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Donald Gray is a professor (emeritus) of Civil and Environmental Engineering at the University of Michigan. He received all of his degrees, including a BS degree in Geological Engineering and a PhD degree in Civil Engineering, from the University of California at Berkeley. He specializes in geotechnical engineering with a focus on slope stability, soil erosion, and bio-stabilization of slopes. Professor Gray has taught courses on the engineering properties of soils, soil/site improvement, slope stability, and engineering geology at the University of Michigan as well as professional short courses and workshops. He presented the Ralph Peck Lecture on Bio-Stabilization of Slopes and Stream Banks at the 2015 GeoCongress that was held in San Antonio, Texas. Professor Gray has served as a consultant to the National Park Service, the US Forest Service, the Natural Resources Conservation Service, the US Corps of Engineers, and most recently to the Sacramento Area Flood Control Agency. Professor Gray is the principal author of two leading reference books on slope bio-stabilization. He was also a principal investigator in a three-year project funded by the National Co-operative Highway Research Program on “Environmentally Sensitive Channel and Streambank Protection Measures.”

Ramboll Mr. Kulhanek is a leading practitioner in streambank stabilization, environmental regulatory matters, and water resource management.  He has a B.S. Degree in Civil Engineering from Michigan State University.  He has served as lead engineer on various water resource projects in the Midwest.  He currently is the lead engineer for a large environmental remediation and streambank stabilization project in Michigan.  Mr. Kulhanek has over 10 years of experience in computer modeling software including HEC-RAS, HEC-HMS, EPA SWMM, and DRAINMOD.  He specializes in green infrastructure design, wetland design, and stream restoration design.  His approach is focused on bioengineering, creating aesthetically pleasing natural designs integrated with conventional engineering methods.  Mr. Kulhanek has extensive SESC and MDEQ/USACE permitting experience and NPDES Phase I & II stormwater permit compliance.  Mr. Kulhanek is a member of the American Society of Civil Engineers.  He has earned the designation of certified professional in erosion and sediment control from EnviroCert International, and is both a construction and an industrial certified stormwater operator in Michigan.

Mr. Nuño is a 2008 graduate of the University of Notre Dame with a specialty in structural and environmental engineering, he has established himself as a leader in the field of drainage and erosion and sediment control. In his 18-year career, Mr. Nuño has excelled in the design of land development projects including grading, utility design, stormwater management, and erosion control. Through his experiences as a consulting engineer, he has prepared civil construction plans for such clients as Marriott International, San Diego Gas & Electric (SDG&E), Lennar Homes, Oakwood Homes, and Kiewit Infrastructure West. In the field, Mr. Nuño has provided stormwater inspection services for SDG&E, Caesars Entertainment Group, and public agencies such as the City of Carlsbad, California, and the Town of Elizabeth, CO. He has managed civil projects in 19 different states and prides himself on working with developers, architects, and contractors to bridge the gap between regulatory compliance and constructability in the field. Mr. Nuño is a registered professional engineer in Colorado, Montana, Wyoming, and California; a Certified Floodplain Manager; a certified professional in erosion and sediment control, a Colorado LEED accredited professional, and a qualified SWPPP developer/practitioner. He is an active member in the American Society of Civil Engineers, the Urban Land Institute, and the Colorado Association of Stormwater and Floodplain Managers. 

Water Resources Group Director with NV5Ms. Peterson has over 20 years of experience working in the civil and environmental engineering fields. She has been working at NV5 (previously Nolte Associates) since 2003 and currently manages the Water Resources group in the San Diego office. Her main areas of expertise include working with stormwater permits such as Phase I and Phase II Municipal Stormwater Permits, and the State’s General Construction Permit for Stormwater Discharges, in addition to performing hydrologic and hydraulic modeling to support FEMA’s Floodplain Insurance Program. Ms. Peterson is a licensed civil engineer in the State of California, certified professional in erosion and sediment control (CPESC), a certified floodplain manager (CFM), and a qualified SWPPP developer (QSD). She also is an active member of the California Stormwater Quality Association (CASQA) and currently serves as co-chair on the Training And CASQA Event committees.

Georgia Power Company, AtlantaMr. Babb has 20 years of professional and educational experience in the environmental planning, management, and regulatory professions. He has coordinated work for multiple local governments and agencies, and he has developed and maintained positive relationships with local, state and federal regulatory agencies as well as the diverse stakeholder groups in the region. He has a successful track record of regulatory negotiation and innovative approaches to stormwater management and regulatory compliance. Mr. Babb has obtained Georgia’s Level 1A, 1B, II and trainer certifications for erosion and sedimentation control. He earned his B.S. degree in Biology from Berry College and his M.P.A. degree in Natural Resource Management/Water Policy from Georgia State University. He serves as the construction stormwater subject matter expert for the Georgia Power Company where he is responsible for permitting and oversight compliance of all existing and new generation, transmission, distribution and renewables projects statewide.

President Filtrexx InternationalMG Carrothers is the President of Filtrexx International. Filtrexx promotes the use of compost-based land improvement systems for the treatment of polluted storm water in construction and post-construction projects in the United States and internationally. General Carrothers has been involved in the erosion and sediment control industry since 2003 in a variety of positions providing planning, inspection services, best management practice installation, and green roof and wall installation and services.

CFS EngineersMs. Steinbacher is a professional engineer with over 20 years of experience specializing in stormwater management and erosion and sediment control issues.  She regularly consults for contractors, developers, industry, and municipalities at the state and federal levels.  Ms. Steinbacher has been responsible for the preparation and implementation of numerous stormwater pollution preventionplans (SWPPPs) for projects throughout the United States.  She is a graduate of the University of Kansas.  Ms. Steinbacher is a nationally recognized speaker on stormwater management and erosion control topics.

Profile Products, LLC
Mr. Welch is the technical and business development manager for Profile Products, LLC, of Buffalo Grove, Illinois. Mr. Welch heads up Profile Products Free Soil Testing Program and online design software – Profile Soil Solutions Software (www.ProfilePS3.com). He works closely with specifiers to ensure that all erosion and sediment control plans, involving Profile’s line of products, will have a high rate of success. Mr. Welch holds a bachelor’s of science degree in Conservation and Environmental Sciences from the University of Wisconsin – Milwaukee, with an emphasis on land resources and soil science. During and after college, he worked at an engineering and consulting firm out of Green Bay, Wisconsin. The firm he worked with was heavily involved in projects with erosion control and reclamation of land, many of which were on linear transmission line projects. This experience ultimately led to a smooth transition into the technical department at Profile Products. Mr. Welch is also a member of the International Erosion Control Association (IECA).

Profile Products, LLC
Mr. Zwilling is the Eastern U.S. market development manager for Profile Products, LLC, of Buffalo Grove, Illinois. He has 23 years of experience in erosion and sediment control and turf grass management. Mr. Zwilling has written several technical articles in industry trade publications on hydraulically-applied erosion control systems and applications. He was a prior owner/partner of the Conwed Fibers Corporation.

Mr. Zwilling holds a bachelor of science degree in Marketing Management from Pepperdine University. He is a past board member of the Erosion Control Technology Council (ECTC) and a member of the International Erosion Control Association (IECA), and he is on the Board of Directors of the Mid Atlantic IECA. Mr. Zwilling has been a volunteer instructor at several industry events including the IECA Muddy Water Blues and NCSU Erosion Control Field Days, and at several water resource workshops in the eastern United States and Canada.

Civil/Geotechnical engineer for T/F. MoranMr. Levesque has developed storm water pollution prevention plans (SWPPP) and inspections for various public and private projects in several states and provides other construction support services including construction earthwork, construction vibration monitoring, and pre-construction surveys, as well as development of project operations plans for excavation and dewatering within contaminated areas. Additionally, he is experienced in aspects of geotechnical engineering ranging from site investigations and foundation design and evaluation, to slope and retaining wall design and evaluation.

Profile Products, LLC
Mr. Welch is the technical and business development manager for Profile Products, LLC, of Buffalo Grove, Illinois. Mr. Welch heads up Profile Products Free Soil Testing Program and online design software – Profile Soil Solutions Software (www.ProfilePS3.com). He works closely with specifiers to ensure that all erosion and sediment control plans, involving Profile’s line of products, will have a high rate of success. Mr. Welch holds a bachelor’s of science degree in Conservation and Environmental Sciences from the University of Wisconsin – Milwaukee, with an emphasis on land resources and soil science. During and after college, he worked at an engineering and consulting firm out of Green Bay, Wisconsin. The firm he worked with was heavily involved in projects with erosion control and reclamation of land, many of which were on linear transmission line projects. This experience ultimately led to a smooth transition into the technical department at Profile Products. Mr. Welch is also a member of the International Erosion Control Association (IECA).

Profile Products, LLC
Mr. Zwilling is the Eastern U.S. market development manager for Profile Products, LLC, of Buffalo Grove, Illinois. He has 23 years of experience in erosion and sediment control and turf grass management. Mr. Zwilling has written several technical articles in industry trade publications on hydraulically-applied erosion control systems and applications. He was a prior owner/partner of the Conwed Fibers Corporation.

Mr. Zwilling holds a bachelor of science degree in Marketing Management from Pepperdine University. He is a past board member of the Erosion Control Technology Council (ECTC) and a member of the International Erosion Control Association (IECA), and he is on the Board of Directors of the Mid Atlantic IECA. Mr. Zwilling has been a volunteer instructor at several industry events including the IECA Muddy Water Blues and NCSU Erosion Control Field Days, and at several water resource workshops in the eastern United States and Canada.

Profile Products, LLC
Mr. Welch is the technical and business development manager for Profile Products, LLC, of Buffalo Grove, Illinois. Mr. Welch heads up Profile Products Free Soil Testing Program and online design software – Profile Soil Solutions Software (www.ProfilePS3.com). He works closely with specifiers to ensure that all erosion and sediment control plans, involving Profile’s line of products, will have a high rate of success. Mr. Welch holds a bachelor’s of science degree in Conservation and Environmental Sciences from the University of Wisconsin – Milwaukee, with an emphasis on land resources and soil science. During and after college, he worked at an engineering and consulting firm out of Green Bay, Wisconsin. The firm he worked with was heavily involved in projects with erosion control and reclamation of land, many of which were on linear transmission line projects. This experience ultimately led to a smooth transition into the technical department at Profile Products. Mr. Welch is also a member of the International Erosion Control Association (IECA).

Profile Products, LLC
Mr. Zwilling is the Eastern U.S. market development manager for Profile Products, LLC, of Buffalo Grove, Illinois. He has 23 years of experience in erosion and sediment control and turf grass management. Mr. Zwilling has written several technical articles in industry trade publications on hydraulically-applied erosion control systems and applications. He was a prior owner/partner of the Conwed Fibers Corporation.

Mr. Zwilling holds a bachelor of science degree in Marketing Management from Pepperdine University. He is a past board member of the Erosion Control Technology Council (ECTC) and a member of the International Erosion Control Association (IECA), and he is on the Board of Directors of the Mid Atlantic IECA. Mr. Zwilling has been a volunteer instructor at several industry events including the IECA Muddy Water Blues and NCSU Erosion Control Field Days, and at several water resource workshops in the eastern United States and Canada.

Mr. Flack has earned his designations, among select thousands in the world, as a Certified Professional in Erosion & Sediment Controls (CPESC) as well as his designation as a Certified Erosion, Sediment and Storm Water Inspector (CESSWI), lending his experience and training to his customers to consult them in all their stormwater needs. He has also earned his status as a Qualified Compliance Inspector of Stormwater (QCIS) and as a Qualified Preparer of Storm Water Pollution Prevention Plans (QPSWPPP.) He also earned the Certified Erosion and Sediment Control Lead (CESCL), which is a 17.5-hour certificate program as required by Washington State for all construction stormwater management. He is a subject matter expert and lead instructor for StormwaterONE, which has established itself as the leader in stormwater management training and credentialing, the school’s mission is to provide their students with the most comprehensive and up to date training of individual stormwater permits, online or in-person.

Brad has been invited to speak in-person on storm water and erosion control issues in many locations, including California, Texas, Tennessee, Louisiana, Wyoming, Oregon, Colorado, Ohio and New Mexico, as well as internationally in Antigua, Guatemala, and in San Jose, Costa Rica. Furthermore, he has provided virtual online training for a wide variety of  organizations across the country, including the Army Corps of Engineers, Maryland Stadium Authority, and more.

Additionally, he served as president and administrative vice president for the South-Central Chapter of the International Erosion Control Association. Furthermore, he directed the IECA Region 1 Education Committee: Stormwater Management Track as co-chair, which encompasses North America, South America and Europe. Brad also sat as the Region 6 Chapter President for EnviroCert International (ECI) and was a member of the Policies and Procedures Committee for ECI. He has served as the Region 7 representative for the CPESC, Inc., group as well as the technical vice-chair for the Council. He has been an IECA Mentor and served as a TCEQ EnviroMentor.

Brad has been involved with Stormwater Quality Management since 2004 where he learned about permitting, turf establishment, erosion control and detention pond maintenance and has continued to be a student of the industry throughout his career. His attention to detail and depth of knowledge about structural control devices, vegetative stabilization and best management practices are a valuable asset to his clients and students.

His wife is his high school sweetheart, and they have been married for over 20 years and have three sons. Brad has also actively served at his church and has ventured on over a dozen mission trips, from drilling for water in rural villages in Honduras to assisting in hurricane recovery efforts in Puerto Rico. Brad was the Director of Hands and Feet Honduras/Puerto Rico, a 501(c)3 organization for over eight years.

Mr. Ntuk is a civil engineer with nearly 20 years of experience in the land development industry. He is the managing principal for LAND|Engineering, PLC, a civil engineering design firm focused on site planning, green building consulting, and construction management. Mr. Ntuk received his B.S. degree in Civil Environmental and Infrastructure Engineering from George Mason University. He spends 20 percent of his time as an executive, 30 percent as a designer, 40 percent as a geek, and 30 percent solving complex math problems.

Profile Products, LLC
Mr. Welch is the technical and business development manager for Profile Products, LLC, of Buffalo Grove, Illinois. Mr. Welch heads up Profile Products Free Soil Testing Program and online design software – Profile Soil Solutions Software (www.ProfilePS3.com). He works closely with specifiers to ensure that all erosion and sediment control plans, involving Profile’s line of products, will have a high rate of success. Mr. Welch holds a bachelor’s of science degree in Conservation and Environmental Sciences from the University of Wisconsin – Milwaukee, with an emphasis on land resources and soil science. During and after college, he worked at an engineering and consulting firm out of Green Bay, Wisconsin. The firm he worked with was heavily involved in projects with erosion control and reclamation of land, many of which were on linear transmission line projects. This experience ultimately led to a smooth transition into the technical department at Profile Products. Mr. Welch is also a member of the International Erosion Control Association (IECA).

Profile Products, LLC
Mr. Zwilling is the Eastern U.S. market development manager for Profile Products, LLC, of Buffalo Grove, Illinois. He has 23 years of experience in erosion and sediment control and turf grass management. Mr. Zwilling has written several technical articles in industry trade publications on hydraulically-applied erosion control systems and applications. He was a prior owner/partner of the Conwed Fibers Corporation.

Mr. Zwilling holds a bachelor of science degree in Marketing Management from Pepperdine University. He is a past board member of the Erosion Control Technology Council (ECTC) and a member of the International Erosion Control Association (IECA), and he is on the Board of Directors of the Mid Atlantic IECA. Mr. Zwilling has been a volunteer instructor at several industry events including the IECA Muddy Water Blues and NCSU Erosion Control Field Days, and at several water resource workshops in the eastern United States and Canada.

CFS EngineersMs. Steinbacher is a professional engineer with over 20 years of experience specializing in stormwater management and erosion and sediment control issues.  She regularly consults for contractors, developers, industry, and municipalities at the state and federal levels.  Ms. Steinbacher has been responsible for the preparation and implementation of numerous stormwater pollution preventionplans (SWPPPs) for projects throughout the United States.  She is a graduate of the University of Kansas.  Ms. Steinbacher is a nationally recognized speaker on stormwater management and erosion control topics.

Mr. Shoots Veis is an experienced and engaging public speaker, having given hundreds of public presentations at professional conferences, college courses, public meetings, TEDx and service clubs.  He served a five-year term on the Billings, Montana city council, where he took an interest in getting presenters to engage with the audience.  Mr. Veis spent several years appearing as an actor in dozens of productions at Billings Studio Theatre and hosts the Your County, Your City and Your Schools programs on Community 7 Television.

Georgia Power Company, AtlantaMr. Babb has 20 years of professional and educational experience in the environmental planning, management, and regulatory professions. He has coordinated work for multiple local governments and agencies, and he has developed and maintained positive relationships with local, state and federal regulatory agencies as well as the diverse stakeholder groups in the region. He has a successful track record of regulatory negotiation and innovative approaches to stormwater management and regulatory compliance. Mr. Babb has obtained Georgia’s Level 1A, 1B, II and trainer certifications for erosion and sedimentation control. He earned his B.S. degree in Biology from Berry College and his M.P.A. degree in Natural Resource Management/Water Policy from Georgia State University. He serves as the construction stormwater subject matter expert for the Georgia Power Company where he is responsible for permitting and oversight compliance of all existing and new generation, transmission, distribution and renewables projects statewide.

Mr. Flack has earned his designations, among select thousands in the world, as a Certified Professional in Erosion & Sediment Controls (CPESC) as well as his designation as a Certified Erosion, Sediment and Storm Water Inspector (CESSWI), lending his experience and training to his customers to consult them in all their stormwater needs. He has also earned his status as a Qualified Compliance Inspector of Stormwater (QCIS) and as a Qualified Preparer of Storm Water Pollution Prevention Plans (QPSWPPP.) He also earned the Certified Erosion and Sediment Control Lead (CESCL), which is a 17.5-hour certificate program as required by Washington State for all construction stormwater management. He is a subject matter expert and lead instructor for StormwaterONE, which has established itself as the leader in stormwater management training and credentialing, the school’s mission is to provide their students with the most comprehensive and up to date training of individual stormwater permits, online or in-person.

Brad has been invited to speak in-person on storm water and erosion control issues in many locations, including California, Texas, Tennessee, Louisiana, Wyoming, Oregon, Colorado, Ohio and New Mexico, as well as internationally in Antigua, Guatemala, and in San Jose, Costa Rica. Furthermore, he has provided virtual online training for a wide variety of  organizations across the country, including the Army Corps of Engineers, Maryland Stadium Authority, and more.

Additionally, he served as president and administrative vice president for the South-Central Chapter of the International Erosion Control Association. Furthermore, he directed the IECA Region 1 Education Committee: Stormwater Management Track as co-chair, which encompasses North America, South America and Europe. Brad also sat as the Region 6 Chapter President for EnviroCert International (ECI) and was a member of the Policies and Procedures Committee for ECI. He has served as the Region 7 representative for the CPESC, Inc., group as well as the technical vice-chair for the Council. He has been an IECA Mentor and served as a TCEQ EnviroMentor.

Brad has been involved with Stormwater Quality Management since 2004 where he learned about permitting, turf establishment, erosion control and detention pond maintenance and has continued to be a student of the industry throughout his career. His attention to detail and depth of knowledge about structural control devices, vegetative stabilization and best management practices are a valuable asset to his clients and students.

His wife is his high school sweetheart, and they have been married for over 20 years and have three sons. Brad has also actively served at his church and has ventured on over a dozen mission trips, from drilling for water in rural villages in Honduras to assisting in hurricane recovery efforts in Puerto Rico. Brad was the Director of Hands and Feet Honduras/Puerto Rico, a 501(c)3 organization for over eight years.

Owner at Erosion Tech, LLCMr. Carpenter has created, developed, and patented two paradigm changing products in the erosion and sediment control industry (and another product in the horticulture industry). In those actions, he has encountered numerous obstacles and marketing scenarios, sold several businesses, and worked through the legal system on patent infringements. Mr. Carpenter joined the IECA in 1996, and achieved his CPESC certification in 1998. He has worked in the Great Rivers Chapter of the IECA since 1996, and served on their board in the late 90’s. He was also on the Board of Directors for the International Erosion Control Association from 2003 to 2005. Mr. Carpenter is the author of the manual Silt Fence That Works which has been utilized in training all over the country. He presented an educational CD on silt fence effectiveness, and is a speaker on E&SC issues at training functions. Mr. Carpenter is past-owner of Carpenter Erosion Control, a full service erosion sediment control contractor in central Iowa, and Stormwater Consultants, a full-service inspection business. He is currently president of Erosion Tech LLC,, where he developed the new product, ScourStop – a green replacement for rock rip rap.

President at Flo-Water, LLCMr. Coppola has 16+ years of experience in the industry of sediment and erosion control. Mr. Coppola is a certified professional of erosion and sediment control (CPESC). He has been the owner and an inventor for Flo-Water Sediment Control Products for the past three years. Mr. Coppola has five years of experience as director of national development for ScourStop, and four and a half years of experience as corporate engineering division manager at Stetson Building Products. Other accomplishments include giving presentations for International Erosion Control Association (IECA), StormCon, American Public Works Association (APWA), and Corydon Group.

Mr. Flack has earned his designations, among select thousands in the world, as a Certified Professional in Erosion & Sediment Controls (CPESC) as well as his designation as a Certified Erosion, Sediment and Storm Water Inspector (CESSWI), lending his experience and training to his customers to consult them in all their stormwater needs. He has also earned his status as a Qualified Compliance Inspector of Stormwater (QCIS) and as a Qualified Preparer of Storm Water Pollution Prevention Plans (QPSWPPP.) He also earned the Certified Erosion and Sediment Control Lead (CESCL), which is a 17.5-hour certificate program as required by Washington State for all construction stormwater management. He is a subject matter expert and lead instructor for StormwaterONE, which has established itself as the leader in stormwater management training and credentialing, the school’s mission is to provide their students with the most comprehensive and up to date training of individual stormwater permits, online or in-person.

Brad has been invited to speak in-person on storm water and erosion control issues in many locations, including California, Texas, Tennessee, Louisiana, Wyoming, Oregon, Colorado, Ohio and New Mexico, as well as internationally in Antigua, Guatemala, and in San Jose, Costa Rica. Furthermore, he has provided virtual online training for a wide variety of  organizations across the country, including the Army Corps of Engineers, Maryland Stadium Authority, and more.

Additionally, he served as president and administrative vice president for the South-Central Chapter of the International Erosion Control Association. Furthermore, he directed the IECA Region 1 Education Committee: Stormwater Management Track as co-chair, which encompasses North America, South America and Europe. Brad also sat as the Region 6 Chapter President for EnviroCert International (ECI) and was a member of the Policies and Procedures Committee for ECI. He has served as the Region 7 representative for the CPESC, Inc., group as well as the technical vice-chair for the Council. He has been an IECA Mentor and served as a TCEQ EnviroMentor.

Brad has been involved with Stormwater Quality Management since 2004 where he learned about permitting, turf establishment, erosion control and detention pond maintenance and has continued to be a student of the industry throughout his career. His attention to detail and depth of knowledge about structural control devices, vegetative stabilization and best management practices are a valuable asset to his clients and students.

His wife is his high school sweetheart, and they have been married for over 20 years and have three sons. Brad has also actively served at his church and has ventured on over a dozen mission trips, from drilling for water in rural villages in Honduras to assisting in hurricane recovery efforts in Puerto Rico. Brad was the Director of Hands and Feet Honduras/Puerto Rico, a 501(c)3 organization for over eight years.