Speyer teamed up with Robert V. Tishman in the formation of the privately held limited partnership, Tishman Speyer Properties, in 1978. Over the years, Tishman Speyer has evolved and realized over 356 projects. In figures, these projects amount to more than 123 million square feet and shape the core of their global real estate portfolio of US$64.8 billion in total value. In addition to his current position at Tishman Speyer, he is a member of the executive committee, a deputy chair of Federal Reserve Bank of New York, a vice chairman to Presbyterian Hospital, as well as a chair at the Museum of Modern Art. Also associated with Siemens AG, Real Estate Roundtable, YankeeNets, Urban Land Institute and New York Presbyterian Foundation, Inc., Jerry Speyer is a self-made billionaire who has made his own way in real estate. With current residence in NYC, he has been married twice and has four children; three with his first wife, Lynn Tishman, and one with his second and current spouse, Katherine Farley.