Ann Miura-Ko
InvestorCo-founding Partner at Floodgate · Board director at Ttyl · Board director at Social Construct · Board director at Rise Labs
Palo Alto, CA
Writes $500K – $5M checks
Midas 2017 · #77Midas 2018 · #55Midas 2019 · #57Midas 2020 · #96Midas 2021 · #89Midas 2022 · #88Midas 2023 · #75Midas 2024 · #53
About
Ann Miura-Ko co-founded Floodgate with Mike Maples Jr. and helped define the modern seed-stage playbook, backing Lyft and Refactor Capital-era startups before micro-VC was mainstream. A Stanford PhD who lectures at the university, she is a frequent voice on what she calls 'thunder lizard' startups and co-founded the nonprofit All Raise to support women in venture.
Contact· self-published, not guessed
Invests in
AI & Machine LearningClimate TechConsumerCreator EconomyEnterprise SoftwareFintechFuture of WorkHealthtechMarketplacesMedical Devices
Beyond investing
- Education
- Studied at Yale (BS, Electrical Engineering) Studied at Stanford (PhD, Math Modeling of Infosec)
- Boards
- She served on the Yale Corporation Board of Trustees from 2019 to 2025.
- Communities
- She is a co-founding member of All Raise, a nonprofit committed to improving diversity in funders and founders.
- Hobbies
- Her interests include piano, robots, and gastronomy.
- Family
- Her father was a NASA rocket scientist, and she grew up in Palo Alto in a family of mechanical engineers. She lives in the Bay Area with her husband and three children.
- More
- As an undergraduate at Yale she participated in the Robocup Competition in Paris, France.
From published sources — common ground for a warm intro.
Board director at Ttyl
Intro paths
In turn, Ann can intro founders to Ttyl's investors below.
Ttyl's investors · 1
Board director at Social ConstructYC S17
Intro paths
Ann went through Y Combinator (Summer 2017) — any YC alum in your network can reach them through the YC community.
In turn, Ann can intro founders to Social Construct's investors below.
Social Construct's investors · 3
Co-founders at Social Construct
Board director at Rise Labs
Intro paths
In turn, Ann can intro founders to Rise Labs's investors below.
Rise Labs's investors · 1
Co-founders at Rise Labs
Experience
- FLOODGATECo-Founding Partnercurrent2008 — present
- Stanford UniversityCo Director of the Mayfield Fellows Programcurrent2019 — present
- Yale UniversityMember Board Of Trustees2019 — 2025
- Charles River VenturesAnalyst2001 — 2003
- McKinsey and CompanySenior Business Analyst1998 — 2001
Skills & more
+5 more
Digital MediaMobile InternetEntrepreneurship EducationEmerging TechnologiesQuantitative AnalyticsLanguages Japanese
From Ann's professional profile.
Deals · 7
Ikigai AlphaBoard seat
via Floodgate · filed Dec 2019 · $5.1M raise
Social ConstructBoard seat
via Floodgate · filed Nov 2019 · $10M raise
chloe & isabelBoard seat
via Floodgate · filed Feb 2016 · $20M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
LyftZimride
Investor
CheggDiggLyftMerlin LabsModClothRefinery29SmarterDXTaskrabbitThinkfulTwitterXamarin
Sources: curated public sources · SEC Form D filings.
Podcasts & interviews
featuring Ann Miura-Ko
Ann Miura-Ko on FLOODGATE's Thunder Lizard Theory and Achieving Product Market Fit | Blitzscaling 04
Greylock · youtube.com
Daring to be Different: An Exclusive Conversation with Ann Miura-Ko, Partner, Floodgate
Accelerate Yale
Ann Miura-Ko (Floodgate) Gives You 2 Ways to Think About Markets
NFX
Blitzscaling 04: Ann Miura-Ko on FLOODGATE's Thunder Lizard Theory and Achieving Product Market Fit
Greylock
Entrepreneurship Through the Lens of Venture Capital: Ann Miura-Ko, Floodgate Partners
Stanford
Ann Miura-Ko (FLOODGATE) Work Life Balance Goals
Startup Grind Local
4 more appearances
Colleagues at Floodgate
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Network10
Investors connected to Ann in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Ann Miura-Ko?
- Ann Miura-Ko co-founded Floodgate with Mike Maples Jr. and helped define the modern seed-stage playbook, backing Lyft and Refactor Capital-era startups before micro-VC was mainstream. A Stanford PhD who lectures at the university, she is a frequent voice on what she calls 'thunder lizard' startups and co-founded the nonprofit All Raise to support women in venture.
- Where does Ann Miura-Ko work?
- Ann Miura-Ko is Co-founding Partner at Floodgate and Board director at Ttyl and Board director at Social Construct and Board director at Rise Labs.
- What does Ann Miura-Ko invest in?
- Ann Miura-Ko invests in AI & Machine Learning, Climate Tech, Consumer, Creator Economy, Enterprise Software, Fintech, Future of Work, Healthtech, Marketplaces, Medical Devices.
- What check size does Ann Miura-Ko write?
- Ann Miura-Ko typically writes checks of $500K – $5M.
- What boards does Ann Miura-Ko sit on?
- Ann Miura-Ko holds tracked board seats at Ayasdi, chloe & isabel, Ikigai Alpha, Labdoor, Lyft, Rise Labs, Social Construct, Ttyl, Zimride.
- What companies has Ann Miura-Ko invested in?
- Investments tracked here include Counsel Health, Hebbia, Readyon, Ayasdi, Chegg, Digg, Lyft, Merlin Labs, ModCloth, Refinery29, SmarterDX, Taskrabbit, and 3 more.
- Where did Ann Miura-Ko go to school?
- Ann Miura-Ko studied at Stanford University (Ph.D., Quantitative Modeling of Computer Security); Yale University (B.S., Electrical Engineering); Palo Alto High School.
- What podcasts and interviews feature Ann Miura-Ko?
- Tracked appearances include "Ann Miura-Ko on FLOODGATE's Thunder Lizard Theory and Achieving Product Market Fit | Blitzscaling 04", "Daring to be Different: An Exclusive Conversation with Ann Miura-Ko, Partner, Floodgate", "Ann Miura-Ko (Floodgate) Gives You 2 Ways to Think About Markets", and 7 more.
- Does Ann Miura-Ko lead rounds?
- Yes — Ann Miura-Ko has led 3 tracked investments.
Paths to reach Ann
People who overlapped with Ann at the same organization — a shared school or employer with one of them is a warm way in.
Together at FloodgateAnn: Co-founding Partner
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Together at McKinsey and CompanyAnn: Senior Business Analyst
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Together at Stanford UniversityAnn: Co Director of the Mayfield Fellows Program
Together at Yale UniversityAnn: Member Board Of Trustees
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Same school
Also attended Stanford University2,000
+ 1,994 more
Also attended Yale University651
+ 645 more
Also attended Palo Alto High School23
+ 17 more
Shared employers
Also worked at Yale University119
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+ 113 more
Also worked at Charles River Ventures55
+ 49 more
Also worked at McKinsey and Company1,549
+ 1,543 more