Tim Suzman
@TimSuzman
Managing Partner of Pioneer Fund. We are 450+ Y Combinator alumni investing in the top YC startups. YC S11.
In the span of a few years, tech people in Silicon Valley shifted from "humanoid robots don't make sense" to "humanoid robots will obviously be a multi-trillion dollar market." @pioneer_fund has been investing in the space since 2022.
The Regent Seaglider enters foil testing. Looks unreal. Can't wait to see it FLY.
🚀🚀🚀🚀 @pioneer_fund company @hubble_network just launched 4 new satellites on a SpaceX rocket. They now have a constellation of 7 satellites for their global bluetooth IoT network. Congratulations to Alex Haro and team!
Wow. @Canary_Tech raises $80M Series D. They now have 20,000 hotels as customers. Marriott, Rosewood Hotels, Best Western, Wyndham, Four Seasons... This was one of the early @pioneer_fund investments.

🚀 🌵 Cactus AI grew from $0 to $300K ARR in 9 weeks during YC! They just shared it live on @tbpn. Their round is oversubscribed. Nice going @oncactusai!

Congratulations to @OutsetAI on their $17M Series A led by 8VC! Outset lets companies automate in-depth interviews with their customers. One of the reasons YC startups move so fast is because they talk to users. Outset lets every company talk to and understand their users at…

Most VCs are so slow and sheepish.
In early-stage investing, sometimes the greatest value-add isn't services or platforms—it's having the guts to be the first investor to say "yes." Early conviction sparks rounds, creates momentum, and is far rarer than most VCs admit.
This is the first time I've seen a NEW type of chart showing up in investor updates. @WorkWeave tracks engineering productivity, and some startups are showing their WorkWeave charts.
Investors at Demo Day will be blown away by the @ycombinator X25 batch.
You know you built a good auth framework when your users call you an artist. @better_auth
Ty!! You are an artist