Cobasys The First Name in Advanced Energy Storage System Solutions
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Leadership
The Cobasys leadership team is committed to our Vision Statement, which is, to be recognized by our employees, customers, shareholders, partners and community as the world's most admired energy storage solutions company.

Executive Management Team
The Management team collectively has over 200 years of experience guiding the company to meet the vision, goals, values and challenges.

General Manager, Planning
and Business Strategy
Tom S. Neslage
Thomas Neslage
President and Chief Executive Officer
Ed Cozat
Ed Cozat
Director of Engineering Services
Matt Jonas
Matt Jonas
General Manager of Manufacturing
Jim Greiwe
Jim Greiwe
Vice President of Manufacturing
Joe Crocenzi
Joe Crocenzi
Vice President of Finance
Debi Davies
Debi Davies-Martin
Acting Director, Human Resources

 

Thomas Neslage, President and Chief Executive Officer
Mr. Neslage has over thirty years experience in various leadership and executive positions in the energy industry, with an emphasis on commercialization of new technology. In 1994, he became the first Managing Director and CEO of Hydro-Texaco, a Scandinavian joint venture company between Texaco and Norsk Hydro. Neslage was tasked to form Texaco Global Products in 1995 and was appointed its President in 1996. In 1999, Neslage was named to Texaco's Executive Operating Committee and given the additional responsibilities of Vice President of Marketing for Texaco Inc. and served as Chairman of the Board of Directors for Fuel and Marine Marketing Inc. In 2001, he was named a Senior Vice President of ECD and became the President of Cobasys in 2002. Tom was appointed Chief Executive Officer in January, 2003.

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Ed Cozat, Director of Engineering Services
Mr. Cozat began his career in 1990 with Detroit Diesel Corporation where he progressed through increasing roles of responsibility in manufacturing and quality. Mr. Cozat was Director of Quality Management at Detroit Diesel Corporation before joining Cobasys in late 2006. In February of 2008, Mr. Cozat was promoted to his current position of Director of Engineering Services. His responsibilities include product development, quality management and laboratory services. Mr. Cozat has a Bachelor’s Degree in Engineering from Michigan State University and a Masters of Business Administration from Wayne State University.

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Matt Jonas, General Manager of Manufacturing
Mr. Jonas is acting Plant Manager of the Springboro, Ohio production facility. Matt joined Delco Remy in 1988, and held various positions in Product and Systems Engineering in Indiana and Michigan. The positions included assignments at General Motors’ Cadillac and Midsize Car Divisions. He joined GM Ovonic, the predecessor to Cobasys, in 1995. In 1996, he was named Process Engineering Manager, and two years later transferred from Michigan for the start-up of the Kettering, Ohio production facility. In 2001, he was named Director of Production Engineering and he planned and started-up the Springboro, Ohio production facility. In 2004, he was promoted to General Manager of Manufacturing. Matt has a Bachelor of Science degree in Mechanical Engineering and a Masters of Science degree in Engineering Management.

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Jim Greiwe, Vice President of Manufacturing
Mr. Greiwe is Vice President of Manufacturing and the Plant Manager of the Springboro, Ohio production facility. Greiwe held various production and quality control positions within GM manufacturing operations before being named Superintendent of Manufacturing in 1981. In 1994, he was named Operations Manager for GM Ovonic in Troy, Michigan. In 2000, he was named President of GM Ovonic, a position he held until July, 2001, when he became Vice President of Product Development for the company. In July, 2003, he was named Vice President of Manufacturing which is located in Springboro, Ohio.

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Joe Crocenzi, Vice President of Finance
From 1991 to 2002, Mr. Crocenzi performed independent audit, tax and consulting services for several international accounting firms including PricewaterhouseCoopers and Deloitte. In 2002, Crocenzi was appointed the Internal Audit Director for Energy Conversion Devices. Crocenzi joined Cobasys in October, 2004 as its Comptroller to direct its finance and tax activities. He is a Certified Public Accountant and Certified Fraud Examiner. He was elected to his current position of Vice President of Finance in 2005.

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Debi Davies-Martin, Acting Director, Human Resources
Ms. Davies-Martin joined Cobasys in 2001 as Human Resources Manager. Prior to joining Cobasys, Davies-Martin held positions as an In-Client Services Manager, Recruiting Manager and was a Project Manager for contract labor relations at Ford Motor Company.

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