# Ray Dalio > Ray Dalio, Founder, CIO Mentor, and Member of the Bridgewater Board. 4 investments on record. Source: https://millionrounds.com/person/ray-dalio (Millionrounds; every figure on the page links to its filing or article) Westport, US · Partner # Ray Dalio Founder, CIO Mentor, and Member of the Bridgewater Board Latest rounds - **SandboxAQ** Series E · $150M Apr 2025 - **Rimeto** Series A · $10M Aug 2019 - **Thrive Global** Series B · $30M Nov 2017 Backs *Healthcare* *IT Services* *Internet* *Cybersecurity* Profile summary - **Rounds named:** 4 last Apr 2025 - **Filings:** 1 with regulators - **Books:** 6 written What this record rests on - ✓ **Named in rounds** 4 rounds name them - ✓ **On filings** 1 filing with a regulator - **Linked to a firm** No firm on record - **Claimed** Not claimed yet Titles come from filings their firm signed. [Correct or remove](https://millionrounds.com/corrections?person=ray-dalio)[Is this you? Claim it](https://millionrounds.com/claim?person=ray-dalio) ## Rounds they were named in - **Rounds:** 4 - **Led:** 0 - **Disclosed:** $190M - **Active:** 2013–25 2025 - [SandboxAQ](https://millionrounds.com/company/sandboxaq) *Series E* **$150M** *US* Apr 2025 Joined · +5 investors 2019 - [Rimeto](https://millionrounds.com/company/rimeto) *Series A* **$10M** *US* Aug 2019 Joined · +3 investors 2017 - [Thrive Global](https://millionrounds.com/company/thrive-global) *Series B* **$30M** *US* Nov 2017 Joined · +12 investors 2013 - [Oh My Green!](https://millionrounds.com/company/oh-my-green) *Seed* *US* Jan 2013 Joined · historical By stage - Seed **1** - Series A **1** - Series B **1** - Series E **1** What they backed Healthcare **1** IT Services **1** Internet **1** Cybersecurity **1** Quantum Computing **1** AI **1** Alongside - [Advancit *1*](https://millionrounds.com/fund/advancit-capital) - [BNP Paribas *1*](https://millionrounds.com/fund/bnp-paribas) - [Beyond Alpha Ventures *1*](https://millionrounds.com/fund/beyond-alpha-ventures) - [Blue Pool *1*](https://millionrounds.com/fund/blue-pool-capital) - [Bow Capital *1*](https://millionrounds.com/fund/bow-capital) - Canvas *1* - [Female Founders Fund *1*](https://millionrounds.com/fund/female-founders-fund) - [Floodgate *1*](https://millionrounds.com/fund/floodgate) Rounds where a report named this person rather than a firm, matched on name: read it as a strong hint, not proof, since people share names. ## Where they are named on record Filings - SEC Form D · Company raising **Endless Mobile, Inc.** Director since 2016 Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date. ## Their books - Principles: Life and Work Ray Dalio · 2017 4.09 from 71,584 ratings on Goodreads About the book Ray Dalio, one of the world’s most successful investors and entrepreneurs, shares the unconventional principles that he’s developed, refined, and used over the past forty years to create unique results in both life and business, and which any person or organization can adopt to… On AmazonListen on Audible - Principles for Dealing with the Changing World Order: Why Nations Succeed and Fail Ray Dalio · 2021 4.26 from 18,557 ratings on Goodreads About the book From legendary investor Ray Dalio, author of the #1 New York Times bestseller Principles, who has spent half a century studying global economies and markets, Principles for Dealing with the Changing World Order examines history’s most turbulent economic and political periods to… On AmazonListen on Audible - A Template for Understanding Big Debt Crises Ray Dalio · 2018 4.34 from 3,058 ratings on Goodreads About the book On the 10th anniversary of the 2008 financial crisis, one of the world's most successful investors, Ray Dalio, shares his unique template for how debt crises work and principles for dealing with them well. This template allowed his firm, Bridgewater Associates, to anticipate… On AmazonListen on Audible - Principles for Navigating Big Debt Crises Hardcover Ray Dalio Ray Dalio · 2018 4.35 from 2,932 ratings on Goodreads About the book Ray Dalio, the legendary investor and international bestselling author of Principles - whose books have sold more than five million copies worldwide - shares his unique template for how debt crises work and principles for dealing with them well. This template allowed his firm,… On AmazonListen on Audible - How Countries Go Broke: The Big Cycle Ray Dalio · 2025 4.02 from 2,205 ratings on Goodreads About the book Do big government debts and fast rates of adding to them threaten our collective well-being? In this groundbreaking analysis, Ray Dalio, one of the greatest investors of our time and the #1 New York Times bestselling author of Principles, shares the reasons behind his fears for… On AmazonListen on Audible - Principles for Success Ray Dalio · 2019 4.27 from 1,448 ratings on Goodreads About the book An entertaining, illustrated adaptation of Ray Dalio’s Principles Principles for Success distills Ray Dalio’s 600-page bestseller, Principles: Life & Work, down to an easy-to-read and entertaining format that’s acces­sible to readers of all ages. It contains the key elements… On AmazonListen on Audible More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list). As an Amazon Associate we earn from qualifying purchases. ## Find people like Ray Filter every partner and angel by firm, kind, market and whether we watched them invest. Free with an account. Search people[How we know what we know](https://millionrounds.com/methodology)