Stephen Cook

Stephen brings extensive international leadership experience in strategic procurement, global supply chain management, manufacturing partnerships and commercial development, including senior responsibilities at Diversey and Solenis.

Stephen holds a Bachelor of Science in Mechanical Engineering from the Milwaukee School of Engineering and Business Administration, with a concentration in Marketing, from the University of Southern California’s Marshall School of Business.

Having founded and built two previous businesses, he combines entrepreneurial experience with engineering and commercial expertise to bring SEKO-manufactured water-driven proportional dosing technology to customers across the United States.

Mark C. Geisler

Mark brings more than 30 years of executive experience across chemical manufacturing, global supply chains, operations and business development. At Diversey, he held vice president roles in global supply chain–customer development and North American supply chain leadership.

His background includes chemical manufacturing operations, strategic consulting and business growth. Mark holds an MBA from the University of Chicago Booth School of Business and a bachelor's degree in Mechanical Engineering from Iowa State University.

He contributes deep industrial expertise and practical knowledge of chemical handling and manufacturing operations to Hydrakos USA.

Edward (Ed) Holloway

Ed brings extensive experience in customer relationships, negotiation and commercial business development, including a background in real estate and residential property operations.

As Vice President of Sales, Ed leads Hydrakos USA's customer-development efforts, helping prospective customers explore water-driven dosing applications and connect with appropriate product information and purchasing support.