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Five Questions with George De Marco, managing partner, DECO Ventures LLC

September 2, 2026Cory Harris, Editor

SAN DIEGO—George De Marco has spent more than 40 years helping shape the security industry, first as founder of Greater Alarm and today as managing partner of DECO Ventures LLC and chairman of ESX. Having built a successful alarm company from the ground up and now advising and investing in the next generation of businesses, De Marco has a front-row seat to the technological and market forces redefining security. Here, he discusses entrepreneurship, a memorable game against Magic Johnson and...

DECO Ventures, Electronic Security Expo (ESX), George De Marco, Magic Johnson