Dennis Sheahan is an entrepreneur primarily involved in wireless telephony including various aspects of licensing, built out, and management. Additionally, he is currently an investor/advisor to a variety of startup initiatives including: Montage Talent (Delafield, WI); 137 ManCan Wine (Cleveland, OH); and Gramercy Place Partners (Glen Rock, NJ). He served as Vice President of Cushman & Wakefield’s Investment Management Group while representing domestic and international institutional clients in the financing, purchasing, and sale of commercial real estate worldwide. He also served as Vice President of the International Real Estate while representing First Chicago Corporation and The First National Bank of Chicago in the acquisition and management of the company’s international real estate portfolio. Dennis is currently active with the following nonprofit organizations: Network 20/20, Cristo Rey New York High School, The Point Foundation, The Center for LGBT, the YMCA of Greater New York, and the Creative Alternatives of New York.