ChemDAQ Leadership Team

David Hilliker

President & CEO

Kevin Vaughn

CFO

Mark Schroer

VP Sales/ Marketing &
Business Development

Richard Warburton

CTO & General Council

David Hilliker
David Hilliker is President and CEO of ChemDAQ, the leading manufacturer of gas detection instruments and monitoring solutions for chemical biocides used in Healthcare Infection Control and Food and Beverage Processing and Packaging. Mr. Hilliker is also a founding member of the Aseptic and Antimicrobial Processing and Packaging Association (AAPPA).

AAPPA brings together food and beverage processors, chemical and equipment suppliers, and other stakeholders to address communication, training, and safety education needs and to develop best practices. AAPPA is also engaged in state, federal, and international regulatory developments impacting the food and beverage industry and advocates for sound scientific research on which to base safety standards and thresholds.

Kevin Vaughn




Mark Schroer

Mark is the Vice President of Business Development at ChemDAQ and oversees their sales, marketing and international business operations.  Prior to joining ChemDAQ, Mark was employed by 3M Company and worked in their Health Care business group for 35 years. He has held a variety of positions during his tenure with 3M including National Sales Manager for the Orthopedic Division, Vice President Business Development for the Infection Prevention Division, Asia-Pacific Business Director and Business Development Director 3M China while living in Shanghai, China.  Mark served as a board member and past president of the AORN Foundation, was a former member of the Christus Health advisory board, and a past member of both the National Patient Safety Foundation and the AAOS advisory council.


Richard Warburton

Richard Warburton received his Ph.D. in Chemistry from the University of Southampton (UK), with a focus on electrochemical gas sensors; and his J.D. from Duquesne University’s School of Law; and he is a member of the Pennsylvania Bar. He has over 30 years’ experience in the design and manufacture of gas sensors and gas monitors and has been with ChemDAQ since 2002. He is the inventor or co-inventor of over 20 patents related to gas sensors and gas detection and has written many articles related to gas detection and occupational safety. He has been actively involved in standards development for 15 years with the CSA, AAMI and ISA, with an emphasis on work-place safety bringing both a technical and legal perspective.