About Us

Executive Team

Michael L. Asmussen
President and CEO

Prior to joining Clean Diesel Technologies in September 2008, from 1996 to 2007, Mr. Asmussen held a variety of positions at Eaton Corporation, a diversified power management company with 2007 sales of $13 billion. Between 2005 and 2007, Mr. Asmussen managed the Mirror Controls Division sales and marketing team where his primary focus was driving global growth strategies, and during this time he helped significantly increase sales. In 2007, he led the divestiture of the Mirror Controls Division and became Vice President of Sales and Marketing for Mirror Controls International, the world's largest automotive mirror actuator manufacturer. In addition to assisting in the establishment of new organizational structures, his broad scope of responsibilities included P&L accountability, strategic market planning, and leadership of the global sales and marketing organization. From 2002 to 2005, Mr. Asmussen was Strategy Manager for the Specialty Controls Division of Eaton Automotive, a global leader in critical automotive components to reduce emissions and fuel consumption, and improve vehicle stability and performance. From 2000 to 2002, he served as Customer Manager for all North American sales initiatives with Ford Motor Company. Mr. Asmussen holds M.B.A. and Bachelor of Science degrees from Michigan State University.

Tim Rogers
Executive Vice President – International

Prior to joining Clean Diesel in December 2003, Tim was Director of Marketing and Sales for ADAS Consulting Ltd, a former UK government agency, focusing on the living and growing environment and providing lead and policy consultancy to the UK government and industry. Previously, Tim worked 9 years for Associated Octel Ltd as Global Business Manager for their Specialty Fuel additives business. He later formed Octel's Emission Technology business unit developing new fuel-borne catalysts and setting up Adastra Ltd, a retrofit emission control company. Tim has been in the petrochemicals business for nearly 20 years. In that time he has worked for Exxon Chemicals and Ethyl Petroleum where he held roles in R&D, international sales and business management. Tim has a grounding in mechanical engineering, studying at the Brooks University in Oxford.

Ann Ruple
Chief Financial Officer and Vice President - Administration

Ann was most recently Director of Financial Planning and Analysis of NCT Group, Inc., a U.S. publicly traded, high-tech company with a strong technology base, a position she held for more than eight years. Prior to NCT Group, Ann held various senior management positions in both private and publicly traded U.S. companies and brings extensive technology, merger and acquisition, and small cap experience to Clean Diesel. Ann is a CPA and passed the Uniform Certified Public Accountant Examination as a first-time candidate. She holds an MBA degree and her career foundation was at PriceWaterhouse, a Big Four accounting firm.

Charles W. Grinnell -
Vice President, General Counsel and Corporate Secretary

A general corporate legal practitioner with concentrations in securities law, mergers and acquisitions and taxation,  Charles has been a Director and Vice President, General Counsel and Corporate Secretary of Clean Diesel since its inception in 1994. He has held senior legal positions with several other public companies in the oil and gas, engineered products, automotive parts and cleantech fields. A member of the state and federal bars of New York and Connecticut, Charles holds a JD degree from Columbia University School of law and an LLM (Tax) degree from the University of Bridgeport School of Law. He entered practice initially with the New York City law firm of Dewey, Ballantine, Bushby, Palmer & Wood.