About Promptfoo | AI Security Experts

Securing the Future of AI

Promptfoo helps developers and enterprises build secure, reliable AI applications.

About Us

We are security and engineering practitioners who have scaled generative AI products to hundreds of millions of users. We're building the tools that we wished we had when we were on the front lines.

Based in San Mateo, California, we're backed by Andreessen Horowitz and top leaders in the technology and security industries.

Meet the team

Ian Webster

CEO & Co-founder

Ian previously led LLM engineering and developer platform teams at Discord, scaling AI products to 200M users while maintaining rigorous safety, security, and policy standards.

Michael D'Angelo

CTO & Co-founder

Michael brings extensive experience in AI and engineering leadership. As the former VP of Engineering and Head of AI at Smile Identity, he has a track record of scaling ML solutions to serve over 100 million people across hundreds of enterprises.

Steve Klein

Staff Engineer

Steve brings decades of expertise in engineering, product, and cybersecurity. He has led technical and product teams, and conducted pentests at companies like Microsoft, Shopify, Intercom, and PwC. Most recently he was scaling AI products at Discord.

Matthew Bou

Enterprise GTM Lead

Matt's a three-time founding sales team member with a track record of building GTM from scratch. He's helped startups land and grow Fortune 500 accounts, leading to three exits. At Promptfoo, he leads enterprise sales, helping teams accelerate and secure LLMs.

Ben Shipley

Enterprise GTM Lead

Ben brings go-to-market expertise as an early GTM hire at multiple high-growth startups including Windsurf, Applied Intuition, and Amplitude. He specializes in building strategic relationships and helping enterprises implement and secure their AI solutions.

Vanessa Sauter

Principal Solutions Architect

Vanessa led hundreds of security and privacy reviews for customers at Gong. She has also pentested dozens of enterprises and launched hundreds of bug bounty programs for a leading crowdsourced security company and is published in Forbes, Lawfare, and Dark Reading.

Guangshuo Zang

Staff Engineer

Guangshuo brings technical expertise from Meta, ChipperCash, and Smile Identity. Specializes in GenAI systems, product engineering, and building scalable client solutions.

Faizan Minhas

Senior Engineer

Faizan brings a wealth of experience in building products across a range of industries. He has led and contributed to projects at companies like Faire, Intercom, and a range of startups.

Will Holley

Senior Engineer

Will has a passion for building secure and reliable systems. He brings experience leading teams that develop AI for the financial services industry.

Asmi Gulati

AI Red Team

Asmi specializes in prompt hacking and develops educational content for Promptfoo. In her free time she maintains AI Simply Explained.

Tabs Fakier

Founding Developer Advocate

Tabs fronts developer education, community management, and technical writing backed by a wealth of experience in design and software development. Learn more at your own peril.