Gil Spencer in

Gil Spencer

Login to view DISC.
CTO, Founder at WitnessAI
📍 San Francisco Bay Area, United States

Gil Spencer is the Founder and CTO of WitnessAI, focused on securing enterprise AI. A serial founder of companies like IronKey and Spree3D, he has deep expertise in cybersecurity, generative AI, and cloud services, backed by 14 US patents. He is an alumnus of the University of California, Santa Barbara.

Colleagues and partners describe him as a visionary and enthusiastic leader with a deep understanding of technology. He is known for his ability to build world-class teams and effectively engage with both customers and partners to drive product innovation.

He co-founded the secure hardware company IronKey, which developed encrypted flash drives for government and enterprise use before being acquired by McAfee.

Read the full overview →
Experience
35 Years
Current Role
CTO, Founder
Job Level
Leadership
Location
San Francisco Bay Area, United States
Personality Overview

How Gil shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

Login to view personality overview.
Priorities

Topics Gil cares about

Securing Enterprise AI
His current role as Founder/CTO of WitnessAI is dedicated to providing runtime governance and security for enterprise AI applications and autonomous agents.
Generative AI Applications
At his previous company, Spree3D, he built a platform leveraging generative AI and machine learning to create scalable, photo-realistic video content.
+4 more topics Login to view topics
Career

Work history

5-2023
CTO, Founder
WitnessAI
5-2020 - 4-2023
Founder, Chief Technology Officer, Board Member
Spree3D
6-2019 - 4-2023
Strategic Advisor
EQT Group
2-2019 - 5-2020
Strategy and Technology Advisor
AT&T Cybersecurity
2018 - 10-2018
CTO, Co-Founder, Board Member
Bitoken
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education

Gil has no verified education history

Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

Login to view DISC.

More profiles

Discover additional public profiles from our index.

AJ Ou-Chang
AJ Ou-Chang
Director
Intent Health | B Corp Certified
 Sophie Thompson
Sophie Thompson
Brand Manager - Gastroenterology
AbbVie
 Shamilah Nyiramukwaya
Shamilah Nyiramukwaya
Member Board of Directors
Queer Beyond Belief
 Samantha Ndebele
Samantha Ndebele
Senior Account Director
FleishmanHillard
Unlock the full playbookSee exactly how to sell to Gil. Free, 10 seconds.