Our Team

Arthur G. Altschul, Jr.
Mr. Altschul, Jr. is Chairman and Chief Executive Officer of Overbrook Management Corporation and a representative of Overbrook's founding family. Mr. Altschul has over 25 years of experience in asset management and investment banking, having worked at Goldman, Sachs & Co., the Maximus Fund, LP and Morgan Stanley & Co. He serves on the board of directors of General American Investors, Inc. Mr. Altschul is Vice Chairman and Treasurer of the Board of Directors of The Overbrook Foundation, a trustee of The Neurosciences Research Foundation, and serves as a director of the Child Mind Institute.

Mr. Altschul holds a BS in Computer Science from Columbia University.


Richard Zenker
Mr. Zenker is President of Overbrook Management Corporation. He is responsible for all aspects of the firm's relationships with current and prospective clients. He is also responsible for screening alternative investment opportunities. Mr. Zenker has been with Overbrook since January 2003. Prior to joining the firm, he held senior positions in private wealth management, finance, and taxation at Thomas Weisel Partners, Royal Bank of Canada and Kidder, Peabody & Co.

Mr. Zenker holds a BS in Economics from The Wharton School, University of Pennsylvania, where he graduated Cum Laude, and a MBA from the University of Chicago.


Frank Siciliano
Mr. Sicliano is Chief Operating Officer and Chief Financial Officer. Prior to joining Overbrook, Mr. Siciliano was Controller at Baron Capital Group, Inc. from 2010-2013. Prior to joining Baron Capital in 2010, Mr. Siciliano spent 11 years at EisnerAmper,LLP starting as a staff auditor and ending his tenure as a Senior Manager, after spending 5 years in that role.

Mr. Siciliano holds a BS in Accounting from St. John's University.


Christine Munn
Ms. Munn joined Overbrook Management Corporation as Managing Director in May 2009. She is part of the wealth management team responsible for investments and client account management for the firm's separately managed accounts as well as business development for the firm. Prior to joining Overbrook, Ms. Munn held senior positions at Kidder Peabody, MB Investment Partners and UBS.

Ms. Munn holds a BA in Economics from Barnard College, Columbia University and a MIA from Columbia University.


Lloyd Moskowitz
Mr. Moskowitz is Chief Compliance Officer. Prior to joining Overbrook Management, Mr. Moskowitz served as Tiger Ratan's Chief Operating Officer, Chief Financial Officer and Chief Compliance Officer (2012-2013). Prior to joining Tiger Ratan, he spent 17 years at Granite Capital International Group (1995-2012), starting as Controller and ending his tenure as Chief Financial Officer, after spending 7 years in that role. Earlier in his career, he was the Manager of the fund accounting group at Dubin & Swieca Capital Management (1991-1995) and a Vice President at Lehman Brothers Capital Management (1987-1991).

Mr. Moskowitz holds a BS in Accounting and Information Systems from Queens College, City University of New York.


Brad S. Rosenberg
Mr. Rosenberg is a Managing Director and Director of Research for Overbrook Management Corporation. Prior to joining Overbrook Management, he was a Vice President at Moab Partners, an event-driven, credit and equity hedge fund. Before joining Moab in 2011, Mr. Rosenberg was an equity analyst at MSD Capital, L.P., where he analyzed private and public investments across the energy sectors. From 2003 through 2010, he was a senior analyst at OSS Capital Management where he was a core member of the investment team. From 1999 to 2003, Mr. Rosenberg worked at Bear, Stearns & Co. as an analyst in the high yield research and merchant banking groups.

Mr. Rosenberg holds a BS from The Wharton School, University of Pennsylvania, and graduated Summa Cum Laude with majors in Finance and Accounting.


Richard A. Appelgren
Mr. Appelgren joined Overbrook Management Corporation in 2003 and is the Managing Director of Family Office Services. Mr. Appelgren works closely with Overbrook's wealth management clients and oversees an array of financial and concierge services. Prior to joining Overbrook, Mr. Appelgren worked as Manager of Client Relations at Diaz & Altschul Capital Management, a private investment advisory firm. From 2001-2002, he served as Chief Operating Officer for Silverman Capital Management, a biotech focused hedge fund manager. From 1993 to 2000, Mr. Appelgren was a professional opera singer, performing at major opera houses and concert venues around the world.

Mr. Appelgren holds an Artist Diploma from Yale University, School of Music, a Master of Music with Distinction from New England Conservatory and a Bachelor of Arts from Concordia College, Moorhead, MN.