Andrew “Andy” Florance

Founder and CEO

CoStar Group
2021 Rank: 100

Florance has led CoStar Group through remarkable growth since founding the company in 1987. Along the way, CoStar has grown into a publicly traded $35 billion company, which operates the nation’s most popular commercial real estate portal in LoopNet and rental site Apartments.com. The company made its official residential real estate brokerage sales debut in 2020 with the acquisition of Homesnap, operator of the Broker Public Portal and maker of a popular real estate search app.

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