Request page removalAbout Michael Grinich
Michael Grinich is an entrepreneur, an angel investor and a board member based out of United States. They did their Bachelors from MIT. Their journey in the startup ecosystem started in 2013 through Nylas. Michael Grinich has founded 4 companies. They are currently acting as the founder of WorkOS and AuthKit. Prior to this, Michael Grinich co-founded Nylas. As an angel investor, Michael Grinich has a portfolio of 8 companies, focusing primarily on sectors like Enterprise Applications, Enterprise Infrastructure and 3 more sectors. They invest in companies across United States, United Kingdom and 1 more. Their most notable investments include companies like Lightdash and Polar. Michael Grinich is currently serving as a board member at Nylas, which they founded.
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Michael Grinich's Investments
Michael Grinich has invested in 8 companies. Their most recent investment was in Polar (Seed Round) on Jun 18, 2025. Their investments are primarily in Enterprise Applications, Enterprise Infrastructure and 3 more sectors. Their investment portfolio include companies in United States, United Kingdom and 1 more.Here is the list of recent investments by Michael Grinich:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Jun 18, 2025 | Seed | $10M | and 13 more | |
Jun 17, 2025 | Seed | $3.6M | ||
Dec 17, 2024 | Series A | $16.5M | and 10 more | |
Dec 04, 2024 | Series A | $18M |
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Michael Grinich's Portfolio Exits
Michael Grinich has 1 Portfolio Exit which is Positional.
Here is the detail of this portfolio exit:
Company | Description | Location | Total Funding | Founded Year | Exit Type | Exit Date |
|---|---|---|---|---|---|---|
Cloud based search engine optimization solutions for enterprises | Charleston (United States) | $5.2M | 2020 | Acquisition | Apr 03, 2025 |
Michael Grinich's Founded Companies
Here is the list of top founded companies by Michael Grinich:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Developer of APIs integrating email, calendar, contacts, and meeting functionalities | $175M | 2013 | Series C | San Francisco | |
Cloud based solutions for secure access control | $99M | 2019 | Series B | San Francisco | |
Cloud based authorization management platform | - | 2017 | Unfunded | San Francisco |
Michael Grinich's Board Memberships
Michael Grinich has 1 current board membership in Nylas.Here is the detail of this board membership:
Company | Description | Total Funding | Current Stage | Membership Status | Appointment Date | Cessation Date |
|---|---|---|---|---|---|---|
Developer of APIs integrating email, calendar, contacts, and meeting functionalities | $175M | Series C | CURRENT | Feb 19, 2015 | - |
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