gv-google-ventures
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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.
Jack O'Hara
Jack O'Hara is the co-founder and CEO of Translucent, an AI-native financial operating system for healthcare. After eight years running technology and transformation inside multi-billion-dollar provider organizations - including a stint as CIO at value-based care group ChenMed and CIO/Chief Transformation Officer at Springfield Clinic - he started Translucent in 2024 to give every hospital and medical group its own always-on AI financial analyst. The company pairs operational, clinical, and financial data into a single view that surfaces real-time insight and root-cause analysis. Translucent raised a $7M seed in August 2025 and a $27M Series A led by GV in March 2026.
Julia Owens
Julia C. Owens is a biopharmaceutical executive who in October 2025 became CEO of Basking Biosciences, a clinical-stage company building the first reversible thrombolytic therapy for acute ischemic stroke. With a UCSF Ph.D. and more than 25 years in the industry, she co-founded and ran Millendo Therapeutics for nearly a decade through its NASDAQ debut, later led Ananke Therapeutics, advises GV (Google Ventures) on women's health, chairs Sena Therapeutics, and co-founded the Biotech CEO Sisterhood to put more women in the corner office.
Rylan Hamilton
Rylan Hamilton is the CEO and co-founder of Blue Water Autonomy, a Boston defense-tech company building large, software-defined, uncrewed ships for the U.S. Navy. A Navy surface warfare officer turned robotics entrepreneur, he was an early leader at Kiva Systems (acquired by Amazon for $775M) and co-founded the warehouse-robot maker 6 River Systems (sold to Shopify for $450M). Now he is taking the 'mobile robot' idea back to the ocean - aiming to be the Waymo of the open sea, with a $50M GV-led Series A and a first full-scale autonomous ship slated for the water in 2026.