Ann Miura-Ko
InvestorCo-founding Partner at Floodgate · Co Director of the Mayfield Fellows Program at Stanford University · 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
Find your path to Ann
2,641 people in our graph share verified history with Ann — schools, employers, funds. One of them is your warm intro.
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
Social Construct went through Y Combinator (Summer 2017) — Ann sits on its board, so any YC alum in your network can reach them through the company's founders.
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 · 5
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
AirPhrameBot M.D.Bot MDChairman MomCheggChloe + IsabelComplete SolarDasientDiggEmotiveHebbiaJoyRunLyftMaker MediaMemMerlin LabsMixmaxModclothOne JacksonPipewisePlugPrept Vacations, IncRefinery29RiseSmarterDXStudioSymphonyAI SensaTango CardTaskrabbitThinkfulTwitterWaneloXamarin
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
Network7
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, Popshop Live, Readyon, AirPhrame, Ayasdi, Bot M.D., Bot MD, Chairman Mom, Chegg, Chloe + Isabel, Complete Solar, and 27 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 4 tracked investments.
Same school
Also attended Stanford University2,000
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Also attended Yale University1,072
+ 1,066 more
Also attended Palo Alto High School34
+ 28 more
Shared employers
Also worked at Yale University189
+ 183 more
Also worked at Charles River Ventures65
+ 59 more
Also worked at McKinsey and Company2,000
+ 1,994 more