Jonathan H.

CEO

San Francisco, California, United States9 yrs 1 mo experience

Key Highlights

Led cybersecurity startup from founding to exit.
Developed advanced security platform for AI applications.
Expertise in compliance automation and product development.

Stackforce AI infers this person is a cybersecurity expert with a strong focus on SaaS and compliance automation.

Contact

Skills

Core Skills

CybersecurityProgramming

Other Skills

Python (Programming Language)Email SarcasmCyberInformation SecurityComputer SecuritySecurityPenetration TestingCLinuxC++Malware AnalysisPublic Key CryptographyCryptographyReverse EngineeringCybersecurity Cyberinfluencer

About

I build stuff with AI.

Experience

9 yrs 1 mo

Total Experience

1 yr 10 mos

Average Tenure

7 mos

Current Experience

Writer

Member of Security Staff

Sep 2025 – Present · 7 mos · San Francisco Bay Area · Hybrid

Senior Staff Sec Eng building Writer's agentic security platform, Cerebro (https://github.com/writer/cerebro)

Python (Programming Language)Email SarcasmCybersecurityProgramming

Vanta

Senior Product Manager

Oct 2024 – Aug 2025 · 10 mos · San Francisco Bay Area · Remote

Joined via ThreatKey.

Forbes technology council

Official Member

Aug 2022 – Aug 2024 · 2 yrs · New York, New York, United States

Carta

Lead, Security Operations

Nov 2020 – Jul 2021 · 8 mos · New York, New York, United States

Left Carta to go full-time on ThreatKey.

Threatkey, inc.

Co-founder & CEO

Oct 2020 – Oct 2024 · 4 yrs · San Francisco Bay Area · On-site

Led cybersecurity startup from founding to exit:
Raised $5M in venture funding
Achieved $XXXK Annual Recurring Revenue (ARR)
Expertise in cybersecurity, compliance automation, and product development.

Doordash

Senior Security Operations Engineer

Feb 2020 – Nov 2020 · 9 mos · San Francisco Bay Area

Propy inc.

Advisor (formerly VP of Engineering)

Jan 2019 – Sep 2023 · 4 yrs 8 mos · San Francisco Bay Area

Startups

Security Engineer

Nov 2017 – Jan 2019 · 1 yr 2 mos · Multiple

Multiple early-stage startup engagements, particularly focused on static code analysis. AppSec consultant briefly for CLEARME.

Amazon

Security Engineer

Nov 2016 – Jan 2017 · 2 mos · Greater Seattle Area

Snap inc.

Security Engineer

Aug 2016 – Oct 2017 · 1 yr 2 mos · Greater Los Angeles Area

Intern to FT conversion

Apple

Software Engineer

May 2016 – Aug 2016 · 3 mos · San Francisco Bay Area

Project for improvement of security and AI tools for monitoring the 2 billion+ available apps
Defined strategies to enhance the developer experience with the App Store ecosystem
Was selected to present key findings & new concept solution to SVP of Internet Software and Services