About
Jack Naglieri is the CEO and Founder at Panther and an investor at ConductorOne, runZero, and Fleet Device Management. Jack Naglieri is a professional with a passion for information security, cloud infrastructure, and security software. His exposure in security began as an incident responder for Verisign. After graduation from George Mason University, he moved to the San Francisco Bay area and spent two years at Yahoo as an incident responder. He later transitioned into a security engineering role, with the challenge of deploying security monitoring tools at massive scale. In 2016, he joined Airbnb, and open sourced a framework that enables real-time data analysis and alerting at scale called StreamAlert. He managed a team of engineers further developing detection and response infrastructure at Airbnb. Now, he has left to start his own company, Panther Labs, to help companies stay secure in the cloud-first world.
Position in the VCSift Database
- • 2 investors at Panther are tracked.
- • 6 investors hold the CTO, Founder role in VCSift. Jack Naglieri is one of them.
- • 7,285 investors are based in San Francisco, California, United States.
Data sourced from 410,343 investor profiles. Updated June 2026.
Investment Focus
- Location
- San Francisco, US
Contact Information
Find more investors like Jack
Search Investors