Deirdre O'Callaghan
Chief Counsel

Deirdre O'Callaghan is the Chief Counsel of the Center for Internet Security. In that role she is responsible for the legal overview of the organization's activities, contracts and agreements and administrative matters. She is a member of the Executive team and supports the CEO in the organization's strategic and business planning efforts.

Ms. O'Callaghan has practiced law for over 25 years, and has extensive experience both as in-house counsel for TerraMesa Development Group, Centex Homes and American Skiing Company, and as a partner in the Portland, Maine law firm Preti Flaherty. Prior to joining CIS, she served as General Counsel of Gas Turbine Efficiency, Ltd., an international manufacturing and technology company in Troy, New York.

She is a graduate of Columbia University School of Law and the University of Maine and lives in Castleton on Hudson, New York.