Lee Fixel
InvestorFounder & Managing Partner at Addition · Board director at Ernesta · Board director at Relay Payments · Board director at Tend Dental, Inc.
New York, NY
Writes $1M – $50M checks · typically $10M
Midas 2013 · #30Midas 2014 · #58Midas 2015 · #46Midas 2016 · #55Midas 2017 · #79Midas 2018 · #43Midas 2019 · #16Midas 2020 · #16Midas 2021 · #10Midas 2022 · #13Midas 2023 · #8Midas 2024 · #39Midas 2025 · #76Midas 2026 · #88
About
Lee Fixel ran Tiger Global's private investing business for 13 years, where he championed Flipkart, Peloton, and a generation of Indian startups, before founding Addition in 2020. The New York firm raised more than $5 billion across its first four funds to back early and growth-stage companies, while Fixel kept his famously low public profile.
Likely emails· guessed from name + firm domain, not firm-published
- l•••@addition.comreveal90% confident
- l•••@addition.comreveal75% confident
Beyond investing
- Founded
- Fixel launched the venture capital firm Addition in 2020, raising $1.3 billion to invest in early- and growth-stage startups.
- Education
- Studied at Washington University in St. Louis (Bachelor of Science, business administration, finance, and accounting) Studied at London School of Economics and Political Science
- Charities
- Fixel co-founded the Lauren and Lee Fixel Family Foundation with his wife, Lauren Fixel. The Fixels are among the most significant contributors to The Michael J. Fox Foundation, which funds Parkinson's disease research. In January 2019, the Lauren and Lee Fixel Family Foundation donated $20 million to the University of Florida and UF Health to establish the Norman Fixel Institute for Neurological Diseases. In February 2025, the foundation supported the launch of the Food and Agriculture Research Mission (FARM) at Washington University in St. Louis.
- Family
- Fixel was raised near Fort Lauderdale, Florida, as the eldest of three children with two younger sisters. Fixel is married to Lauren Fixel.
From published sources — common ground for a warm intro.
Board director at Ernesta
Intro paths
In turn, Lee can intro founders to Ernesta's investors below.
Ernesta's investors · 3
Co-founders at Ernesta
Board director at Relay Payments
Intro paths
In turn, Lee can intro founders to Relay Payments's investors below.
Relay Payments's investors · 4
Co-founders at Relay Payments
Board director at Tend Dental, Inc.
Intro paths
In turn, Lee can intro founders to Tend Dental, Inc.'s investors below.
Experience
- AdditionInvestorcurrent2019 — presentNew York, New York, United States
- Tiger Global ManagementPartner2006 — 2019New York City Metropolitan Area
Skills & more
- Chartered Financial Analyst — CFA Institute
From Lee's professional profile.
Investments
Board seats
FlipkartPeloton
Investor
FacebookFreshworksSpotifyStripe
Per curated public sources.
Podcasts & interviews
featuring Lee FixelBase Power's $200M Series B | Co-Led by Lee Fixel, A16Z, Lightspeed, & Valor Equity Partners
Sourcery with Molly O'Shea
Lee Fixel quits Tiger Global | High profile exit at Facebook | Startup Central
ET NOW
Colleagues at Addition
Network14
▶2 more connections
Investors connected to Lee in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Lee Fixel?
- Lee Fixel ran Tiger Global's private investing business for 13 years, where he championed Flipkart, Peloton, and a generation of Indian startups, before founding Addition in 2020. The New York firm raised more than $5 billion across its first four funds to back early and growth-stage companies, while Fixel kept his famously low public profile.
- Where does Lee Fixel work?
- Lee Fixel is Founder & Managing Partner at Addition and Board director at Ernesta and Board director at Relay Payments and Board director at Tend Dental, Inc..
- What check size does Lee Fixel write?
- Lee Fixel typically writes checks of $1M – $50M.
- What boards does Lee Fixel sit on?
- Lee Fixel holds tracked board seats at Flipkart, Peloton.
- What companies has Lee Fixel invested in?
- Investments tracked here include Facebook, Freshworks, Spotify, Stripe.
- Where did Lee Fixel go to school?
- Lee Fixel studied at Washington University in St. Louis (Bachelor of Science in Business Administration, Finance and Accounting); The London School of Economics and Political Science (LSE).
- What podcasts and interviews feature Lee Fixel?
- Tracked appearances include "Base Power's $200M Series B | Co-Led by Lee Fixel, A16Z, Lightspeed, & Valor Equity Partners", "Lee Fixel quits Tiger Global | High profile exit at Facebook | Startup Central".
Paths to reach Lee
People who overlapped with Lee at the same organization — a shared school or employer with one of them is a warm way in.
Together at AdditionLee: Founder & Managing Partner
Together at Tiger Global ManagementLee: Partner
Together at Tend Dental, Inc.Lee: Director
Together at ErnestaLee: Director
Same school
Also attended Washington University in St. Louis173
+ 167 more
Also attended The London School of Economics and Political Science (LSE)980
+ 974 more
Shared employers
Also worked at Tiger Global Management35
+ 29 more