Caleb Sima

Caleb Sima is a seasoned cybersecurity expert with over 25 years of experience in the field.1 He is currently the Builder at WhiteRabbit, a cybersecurity venture studio that aims to create new cybersecurity startups.2

Throughout his career, Sima has held several notable positions:

• Chief Security Officer at Robinhood (February 2021 - March 2023)1
• VP of Security at Databricks (January 2019 - February 2021)1
• Managing Vice President of Cyber Security at Capital One (July 2016 - November 2017)1
• CEO & Co-Founder of Bluebox Security (acquired by Lookout) (May 2012 - March 2016)1
• Entrepreneur in Residence (EIR) at Andreessen Horowitz (October 2011 - July 2012)1
• CTO & Founder of SPI Dynamics (acquired by HP) (March 2000 - August 2007)1

Sima is also actively involved in the Cloud Security Alliance, where he chairs the AI Safety Initiative.3 He has been instrumental in developing practical guidelines for securing AI and machine learning systems, drawing from his extensive experience in cybersecurity.3

In addition to his professional work, Sima is involved in various AI and security-related projects. He recently announced the NEBULA:FOG Hackathon in San Francisco, focusing on building AI x Security tools.4 He is also working on several AI projects, including a Resume Tailor based on job descriptions and an AI Doodler.5

Sima's educational background includes executive education at Harvard Business School.1