About TMSG

TMSG is a private real estate company focused on owning distinctive residential properties for the long term.

Cyrus Massoumi

Cyrus Massoumi is an entrepreneur and investor. He founded Zocdoc, where he served as CEO for eight years, and later founded Dr. B and the early-stage venture firm humbition.

Earlier in his career, Cyrus worked at McKinsey & Company. He earned a BS with honors from the Wharton School at the University of Pennsylvania and an MBA from Columbia Business School. His work has been recognized by Fortune, Crain's and Fast Company.

TMSG is his holding company. His approach to it reflects the same long-term orientation he has brought to building and investing in companies: finding things of enduring quality and improving them over time.