area-120

(3)
Legend
Romain Sestier
Founder · Executive · Operator

Romain Sestier

Romain Sestier is the co-founder and CEO of StackOne, an integration platform that lets B2B SaaS products and AI agents connect to hundreds of enterprise systems through one unified API. After a decade spent maintaining integrations by hand at companies like Maxymiser, ContentSquare and Yieldify, and after building a product from zero to $1 billion in incremental revenue at Google, he and long-time collaborator Guillaume Lebedel started StackOne in 2023 to build the integration layer they always wished existed. The company reached six-figure revenue within weeks of launch and raised a $20M Series A led by GV in May 2025.

romain-sestier · stackoneRead →
Legend
Raj Gajwani
Executive · Operator · Founder

Raj Gajwani

Raj Gajwani is Chief Business Officer at OpenArt AI, the San Francisco generative-AI creator suite for images and video. Before OpenArt he spent over a decade at Google, scaling DoubleClick's channel program to $1.3 billion in revenue and founding Orion Wifi, one of the most successful projects out of Google's Area 120 incubator (now part of Android). He also runs Day 0, an enterprise AI strategy consultancy, and serves as a board member, advisor, and angel investor across startups including Couchsurfing, MultiView, and the Wireless Broadband Alliance. A Harvard graduate who also studied at the London School of Economics, he sits at the intersection of frontier AI products and enterprise go-to-market.

openart-ai · chief-business-officerRead →
Legend
Coco Mao
Founder · Executive · Operator

Coco Mao

Coco Mao is the CEO and co-founder of OpenArt AI, the creative platform that grew from a viral Hacker News post about AI image prompts to $70M+ ARR with just 20 people. A Carnegie Mellon computer scientist who spent seven years at Google building search products and the Tangi short-form video app, she left in 2022 to co-found OpenArt with CTO John Qiao. Under her leadership, OpenArt scaled 7x in 2025, reached 8 million monthly active users, raised a $30M Series A from Canaan Partners, and launched One-Click Story — a feature that lets anyone turn a single sentence into a complete video with persistent characters.

ai · generative-aiRead →