# Jonathan DiVincenzo

> Jonathan DiVincenzo is the CEO and Co-Founder of Impart Security, a San Francisco-based AI-native runtime protection platform for applications, APIs, and LLM workloads. A veteran of Signal Sciences - where he served as VP of Product through the company's $825M acquisition by Fastly - DiVincenzo founded Impart in 2021 alongside Marc Harrison and Brian Joe to tackle what they saw as the broken 'last mile' of application security. His platform has deployed over 2,400 security rules across enterprise customers, cutting deployment time from 18 days to 45 minutes. In June 2025, Impart raised a $12M Series A led by Madrona Ventures.

- **Role:** CEO & Co-Founder at Impart Security
- **Organizations:** Impart Security, Signal Sciences, Verizon Digital Media Services, Edgecast, The Wall Street Journal, 21st Century Fox, Resource/Ammirati (IBM)
- **Nationality:** American
- **Education:** Executive Master of Science in Management, Columbia University
- **Known for:** Co-founded Impart Security, raising $27.5M in total funding including a $12M Series A in 2025, VP of Product at Signal Sciences through its $825M acquisition by Fastly in 2020, Helped build four WAF (Web Application Firewall) products across multiple companies

## Career timeline

- **2006-2008** — Senior Developer at Resource/Ammirati, An IBM Company
- **2008-2010** — Senior Application Developer at 21st Century Fox
- **2010-2011** — Lead Developer at The Wall Street Journal
- **2011-2014** — Senior Product Manager at Edgecast Networks
- **2014-2016** — Product roles at Verizon Digital Media Services (post-Edgecast acquisition)
- **2016-2020** — Vice President of Product Management at Signal Sciences
- **2020** — Signal Sciences acquired by Fastly for $825M
- **2021** — Co-founded Impart Security with Marc Harrison and Brian Joe
- **2024** — Spoke at Black Hat 2024 on solving API security
- **2025-06** — Impart Security raises $12M Series A led by Madrona Ventures

## Achievements

- Co-founded Impart Security, raising $27.5M in total funding including a $12M Series A in 2025
- VP of Product at Signal Sciences through its $825M acquisition by Fastly in 2020
- Helped build four WAF (Web Application Firewall) products across multiple companies
- Impart platform deployed 2,400+ security rules with 99.97% uptime
- Reduced enterprise security rule deployment time from 18 days to 45 minutes
- Speaker at Black Hat 2024 on API security
- Author at Dark Reading, Security Boulevard, and DevOps.com on cybersecurity topics

## Latest updates

- **2025-09** — Published 'We've Crossed the Security Singularity' arguing AI has democratized sophisticated cyberattacks
- **2025-06** — Impart Security raised $12M Series A led by Madrona Ventures with participation from CRV and 8-Bit Capital
- **2025-05** — Latest funding round closed, bringing total funding to ~$27.5M
- **2024-08** — Spoke at Black Hat 2024 on solving API security challenges
- **2024-10** — Appeared on podcast discussing AI, API and runtime application security

## Links

- Website: https://impart.ai
- LinkedIn: http://www.linkedin.com/in/jonathan-divincenzo
- Twitter/X: https://twitter.com/impartsecurity

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Profile page: https://yespress.io/jonathan-divincenzo
Published by YesPress — https://yespress.io
Last updated: 2026-05-14