# Science Exchange funding: rounds and investors > Science Exchange has raised $54M across 5 rounds since 2011. Investors include Y Combinator, Andreessen Horowitz and Union Square Ventures. Source: https://millionrounds.com/company/science-exchange (Millionrounds; every figure on the page links to its filing or article) United States · [Venture startup](https://millionrounds.com/companies) # Who invested in *Science Exchange* 5 rounds we have observed, with the 29 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. Biotech Professional Services Healthcare Y Combinator: S11 Funding summary Updated 26 Oct 2026 **$54M** raised across 5 rounds since 2011, from 5 sources **$1.5M** Seed **$4.0M** Series A **$28M** Series C **$20M** Venture - **Latest round:** Venture, $20M Oct 2019 - **Biggest round:** $28M Series C · Jun 2017 - **Investors:** 29 See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2011 2013 2015 2017 2019 **?** Seed **$1.5M** Seed **$4.0M** Series A **$28M** Series C **$20M** Venture - **First round:** Seed - **Biggest round:** $28M - **Usual gap between rounds:** 2.3 years ## The rounds - **Oct 2019** Venture **$20M** *2 new* *3 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Index Ventures](https://millionrounds.com/fund/index-ventures) [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) Source recorded - **Jun 2017** Series C **$28M** *3 new* [Collaborative](https://millionrounds.com/fund/collaborative) Maverick Norwest Venture Partners/ Union Square Reported by FinSMEs - **May 2013** Series A **$4.0M** *11 new* *3 returning* [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [O'Reilly AlphaTech Ventures](https://millionrounds.com/fund/o-reilly-alphatech-ventures) [Webb Investment Network](https://millionrounds.com/fund/webb-investment-network) [XG Ventures](https://millionrounds.com/fund/xg-ventures) [Esther Dyson](https://millionrounds.com/fund/esther-dyson) [Yuri Milner](https://millionrounds.com/fund/yuri-milner) [Joshua Schachter](https://millionrounds.com/fund/joshua-schachter) [Techammer](https://millionrounds.com/fund/techammer) [Kal Vepuri](https://millionrounds.com/fund/kal-vepuri) [Ellen Levy](https://millionrounds.com/fund/ellen-levy) [Lisa Gansky](https://millionrounds.com/fund/lisa-gansky) [Jeff Hammerbacher](https://millionrounds.com/fund/jeff-hammerbacher) [Peter Lehrman](https://millionrounds.com/fund/peter-lehrman) [Rob Hutter](https://millionrounds.com/fund/rob-hutter) Reported by finsmes.com - **Dec 2011** Seed **$1.5M** *12 new* *1 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [SV Angel](https://millionrounds.com/fund/sv-angel) [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) [Lerer Ventures](https://millionrounds.com/fund/lerer-ventures) [Webb Investment Network](https://millionrounds.com/fund/webb-investment-network) [XG Ventures](https://millionrounds.com/fund/xg-ventures) [Sam Altman](https://millionrounds.com/fund/sam-altman) [Yuri Milner](https://millionrounds.com/fund/yuri-milner) [Start Fund](https://millionrounds.com/fund/start-fund) [Morado Ventures](https://millionrounds.com/fund/morado-ventures) Jack Jia Joe Eandi Reported by techcrunch.com - **Jun 2011** Seed **Amount undisclosed** *1 new* [Y Combinator](https://millionrounds.com/fund/y-combinator) From a historical funding record ## Founders and team From Science Exchange's own website: 6 on the team. - **Mark Layden** CEO & Chairman - **Brooke Houle** Chief of Staff - **Lacey Brandt** Chief Financial Officer - **Kyle Kopps** VP Engineering - **Michael Breiner** VP Technical Business Operations - **Ginny Scholtes** General Counsel ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Seed** 2011 **Seed** 2011 **Series A** 2013 **Series C** 2017 **Venture** 2019 [Y Combinator](https://millionrounds.com/fund/y-combinator) [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) [Webb Investment Network](https://millionrounds.com/fund/webb-investment-network) [XG Ventures](https://millionrounds.com/fund/xg-ventures) [Yuri Milner](https://millionrounds.com/fund/yuri-milner) [SV Angel](https://millionrounds.com/fund/sv-angel) [Index Ventures](https://millionrounds.com/fund/index-ventures) [Norwest Venture Partners](https://millionrounds.com/fund/norwest) [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) ## Everyone who backed them [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **3** rounds [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) VC firm **2** rounds [Union Square Ventures](https://millionrounds.com/fund/union-square-ventures) VC firm **2** rounds [Webb Investment Network](https://millionrounds.com/fund/webb-investment-network) Family office **2** rounds [XG Ventures](https://millionrounds.com/fund/xg-ventures) VC firm **2** rounds [Yuri Milner](https://millionrounds.com/fund/yuri-milner) VC firm **2** rounds [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Index Ventures](https://millionrounds.com/fund/index-ventures) VC firm **1** round [Norwest Venture Partners](https://millionrounds.com/fund/norwest) VC firm **1** round [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) VC firm **1** round [Lerer Ventures](https://millionrounds.com/fund/lerer-ventures) VC firm **1** round [O'Reilly AlphaTech Ventures](https://millionrounds.com/fund/o-reilly-alphatech-ventures) VC firm **1** round [Sam Altman](https://millionrounds.com/fund/sam-altman) Angel **1** round [Esther Dyson](https://millionrounds.com/fund/esther-dyson) VC firm **1** round [Start Fund](https://millionrounds.com/fund/start-fund) VC firm **1** round [Joshua Schachter](https://millionrounds.com/fund/joshua-schachter) VC firm **1** round [Techammer](https://millionrounds.com/fund/techammer) Angel network **1** round [Morado Ventures](https://millionrounds.com/fund/morado-ventures) VC firm **1** round [Kal Vepuri](https://millionrounds.com/fund/kal-vepuri) Angel **1** round [Ellen Levy](https://millionrounds.com/fund/ellen-levy) VC firm **1** round [Lisa Gansky](https://millionrounds.com/fund/lisa-gansky) Angel **1** round [Jeff Hammerbacher](https://millionrounds.com/fund/jeff-hammerbacher) Angel **1** round [Peter Lehrman](https://millionrounds.com/fund/peter-lehrman) Angel **1** round [Collaborative](https://millionrounds.com/fund/collaborative) Hedge fund **1** round [Rob Hutter](https://millionrounds.com/fund/rob-hutter) Angel **1** round Jack Jia no record of our own yet **1** round Joe Eandi no record of our own yet **1** round Maverick no record of our own yet **1** round Norwest Venture Partners/ Union Square no record of our own yet **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=science-exchange). ## Also claim to have backed them This firm lists Science Exchange as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above. [Windham Capital Partners](https://millionrounds.com/fund/windham-capital-partners) Growth equity Per its own site ## Quick answers about Science Exchange ### Who invested in Science Exchange? Science Exchange's investors include Y Combinator, Andreessen Horowitz, Union Square Ventures, Webb Investment Network and XG Ventures, and 24 more on record. ### How much has Science Exchange raised? Science Exchange has raised $54M across 5 rounds since 2011. One round did not disclose an amount, so the total is a floor. ### When did Science Exchange last raise? Science Exchange's most recent round was a Venture of $20M in Oct 2019. ### What was Science Exchange's biggest round? Science Exchange's largest round on record is $28M (Series C), in Jun 2017. ### Who backed Science Exchange first? Science Exchange's first round on record, in Jun 2011, was backed by Y Combinator. ### What stage is Science Exchange at? Science Exchange's latest named round is a Venture, in Oct 2019. ### Where is Science Exchange based? Science Exchange is based in the United States. ## Companies like Science Exchange In the same sector, and raised in the last eighteen months. 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