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Ralph Booth

Founder & Managing Partner

After decades of building and scaling companies of global significance in the media and telecom space, Ralph has spent the past decade after co-founding Fontinalis building the firm and supporting mobility founders on their own entrepreneurial journeys. He has deep operational, strategic, and board experiences to draw on as startups with global ambitions look to bring emerging technologies to market.


Ralph has served as the Chief Executive Officer and Chairman of Booth American Company (BAC), a private investment firm focused on broadband media and telecommunications, and he has built companies in the United States, Europe and South America. He co-founded European Cable Capital Partners with Goldman Sachs, ultimately resulting in Diamond Cable Communications, Plc merging into NTL (AKA: Virgin Media), forming the largest broadband telecommunications provider in the U.K..


Ralph previously served on the boards of three of Fontinalis’ portfolio companies: Parkmobile International (acquired by BMW), Synovia Solutions (acquired by CalAmp), and SQLstream (acquired by Guavus). Additionally, Ralph served for many years on the board of Grupo Clarin, S.A., headquartered in Buenos Aires, Argentina, helping develop their digital Broadband Telecoms strategy, resulting in the formation of Cablevision Holding S.A., the majority shareholder of Telecom Argentina (NYSE: “TEO”), the first Latin American company to build infrastructure for provisioning fully convergent services (Mobile and Fixed Line Telephony, Broadband Cable and Internet). Ralph is a past trustee of The Hotchkiss School, as well as The Henry Ford, a national landmark and American history museum in Dearborn Michigan. He is an active outdoorsman and has been involved with the Valley Floor Preservation initiative in Telluride, Colorado.


Ralph holds an AB degree from Harvard College with a concentration in economics.

Roles at Fontinalis Partners

  • Founder & Managing Partner

    Current role


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