Vivek Ramachandran

Active Investor

Senior Director of Product Management at Zscaler

San Jose, California

Vivek Ramachandran, Senior Director of Product Management at Zscaler is an active investor based in San Jose, California. This profile covers what Vivek Ramachandran backs, at which stage, and how founders can reach out in 2026.

Mr. Vivek Ramachandran founded & served as Chief Executive Officer at SquareX. He is the Founder and serves as Chief Executive Officer at Pentester Academy. He has a B.Tech. degree in Communications, Engineering and Electronics from Indian Institute of Technology, Guwahati. he is a veteran in the cybersecurity industry with over 20 years of experience in building security products and finding vulnerabilities in security systems. His entrepreneurial experience spans over a decade, during which he has built wireless monitoring solutions, pentesting gadgets, and cloud-powered lab environments. Before SquareX, he founded Pentester Academy, a cloud-based cybersecurity training startup that was successfully acquired. He also discovered the infamous Caffe Latte Attack and has authored multiple books and research papers on offensive cybersecurity techniques. He has spoken at top conferences like DEFCON and BlackHat over the years.

Investor type: Angel
Stages: Early Stage Venture
Invests in: FintechHealthcare & BiotechSaaS & EnterpriseConsumer & RetailDeveloper Tools & DataCybersecurityManufacturing & IndustrialEdTech
Location: San Jose, California
Typical check: $500K
Past investments: 2

Notable investments

Pentester AcademyPingSafe

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Frequently Asked Questions

What does Vivek Ramachandran invest in?

Vivek Ramachandran invests in Fintech, Healthcare & Biotech, SaaS & Enterprise and Consumer & Retail, typically at Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

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