Sunshine Lake

founders forge the future.

Pre-Seed & Seed Fund

Our founders rebuild critical global systems that failed them — with machines.

We connect them to the beating heart of Silicon Valley.

Founder

Don Stalter

Bulge-bracket PE and M&A, then scaled Airbnb across EU and APAC after selling CityDeal to Groupon. First checks into decacorns.

LinkedIn Jefferies Interview Liquidity Podcast

Ivan La Frinere-Sandoval

Partner, CFO & COO

Caltech- and Stanford-trained; SolarCity with Kimbal Musk, then his own companies. Runs fund operations and the investment committee.

Suhail Younus

Partner

Runs the global coverage engine, scoring thousands of startups a year. Cornell-trained in venture and frontier technologies.

Wieger Lamers

Platform Lead

Came up inside Adyen's rise to one of Europe's defining IPOs. Runs EMEA sourcing and the platform team from London.

Advisors

Esther Wojcicki

Godmother of Silicon Valley; the family behind YouTube and 23andMe.

Wikipedia ↗

Mike Franklin

Co-creator of Apache Spark and founding advisor at Databricks.

UChicago ↗

Andrew Hovelson

Broadway actor alongside Tom Hanks and Glenn Close.

IMDb ↗

Jamie Feaster

Unicorn founder, backed by Justin Kan, Snoop Dogg, and top VCs.

LinkedIn ↗

Sunshine Lake Portfolio

Every blockbuster begins as a founder's story.

Led Versapay for nine-plus years through a take-private with Great Hill Partners. Now rebuilding B2B payments for the AI era.

🇨🇦

Craig O'Neill

Argentic

Built TaxProper through to an Opendoor acquisition. Now an AI teammate for finance teams: AP, AR, and reconciliation.

🇬🇧

Thomas Dowling, Geoff Segal & Aaron Coppa

FullSeam

Geoffrey Tisserand and Anji Ismail, Concord.ai

Sold Agora to PayScale; helped build Checkr into a $5B company. Now reskilling the global workforce for the AI era.

🇫🇷

Geoffrey Tisserand & Anji Ismail

Concord.ai

Now in Silicon Valley, building his next company in stealth.

🇯🇵

Hide Morita

Stealth

Co-founded Aurora Solar and scaled it to $4B. Now building foundation vision models that let machines understand the physical world.

🇰🇪

Samuel Adeyemo

Duranta

Ran GitHub and scaled Copilot. Now building the trust layer for the agent era, so the world can verify what machines build.

🇩🇪

Thomas Dohmke

Entire

A founder psychology that sparks movements.

He hustled harder for me than anyone else did. I want him to be part of every single round and company that I start.

Jake Sussman

Headway

$2.3B

With us from day zero, a tremendous supporter through the twists and turns of the journey that have made Kalshi a mainstream prediction market.

Tarek Mansour

Kalshi

$40B

A fantastic partner and ally to Deel since its early days.

Alex Bouaziz

Deel

$17.3B

Alex Bouaziz (Deel), Don, and Tarek Mansour (Kalshi) — Alex Bouaziz (Deel), Don, & Tarek Mansour (Kalshi)

There’s no better time to build than when the world needs it most.

By Invitation

Sunshine Lake Speakeasy

Where unicorns, Midas Listers, and world-class operators build the future.

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