Startup Atlas

Cisco

Cisco Systems, Inc. ● San Jose, California ● Founded 1984 ● cisco.com ↗

Sandy Lerner Leonard Bosack

UndisclosedTotal funding (tracked)

0Funding rounds

—Last round

Cisco: Founders & Key People

Sandy Lerner

Co-founder

Leonard Bosack

Co-founder

FAQs on Cisco

Who founded Cisco?

Cisco was founded by Sandy Lerner, Leonard Bosack in 1984.

Sources & corrections. Every fact on this page is compiled from cited public sources — follow the "source" links beside each entry. Profile sources: blogs.cisco.com www.cisco.com heritage.cisco.com www.cisco.com · Last verified 21 Oct 2026. · Report a correction