Glenn is a founding partner of The Lionstone Group. He serves as an Investment Committee member and as Chief Investment Officer for the firm as well as the principal responsible for capital markets strategy.

Prior to forming Lionstone, Glenn was a senior officer at Hines, ultimately serving as the firm's Chief Investment Officer. With over 20 years of experience in commercial real estate, Glenn has developed a deep knowledge of the top real estate markets in the United States, as well as the major real estate markets in Europe and the emerging markets. At Hines, he was directly involved in acquiring and financing over $2 billion of real estate and financing an additional $2 billion in new development worldwide.

Glenn is a graduate of Georgetown University and received an MBA from New York University.