Shan Kulkarni is Co-Founder and CEO of Nullify, the first AI workforce for product security that autonomously detects, triages, and remediates vulnerabilities. Based in San Francisco, Shan is pioneering autonomous product security engineering to address the critical shortage of security talent.

Shan earned a Bachelor of Engineering (Honours) in Computer Software Engineering from UNSW in 2022 and previously worked as a Software Engineer at Cisco and Cloud Security Engineer at CMD Solutions Australia. He also served as a Casual Lecturer at UNSW Computer Science and Engineering, teaching DevSecOps and cloud security courses.

Shan co-founded Nullify in December 2022 with Tim Thacker (CTO) and Tony Mao (COO), whom he met at UNSW. He led cloud operations at UNSW Redback Racing and directed the UNSW Cryptocurrency and Blockchain Society during his university years.

Nullify raised $12.5 million in seed funding in February 2026, bringing total capital to $16.9 million from investors including SYN Ventures, Two Sigma Ventures, Root Ventures, Black Nova Venture Capital, and OIF Ventures. The company employs 29 people with offices in San Francisco and Sydney.

Nullify's AI employees have saved over 48,000 hours of manual security work, auto-resolved over 450 vulnerabilities, and achieved a nearly 90 percent merge-ready rate for vulnerability fixes across dozens of customers. The platform addresses the critical gap where software engineers outnumber security engineers 100 to 1 in enterprises.