Co-Founder at HumanDirectory
Building the world's first LLM friendly open social network.
JSON format: https://humandirectory.ai/adrienguilmineau.json
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London, United Kingdom
Adrien Guilmineau is Co-Founder at HumanDirectory, with past experience at Disket, Inc, a16z speedrun, Rippling, studied at Warwick Business School, investor in Concord, Sapiom, Ori.
Startup founder and angel investor (a16z speedrun scout). Currently: building HumanDirectory.ai to build the world's first AI-friendly open social network. 🪩 Previously: Product Lead at Rippling, Head of Product at Hofy (acquired for $XXXm by Deel), founded 3 VC-backed startups: - Aria, AI video editor backed by Kima Ventures, Stride.VC, Antoine Martin and Alexis Bonillo - Sidekick, a B2B SaaS-enabled managed marketplace for coaching, backed by Afore Capital and TheFamily. - Tinbox, a crowdfunding platform for non-profits Kind of studied at Warwick University (UK) for 2 years. Angel invested in about 20+ startups with small checks. Backed some solo-GP funds from my friends: Pietro Invernizzi (Firedrop I & II), Michelangelo Valtancoli (Chaotica). And backed the community fund from the A16Z SPEEDRUN (SR004 & SR005).
Building the world's first LLM friendly open social network.
Disket is building software that connects people and machines. We are backed by A16Z Speedrun, Afore Capital, Volo Ventures, Firedrop and other amazing angels.
https://speedrun.a16z.com/companies/ghosted/adrien-guilmineau
Writing small checks to founders that may be a good fit for a16z's Speedrun program.
Rippling is an all-in-one HRIS, Payroll, ATS, Spend, Devices & IT solution for companies of all sizes.
Hofy makes it easy to procure and manage global employee equipment. Acquired by Deel $XXXm.
Aria is an AI mobile video editor for vlogs & podcasts. $650k seed from Stride.VC, Kima, Quiet Capital & Zenly co-founders.
Sidekick is a SaaS enabled managed marketplace for professional coaching. Customers: Facebook, BNP Paribas, Procore Technologies, A.T.Kearney, Paramount Pictures, Typeform, Algolia, Dataiku, Circle Pay... $1.5m seed from Afore Capital, TheFamily & 40 angels.
Tinbox helps nonprofits crowdfund on social media. Customers: Charles Schwab, Clorox, SAP... $500k seed from SpringVC, TheFamily, Tumml & 15 angels.
Paying it forward
I studied for 2 years at Warwick before dropping out to start my first company.
Sapiom is agentic payments for APIs
Ori is a GPU cloud for inference.
Firedrop is a solo GP fund by Pietro Invernizzi investing super early in EU founders.
Unison (YC W22) is building a VR headset & OS.
Cargo (YC S23) is a CRM built directly on top of your data warehouse
Finnt (YC W22) uses AI to analyse investment opportunities for finance professionals.
Elfin Market makes the lowest APR credit card on the market.
Kresus helps large companies improve their working capital through supplier payment solutions.
Posted is the simplest way to track your parcels.
Semper (aq. Crowdcube) makes it easy for companies to run smooth employee liquidity programs.
Dmail.me is a messaging app built on top of the most widely used decentralised network: email.
Prometheus (YC W19) transforms atmospheric carbon into jet fuel.
Finary (YC W21) is a wealth tracking app.
Altacasa makes holiday home co-ownership possible.
Club helps creators monetize premium content through subscriptions, commerce & more.
Mercury is a business bank account for US startups.
Bellman makes managing your apartment building seamless in France.
Payfit (secondary series B) makes paying your employees easy and compliant.
Fairmint makes it easy for stakeholders to invest in your company through tokenized cap tables.
Sunsama (YC W19) turns your calendar into a productivity hub.
Artikuno Commerce buys & scales Shopify stores.
Shipfix (aq. Veson Nautical) is a messaging & data product for the shipping industry.
Point (YC W19) is a debit card with credit card rewards and benefits.
Dyneti (YC W19) is credit card scanning SDK with build-in fraud prevention.
Harmony makes affordable CBD products.
YSplit (YC W19) allows roommates to split bills.
Nabis (YC W19) helps cannabis businesses operate in the US.
Clarisights allows marketing teams to build better reports.
Jinka helps people buy and rent.
Span Health (aq. Eight Sleep) is an AI coach for your health data.
I'll spend 30min going over your deck giving you feedback on how to improve it, how to sharpen your story, show momentum and get excited about your business. This is a no-BS 30-min session in which you'll get radical honestly from me about your startup and it's chances of raising capital from Venture Capital or professional angel investors.
Recommended: Contact me
Startup founder and angel investor (a16z speedrun scout). Currently: building HumanDirectory.ai to build the world's first AI-friendly open social network. 🪩 Previously: Product Lead at Rippling, Head of Product at Hofy (acquired for $XXXm by Deel), founded 3 VC-backed startups: - Aria, AI video editor backed by Kima Ventures, Stride.VC, Antoine Martin and Alexis Bonillo - Sidekick, a B2B SaaS-enabled managed marketplace for coaching, backed by Afore Capital and TheFamily. - Tinbox, a crowdf
Adrien Guilmineau's experience includes: Co-Founder at HumanDirectory (Mar 2026 – Present); Co-Founder at Disket, Inc (Apr 2023 – Present); VC Scout at a16z speedrun (2025 – Present); Product Lead at Rippling (May 2023 – Apr 2024); Head of Product at Hofy (Nov 2021 – Apr 2023); Co-Founder & CEO at Aria (Apr 2020 – Nov 2021); Co-Founder & CEO at Sidekick (Sep 2016 – Mar 2020); Co-Founder & CEO at Tinbox (Jan 2014 – Sep 2016); Fellow at The Family (Apr 2014 – Nov 2021).
B.S. Management at Warwick Business School (Sep 2012 – Apr 2014).
Adrien Guilmineau's investments include: Concord (2026); Sapiom; Ori; Firedrop; Unison; Cargo; Finnt; Elfin Market; Kresus; Posted; Semper; Dmail.me; Prometheus; Finary; Altacasa; Club; Mercury; Bellman; Payfit; Fairmint; Sunsama; Artikuno Commerce; Shipfix; Atlas Card (aka. Point); Dyneti; Harmony; YSplit; Nabis; Clarisights; Jinka; Span Health.
Adrien Guilmineau can be found at: LinkedIn: https://linkedin.com/in/adguil, Substack: https://adguil.substack.com, X: https://x.com/aguilmineau, GitHub: https://github.com/adguil.
Adrien Guilmineau offers: Startup Seed Deck Review.
I'll spend 30min going over your deck giving you feedback on how to improve it, how to sharpen your story, show momentum and get excited about your business. This is a no-BS 30-min session in which you'll get radical honestly from me about your startup and it's chances of raising capital from Venture Capital or professional angel investors. Pricing: $200 / session.
Adrien Guilmineau is connected with: Victor Nourrissat ↗, Alice Wachtmeister ↗, Alice Guilmineau ↗, Carl Wachtmeister ↗, Gaston Montemayor ↗, Lorenzo Castro ↗, Christophe Mignon ↗, Mathias Pastor ↗, Anji Ismail ↗, Jean-Sébastien Wallez ↗, Louis Maestrati ↗, Emile Deutsch ↗, Côme Courteault ↗, Marie-Ann Wachtmeister ↗, Mo Shana'a ↗, Brice Huet ↗, Ben Kosowsky ↗, Glenn Sonna ↗, Alexandre Mikulaniec ↗, Geoffrey Tisserand ↗, Younès Rharbaoui ↗, Rhai Goburdhun ↗, Maxime Blondel ↗, Vincent Jouanne ↗, Viktor Bánczi ↗, Marc Lebel ↗, Florent Astier ↗, Roland Jais Nielsen ↗, Samuel Pontier ↗, Hugo de Mascarel ↗, Yassine Charai ↗, Adrien Hugon ↗, Lucas Wingz ↗, David Guérin ↗, Michael Desir ↗, Stanislas Jallot ↗, Michiel Puelinckx ↗, Geoff Ainslie ↗, Jordan Carver ↗, Antoine Mérour ↗, Jeddi Mees ↗, Miguel Calejo Pires ↗, Illan Glaubert ↗, Charles Girault ↗, Victor Boittiaux ↗, Roland Huyghues Despointes ↗, Ipek Yilmaz Remigio ↗, Jesse Pickard ↗, Julian Titz ↗, David Mendlewicz ↗.