Mr. Sonneborn serves as the Chair of the Investment Committee of the Rippel Board of Trustees. He is a Partner and Wealth Advisor at Corient, a national financial and wealth management company, where he specializes in providing financial advice to nonprofits and advising donors on philanthropic strategies. He has previously held financial management positions with the US Trust Company of New York (Florham Park), Wachovia Bank, Chase Manhattan, SLH Asset Management, and Mellon Bank.

Mr. Sonneborn is currently a Trustee and Treasurer for the Environmental Endowment of New Jersey and serves on the Investment Committee of JBWS. Deeply committed to his community, Mr. Sonneborn has been on the boards of a number of organizations in northern New Jersey and provided pro bono financial counseling at area women’s agencies. Mr. Sonneborn holds a BA in Business from Western Colorado University and an MBA in Finance from Drexel University.