Jake Klamka
About Jake Klamka
Jake Klamka has a master's degree in physics from the University of Toronto. He began his private-sector career in data science consulting and then ran analytics at a fast-growing marketing company, according to a Mode profile.
He founded Insight Data Science to help academics move into data careers. Mode dates the founding to 2011, and some databases say 2012. Insight runs intensive fellowships in data science and data engineering, and Mode reports it had placed more than 1,400 fellows. Golden lists Y Combinator and SV Angel among Insight's investors. His X profile describes him as Founder & CEO of Insight, based in San Francisco.
PitchBook also lists him as a former executive at Activation Fund.
PitchBook classes Klamka as an individual angel investor. It records 11 investments, 8 portfolio companies and 3 exits. The earliest deals it lists are from 2019, in Streamlit, Outschool and Red Planet Labs. The most recent are Anto Biosciences (December 2025) and Zalos (March 2026).
He also took part in Mode's $23 million Series C, led by Valor Equity Partners, as reported by Venture Capital Journal. Deal sizes and his own check amounts are not public.
Zalos is the AI round on the Lounge deals desk. It raised a $3.6 million seed round announced on 24 March 2026. 14 Peaks led the round, with participation from Cohen Circle, 20VC and several angels. Zalos builds Computer Agents that operate finance systems for CFOs. Dealroom lists Klamka among its investors.
Other AI-related names on his record are Centaur.ai, which does expert data labeling for medical AI and lists him as an investor, and Rosebud AI (2020, per PitchBook).
The public record shows seed and early-stage rounds, with some later-stage rounds. Sectors include business and productivity software, developer and data tools, health tech and education. Foundersuite lists his interests as Bay Area companies and data science. Most of his listed companies are US-based. He has not published a check size or a thesis, so neither is stated here.
- Zalos: AI Computer Agents for finance operations. Seed round, March 2026.
- Anto Biosciences: biotechnology company. PitchBook lists the deal in December 2025.
- Centaur.ai: expert data labeling for medical AI. PitchBook lists the deal in August 2021.
- Rosebud AI: software development applications. PitchBook lists the deal in August 2020.
- Streamlit: data app software. Seed round, October 2019, per CB Insights.
- Outschool: online classes for children. PitchBook lists an early-stage round in May 2019.
- Red Planet Labs: software development applications. PitchBook lists the deal in April 2019.
- Mode: collaborative data science platform. Participated in its $23 million Series C.
- pitchbook.com/profiles/investor/265367-44
- crunchbase.com/person/jake-klamka
- mode.com/blog/how-to-attract-top-data-science-talent-insight-fellows
- x.com/jakeklamka?lang=en
- app.dealroom.co/companies/zalos
- globenewswire.com/news-release/2026/03/24/3261268/0/en/Zalos-raises-3-
- techfundingnews.com/ai-meets-finance-zalos-snaps-3-6m-to-build-cfo-age
- centaur.ai/angel-investors/jake-klamka
Investing activity
Jake Klamka appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $4M. The most recent is Zalos (Seed, $3.6M, Mar 2026).
Jake Klamka most often invests alongside 14Peaks Capital, Edward Woodford, Harry Stebbings and Minh Pham, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Jake Klamka
Who is Jake Klamka?
Jake Klamka is the founder and CEO of Insight Data Science and an angel investor. He has a physics background and worked in data science consulting and marketing analytics before founding Insight.
What AI startups has Jake Klamka invested in?
He invested in the Zalos seed round in March 2026, and Dealroom lists him as an investor. He is also listed as an investor in Centaur.ai (medical AI data labeling) and Rosebud AI.
What stage does Jake Klamka invest in?
His public deals are mostly seed and early-stage rounds, with a few later-stage rounds. Zalos was a $3.6 million seed round led by 14 Peaks.
What is Jake Klamka's check size?
It is not public. PitchBook and other databases do not list his check amounts, and he has not stated a range.
What sectors does Jake Klamka back?
His record covers AI agents, data and developer tools, medical AI, biotech and education. Foundersuite lists data science as an area of interest.
How can founders reach Jake Klamka?
He has public profiles on LinkedIn and on X as @jakeklamka. Founders can also approach him through the Lounge deals desk.
Is Jake Klamka an angel investor?
Yes. Jake Klamka invests personally as an angel.
What AI companies has Jake Klamka invested in?
Jake Klamka's AI investments include Zalos. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Jake Klamka invest at?
In the rounds tracked on Lounge, Jake Klamka has invested at Seed, with a median round of $4M.
Who does Jake Klamka co-invest with?
Jake Klamka's most frequent co-investors on Lounge are 14Peaks Capital (1 deal), Edward Woodford (1 deal), Harry Stebbings (1 deal), Minh Pham (1 deal) and Jon Langbert (1 deal).