Timothy Ferriss
Author - Amazon Publishing @ Amazon
San Francisco, United States
Timothy Ferriss is a start-up angel investor Twitter, Posterous, RescueTime and others, blogger and entrepreneur. Tim's best-known written work is The 4-Hour Workweek, which had been sold into 35 languages and reached #1 on The New York Times, BusinessWeek and The Wall Street Journal bestseller lists. On May 3, 2009, it celebrated its 2ndstraight year on The New York Times business bestseller list since its publication on April 27, 2007. Tim is a Guest Lecturer in High-Tech Entrepreneurship and Electrical Engineering at Princeton University since 2003. Other education-related interests includes social media-based fundraising experiments, such as LitLiberation, which outraised television host Stephen Colbert 3-to-1 with no fixed costs. Most recently, Tim used Twitter as a distributed tool for gathering data on post-campaign donations (see Tweet to Beat). Tim is on the advisory board of DonorsChoose.org, Evernote, StumbleUpon, Trippy, about.me, TaskRabbit and Uber. Tim has been invited to speak at some of the world’s most innovative organizations, including Google, MIT, Harvard Business School, Nike, PayPal, Facebook, The Central Intelligence Agency (CIA), Microsoft, Ask.com, Nielsen, Princeton University, the Wharton School and the Stanford Graduate School of Business. Tim has also been invited to speak and keynote at world-renowned technology summits including EG, FOO Camp, E-Tech, Supernova, LeWeb, and the Web 2.0 Exposition, where he shared the stage with figures like Eric Schmidt, Chairman of the Board of Google, and Jeff Bezos, Founder and CEO of Amazon. Tim received his B.A. degree from Princeton University in 2000, where he studied in the Neuroscience and East Asian Studies departments.
- Total investments:
- 47
- Last investment:
- Lead investor:
- 6%
Last updated:
For AI agents: llms.txt
Industries Timothy Ferriss invests in
Stages Timothy Ferriss invests in
Countries Timothy Ferriss invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $1M–$7M
- Series A
- $900k–$9.5M
Investment Focus
Industry
- Software 7 (15%)
- Health Care 7 (15%)
- E-Commerce 6 (13%)
- Finance 5 (11%)
- Fitness 4 (9%)
Stage
- Seed 19 (40%)
- Series A 12 (26%)
- Funding Round 4 (9%)
- Angel 3 (6%)
- Series C 3 (6%)
Country
- United States 36 (77%)
- Sweden 1 (2%)
- United Kingdom 1 (2%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Neko Health
|
Neko Health is a Swedish health-tech business. Its ambition is to build a healthcare system that can help people stay healthy by focusing on prevention and early detection. Neko has created a new medical scanning technology concept that allows for comprehensive and non-invasive health data collection that is both convenient and economical for thegeneral people. | $700M / Series C / Jul 15, 2026 | |
Harbor
|
Harbor is an infant care technology company that focuses on transforming the way to take care of young children and their families. | $7M / Seed / Sep 19, 2024 | |
Mentava
|
Mentava is a software development company that supports top-performing students to achieve their potential. | $3M / Seed / Apr 04, 2022 | |
Fractal
|
Fractal is an in-game asset and virtual world marketplace where users may find, purchase, and sell gaming NFTs. Fractal is headquartered in Solana, United States and was founded in 2021. | $35M / Seed / Apr 01, 2022 | |
AG1
|
AG1 (Athletic Greens) is a global health company with a mission to empower people to take ownership of their health through a focus on nutrition. The company's flagship product, AG1, is a research-backed daily health supplement that combines a high-quality multivitamin, probiotic, and more into a single scoop. AG1 is NSF Certified for Sport,one of the most rigorous independent quality and safety certification programs in the supplement industry, and a standard sought by many professional athletes, coaches, and trainers. Founded in 2010, AG1 has operations spanning North America, Europe, and Asia Pacific. | Angel / Jul 21, 2021 | |
|
AG1
|
AG1 (Athletic Greens) is a global health company with a mission to empower people to take ownership of their health through a focus on nutrition. The company's flagship product, AG1, is a research-backed daily health supplement that combines a high-quality multivitamin, probiotic, and more into a single scoop. AG1 is NSF Certified for Sport,one of the most rigorous independent quality and safety certification programs in the supplement industry, and a standard sought by many professional athletes, coaches, and trainers. Founded in 2010, AG1 has operations spanning North America, Europe, and Asia Pacific. | Jul 21, 2021 | |
OpenSea
|
OpenSea is a peer-to-peer marketplace for crypto collectibles and non-fungible tokens. It includes collectibles, gaming items, and other virtual goods backed by a blockchain. On OpenSea, anyone can buy or sell these items through a smart contract. | $23M / Series A / Mar 18, 2021 | |
Haus
|
Pay less, live more. Haus is on a mission to bring flexibility and affordability to home ownership. Instead of taking on a mortgage and debt, homeowners and aspiring buyers can partner with Haus to buy what they can afford. With this co-investing model, monthly payments are 30% lower on average, compared to a traditional mortgage. And, homeownershave the flexibility to buy and sell equity in real time.Haus is an Expa Studio company. Expa is a global network of entrepreneurs helping each other build companies with offices in San Francisco, New York, and Vancouver. | $4.1M / Seed / Jul 18, 2019 | |
milk + honey
|
milk + honey is a thriving collection of premier spa and salons in Austin and Houston, Texas, offering a full range of services including massage, facials, waxing, natural nail therapy, hair care, makeup application, and bridal packages in a modern, inviting space. Named one of Austin Business Journal's "Best Places to Work,"we're deeply committed to helping you achieve your personal and professional goals. We believe that happy employees, thorough training, wonderful service, and an encouraging environment result in happy clients who return often. | Venture - Series Unknown / Apr 29, 2019 | |
Hu Kitchen
|
A bit groggy, run-down, and over-caffeinated. Even though they were living a “healthy” lifestyle - no junk food, some exercise, and some label reading - they weren’t really thriving. So Jordan, their co-founder and corporate defector (he didn’t come from the food industry, but he’s in deep now), immersed himself in all things food: the gut-brainconnection, systemic inflammation, the impact of certain foods and additives on their health, and where potentially harmful things are hiding in their food supply. | Series A / May 15, 2018 | |
| See all 47 investments → | |||
Co-Investors
About Amazon
Amazon operates a vast online marketplace where customers can purchase a wide variety of products, including electronics, books, apparel, household goods, and more. The company has a robust logistics and delivery network, allowing efficient shipping and on-time delivery to customers.
Amazon Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Domenic Merenda
Head of Science and Engineering for Sponsored Display Non-Endemic
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Jonathan Rubinstein
Member of the Board of Directors
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Mark Smith
Startups Business
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Mark Smith
Startups Business
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Ned Curic
Vice President of Alexa Automotive
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FAQ
What does Timothy Ferriss invest in?
Timothy Ferriss invests primarily in Software, Health Care and E-Commerce startups, most often at Seed and Series A stage. Most of the 47 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Timothy Ferriss's check size?
Timothy Ferriss typically joins rounds of $1M–$7M at Seed and $900k–$9.5M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Timothy Ferriss participates in.
How do I contact Timothy Ferriss?
Public channels for Timothy Ferriss include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Timothy Ferriss last invest?
The most recent investment recorded for Timothy Ferriss closed in Jul 2026. Shizune tracks 47 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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