Mark Hatfield is a Founder and General Partner who helped pioneer a venture model focused exclusively on cybersecurity, positioning him as one of the original specialist VCs in the sector rather than a generalist who also does security. He is frequently cited as an authority on protecting AI and machine learning models themselves from threats like data poisoning and adversarial attacks, which he frames as a distinct and emerging security category beyond traditional infrastructure protection. Mark Hatfield is a Founder and General Partner who helped pioneer a venture model focused exclusively on cybersecurity, positioning him as one of the original specialist VCs in the sector rather than a generalist who also does security. He is frequently cited as an authority on protecting AI and machine learning models themselves from threats like data poisoning and adversarial attacks, which he frames as a distinct and emerging security category beyond traditional infrastructure protection.