Leadership

About

Leadership

John Stevens
Chief Executive Officer

Mr. Stevens was named Chief Executive Officer in April 2021. Before taking his current position, he was Chief Operations Officer, beginning in August 2017. Prior to joining SES, Mr. Stevens was Senior Vice President of Technical Services and Regional Vice President at Clean Harbors Environmental Services from November 1991 to August 2017. He spent four years in the military as a captain in the U.S. Army. Mr. Stevens holds a Bachelor of Science degree from Marshall University.

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Jeff Sweren
Chief Financial Officer

Mr. Sweren joined SES as Chief Financial Officer in August 2019. Prior to SES, Mr. Sweren spent 29 years in the environmental services industry in a variety of senior financial positions. Most recently, he was Controller at Liquid Environmental Solutions. From 2011 to 2016, Mr. Sweren held roles of increasing responsibility, including Chief Financial Officer of SWS Environmental Services. Prior, he served as Vice President of Finance and Group Controller at Clean Harbors Environmental Services. Mr. Sweren holds a Bachelor of Economics degree from Saint Mary’s College of Maryland.

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Blake Brown II
Vice President of Industrial Services

Mr. Brown was named Vice President of Industrial Services in April 2021. Before taking his current position, he was Regional Operations Manager from 2019 to 2021. Prior to joining SES, Mr. Brown spent nearly 16 years at HydroChemPSC, in roles of increasing responsibility, including Location Manager and Area Manager. Mr. Brown holds Bachelor's Degrees in Business Administration and Management from Malone University and in Business Administration, Management and Operations from Miami University.

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Jim Kuehn
Vice President of Sales and Marketing

Mr. Kuehn joined SES as Vice President of Sales and Marketing in June 2022. Mr. Kuehn has more than 35 years of experience in the environmental and industrial services industries. Most recently, he was Vice President Operations of the Midwest region for ACV Enviro. Throughout his career, Mr. Kuehn has held roles with increasing responsibly in such noted companies as National Response Corporation and Hydrochem Corporation. Mr. Kuehn holds a Bachelor of Science Degree in water science with a concentration in chemistry and biology from Northern Michigan University. He also holds a Masters of Business Administration from Detroit College of Business.

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Mike James
Vice President of Environmental Services

Mr. James was named Vice President of Environmental Services in April 2021. Before taking his current position, he was Waste and Recycling Division Manager from November 2019 to April 2021. Prior to joining SES, Mr. James spent nearly 16 years in sales at Clean Harbors Environmental Services. Mr. James holds a Bachelor's Degree in Environmental Studies from the University of Evansville.

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Candy Craig
Director of Human Resources

Ms. Craig joined SES in March 2014 as Director of Human Resources. Previously, she spent more than 18 years at A&P Technology, Inc. in a variety of human resources roles that included Vice President of Team Development, Vice President of Human Resources, and Human Resources Manager and Safety Coordinator. Ms. Craig holds an Organizational Leadership degree from Northern Kentucky University.

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Floyd Keller, CSP, CIHM
Director of Environmental, Health and Safety

Mr. Keller joined SES in July 2018 as Director of Environmental, Health and Safety. Prior to joining SES, he spent more than 18 years at Clean Harbors Environmental Services as Vice President of Health and Safety, Director of Health and Safety, and Regional Health and Safety Manager. Mr. Keller began his career in safety as a Safety, Security and Environmental Technician for the Toyota Technical Center. Mr. Keller is a Certified Safety Professional (CSP) and Certified Industrial Hygiene Manager (CIHM) and holds a Bachelor of Arts degree in Chemistry from DePauw University.

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