Executive Team

The executive team at EnviroTech has been instrumental in helping the company achieve the leadership position it now holds in the market through their commitment to staying innovative and mindful of our mission.


Roger Knoph, President & Chief Executive Officer

Roger Knoph incorporated EnviroTech Services, Inc in 1989 to fill a need for a more environmentally friendly dust control for road and various agricultural applications.

He later expanded the company’s manufactured product line to include de-icing products. His vision has helped EnviroTech Services become a manufacturer and national distributor of dust control and de-icing products in the United States. The business relationships he has developed through his role on various committees in Weld County and his generous support of local organizations, including the Boys and Girls Club of Weld County, exemplify his understanding of and dedication to the community where he was raised. Roger was recognized in 2006 with the Bravo Award for Entrepreneur of the Year by Northern Colorado Business Report. Currently Roger serves on the Board of Directors for UMB Bank of Colorado and Mountain States Employers Council.

Kevin Whyrick, Chief Financial Officer

Kevin Whyrick joined EnviroTech in 1996 as Controller. With his attention to detail and skill with numbers, his talents lead him to the role of CFO and a leader on many strategy teams.

Kevin offers financial leadership to ESI and continues to hone his skills and update our methods by continuing his education through reputable programs such as Kellogg and Wharton’s School of Business.

Kevin is a graduate of Colorado State University with a Bachelors of Mathematics & Statistics (Actuarial Science). He is a former board president of the Greeley Transitional House and as an accomplished athlete, he enjoys opportunities to mentor young athletes in the community in Track & Field.

Steve Bytnar, Vice President of Research & Quality

Steve Bytnar joined the EnviroTech team in 2002 having worked as a chemist in the fields of deicing and dust control.

In 2008 Steve and EnviroTech were profiled on the front page of the Wall Street Journal for their forward thinking and focus on performance and the environment when developing new deicing products. This focus has resulted in multiple patents in the fields of highway deicing and dust control/stabilization of unimproved gravel roads. Steve leads the Research & Quality and Talent Development teams. He is actively involved in the community on various non-profit and community service boards. Steve graduated from Dakota State University with a Bachelors of Biology for Information Systems and has attended various executive education courses at Harvard.