Mr. Sonneborn was elected to The Rippel Foundation Board of Trustees in 2017. He is a partner and wealth advisor at RegentAtlantic, a financial and wealth management company, where he specializes in providing financial advice to nonprofits. 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 on the Investment Committee of Jersey Battered Women’s Service, and the Finance Committee for Preschool Advantage; he was previously a member of the boards of both organizations, and chaired those respective committees as a board member. He was also previously a board member and president for the Estate Planning Council of Northern New Jersey. Deeply committed to his community, 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 State College of Colorado and an MBA in Finance from Drexel University.