Gregg L. Bienstock

Mr. Bienstock is one of the founding Members of Lumesis, Inc. Immediately prior to co-founding Lumesis, he was the Chief Operating Officer and General Counsel of RangeMark Financial Services. Prior to joining RangeMark, he spent more than thirteen years with Ambac Financial Group. For most of his last two years, he was responsible for Strategic Initiatives where he led efforts to evaluate new business opportunities and co-led acquisition and joint venture teams. During his Ambac tenure, Bienstock rose to the level of Senior Vice President, Chief Administrative Officer and Employment Counsel and was responsible for the management of the global Technology, Employment Law, Corporate Governance and Compliance, ERISA, Human Resources, Marketing and Administration functions. Prior to joining Ambac, he served as a Director of Human Resources for Bristol-Myers Squibb. From 1993 through February 1996, he was an associate in the Labor and Employment Law Department of Proskauer Rose, LLP and from 1992 through September 1993 he was an Assistant Deputy General Counsel for the Mayor’s Office of Labor Relations for the City of New York.

Bienstock is a 1991 graduate of Brooklyn Law School. He received his B.S. in Business and Economics from the University of Maryland and is a member of the American Bar Association and the New York State Bar Association.

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