Gregg Bienstock, Esq.
Rangemark

Gregg L. Bienstock is Chief Operating Officer and General Counsel of RangeMark. Prior to joining RangeMark, Mr. Bienstock was responsible for Strategic Initiatives at Ambac Financial Group (Ambac) where he led efforts to evaluate new business opportunities and co-led acquisition and joint venture teams. Prior to that, he served as Senior Vice President, Chief Administrative Officer and Employment Counsel for Ambac. He was responsible for the management of the global Human Resources, Employment Law, ERISA, Corporate Governance and Compliance, Marketing, Technology and Administration functions. Mr. Bienstock joined Ambac in February 1997 as First Vice President, Human Resources and Employment Counsel. Previously, he served as a Director of Human Resources for Bristol-Myers Squibb. From 1993 through February 1996, Mr. Bienstock 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. Mr. Bienstock is a 1991 graduate of Brooklyn Law School. He received his B.S. in Business and Economics from the University of Maryland. Mr. Bienstock is a member of the labor and employment sections of American Bar Association and the New York State Bar Association.

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