Corporate Leadership


Mark Rosenbaum

President, Family Office

Mark Rosenbaum is president of the Cox family office. In this role he manages the accounting, tax planning, compliance, investment management, legal, real estate, administration and concierge services for all generations of the Cox family and their personal entities.

Rosenbaum has several years of experience managing the affairs of a family office. Prior to joining Cox in Oct. 2017, Rosenbaum spent 13 years at Privet Capital, LLC in New York, serving as president and chief investment officer. Privet is a single-family office serving three generations, responsible for business strategy, direction and investment.

Before Privet, Rosenbaum was the senior vice president, chief financial officer and tax director for the Goelet Family Office in New York. During his 11-year career at Goelet, he ran the day-to-day activities of the family office including operating, real estate, financial and tax responsibilities. Prior to his family office roles, he worked as a senior tax manager at Arthur Anderson, LLP.

Rosenbaum holds a Bachelor of Business Administration degree from Pace University.