Charles V.

Charles V. builds applied AI systems at PostHog, including the AI gateway, sandboxes, and agent runtime used by its agentic products. He previously co-founded Branch, where he led engineering, and Vortex Games, where he helped scale a Minecraft server into a top-10 network worldwide.

Career

Cosigned byLoading...

CosignedSign in to view

Based in: Seattle

PostHog

Dec 2025 — Present

Product Engineer, Applied AI

Branch

Feb 2021 — Oct 2025

Co-Founder & Engineering Lead

Vortex Games

Mar 2019 — Jun 2023

Co-Founder & CTO

OP Services

Feb 2015 — Mar 2019

Co-Founder

Products & media

charlesvien.com

Charles Vien — Builder & Founder

Read about his work on PostHog’s applied AI systems and his earlier engineering and founder roles at Branch and Vortex Games.

Profile name

Company name

Company name

Profile name

Company name

Company name

Profile name

Company name

Company name

Profile name

Company name

Company name

Profile name

Company name

Company name

Charles V.

PostHog

Branch

Vortex Games

OP Services

Products & media

Charles Vien — Builder & Founder

Curated Lists

List Inclusions