
Executive Chairman and Co-Founder
Alex Gellman is the Chief Executive Officer and Co-Founder of Vertical Bridge, the largest private owner and operator of wireless communications infrastructure in the US. As CEO, he is responsible for developing and leading the firm’s overall strategy and growth. Mr. Gellman is also a co-founder of DigitalBridge (NYSE: DBRG), a leading global digital infrastructure REIT that owns, operates and invests across the full spectrum of digital infrastructure and real estate.
Prior to co-founding Vertical Bridge, Mr. Gellman was President and COO of Global Tower Partners. Mr. Gellman was instrumental in growing the company into what was the largest privately-held tower company in the United States at the time of its sale to American Tower Corporation in 2013 for over $4.8 billion. Previously, Mr. Gellman served as President and COO of Sonitrol Corporation, a leading provider of verified electronic security in North America, which was sold to Stanley Works (NYSE: SWK) in 2008.
Earlier in his career, Mr. Gellman co-founded Apex Site Management, the largest thirdparty manager of wireless and wireline communications sites in the U.S., which merged with SpectraSite Communications in 2000 to create the largest telecommunications site portfolio in the country. Mr. Gellman also co-founded and was VP of Development of Horizon Cellular Group, a McCaw Cellular-backed company that acquired, developed and operated rural cellular franchises in the eastern United States.
Mr. Gellman received an MBA in Finance and Accounting from The Wharton School of Business and a Bachelor of Science in Biology from Tufts University. He currently sits on the Board of Directors of the Wireless Infrastructure Association, serving as Vice Chairman, and is also on the Board of Directors of EdgePoint Infrastructure and Highline do Brasil.Chief Executive Officer and Co-Founder