Colin Evans
About Colin Evans
Colin Evans is the founder and managing partner of Sandwith Ventures, an investment firm based in San Francisco and Philadelphia. Crunchbase says it focuses on angel and early-stage investments and was founded in 2007.
His operating background is in consumer marketplaces and ticketing. NFX Signal lists him as a founding business development and sales executive at StubHub. It also lists him as co-founder, chief revenue officer and board member at Gametime. He has served on the boards of Bonobos, Ticketleap and Financeit.
Crunchbase lists him in startup business development at Amazon Web Services from February 2018, and NFX describes the role as head of the Y Combinator team at AWS. NFX now lists him on the venture partnerships and go-to-market team at OpenAI. He is also active in the Philadelphia startup community, including Philadelphia Start-up Leaders, Founder Factory and Ben Franklin Technology Partners.
PitchBook lists Evans as an active individual angel investor with 13 investments, 10 portfolio companies and 3 exits. Its deal list includes Amino Health (2017), Kalshi (seed, 2020), OpenSea and Pocket Worlds (2021), and a run of 2025 and 2026 deals. Deal sizes are mostly not disclosed. Data providers differ on his totals: Crunchbase shows 8 investments on one profile and 2 on another.
On the Lounge deals desk, Evans is recorded in the Cara seed round, $8M, April 2026. Crunchbase also lists his Cara seed investment.
He took part in the $1.3M angel round for Redpine, a Stockholm startup that supplies licensed, domain-specific datasets for AI systems. PitchBook dates his Redpine investment to September 2025. Other recent entries on PitchBook include depthfirst (November 2025) and Lotus AI (February 2026), a healthcare enterprise software company.
He is also named among the angels in Warp's 2.0 launch announcement, and on LinkedIn he describes himself as an early supporter of Confido, which announced a $55M Series B led by Insight Partners.
Crunchbase says Sandwith Ventures focuses on angel and early-stage investments. Its stated sectors include retail and consumer e-commerce and internet marketplaces. The third sector is cut off in the source text. His recent deals are mostly seed and pre-seed AI and software companies, with some outside the US, such as Redpine in Sweden. Evans has not published a check size, and none is stated here.
- Cara: seed round of $8M, April 2026 (Lounge deals desk).
- Redpine: Stockholm startup building licensed datasets for AI; part of its $1.3M angel round, 2025.
- depthfirst: listed on Crunchbase and PitchBook as an investment, November 2025.
- Lotus AI: healthcare enterprise software; PitchBook lists an investment in February 2026.
- Kalshi: seed round, 2020 (PitchBook).
- OpenSea: listed on PitchBook, 2021.
- Amino Health: healthcare software; PitchBook lists a 2017 investment.
Investing activity
Colin Evans appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $8M. The most recent is Cara (Seed, $8M, Apr 2026).
Colin Evans most often invests alongside Kearny Jackson, Kevin Mahaffey, Sam Hodges and Claire Hughes Johnson, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Colin Evans
Who is Colin Evans the angel investor?
Colin Evans is the founder and managing partner of Sandwith Ventures and an individual angel investor based in San Francisco. He was a founding executive at StubHub and Gametime, and NFX lists him on the venture partnerships team at OpenAI.
What AI startups has Colin Evans invested in?
Lounge records him in the Cara $8M seed round (April 2026). Public sources also list Redpine, depthfirst and Lotus AI, and he is named among the angels in Warp's announcement and as an early supporter of Confido.
What stage does Colin Evans invest in?
Sandwith Ventures describes its focus as angel and early-stage investing. His recent deals are mostly pre-seed and seed rounds.
What is Colin Evans's check size?
He has not published a check size. Deal sizes in PitchBook and Crunchbase are mostly undisclosed.
How can founders contact Colin Evans?
He is on LinkedIn at linkedin.com/in/colinmevans and on X at x.com/colinevans. He also writes about startups and shares founder news on LinkedIn. A warm introduction from a founder he has backed is likely the best route, though he has not said so publicly.
Does Colin Evans invest outside the US?
Yes, at least once. Redpine is based in Stockholm, and he is listed among its angel investors.
Is Colin Evans an angel investor?
Yes. Colin Evans invests personally as an angel.
What AI companies has Colin Evans invested in?
Colin Evans's AI investments include Cara. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Colin Evans invest at?
In the rounds tracked on Lounge, Colin Evans has invested at Seed, with a median round of $8M.
Who does Colin Evans co-invest with?
Colin Evans's most frequent co-investors on Lounge are Kearny Jackson (1 deal), Kevin Mahaffey (1 deal), Sam Hodges (1 deal) and Claire Hughes Johnson (1 deal).