Request page removalAbout Tim Sadler
Tim Sadler is an angel investor and an entrepreneur based out of London, United Kingdom. They did their Masters from Imperial College London. Their journey in the startup ecosystem started in 2013 through Tessian. Tim Sadler has founded 2 companies. They are currently acting as the, and as the co-founder of Proofpoint. Prior to this, Tim Sadler co-founded Tessian. As an angel investor, Tim Sadler has a portfolio of 9 companies, focusing primarily on sectors like Enterprise Applications, Enterprise Infrastructure and 2 more sectors. They invest in companies across United Kingdom, United States and 1 more. Their most notable investments include companies like m3ter and Tracebit. In the past, they have acted as a board member of Tessian.
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Tim Sadler's Investments
Tim Sadler has invested in 9 companies. Their most recent investment was in SuperPlane (Seed Round) on Jun 24, 2026. Their investments are primarily in Enterprise Applications, Enterprise Infrastructure and 2 more sectors. Their investment portfolio include companies in United Kingdom, United States and 1 more.Here is the list of recent investments by Tim Sadler:
Date | Company | Round | Round Amount | Co-Investors |
|---|---|---|---|---|
Jun 24, 2026 | Seed | $2.6M | ||
Apr 23, 2025 | Seed | $7.5M | ||
Dec 02, 2024 | Seed | $3M | ||
Aug 09, 2024 | Seed | $5.02M | and 4 more |
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Tim Sadler's Portfolio Exits
Here are the details of all portfolio exits by Tim Sadler:
Company | Description | Location | Total Funding | Founded Year | Exit Type | Exit Date |
|---|---|---|---|---|---|---|
Platform offering SaaS based utility price management platform | London (United Kingdom) | $31.5M | 2020 | Acquisition | Jun 10, 2026 | |
Provider of workforce optimization tools for customer service teams | London (United Kingdom) | $5M | 2020 | Acquisition | Oct 15, 2024 |
Tim Sadler's Founded Companies
Tim Sadler has founded 2 companies namely Tessian and Proofpoint.
Here are the details of all founded companies by Tim Sadler:
Company | Short Description | Total Funding | Founded Year | Current Stage | Location |
|---|---|---|---|---|---|
Provider of cybersecurity software for email collaboration and data protection | $182M | 2013 | Acquired | Boston | |
Provider of artificial intelligence platform for enterprise email network security | $3.2M | 2013 | Early Stage | United States |
Tim Sadler's Board Memberships
Tim Sadler has 1 past board membership in Tessian.Here is the detail of this board membership:
Company | Description | Total Funding | Current Stage | Membership Status | Appointment Date | Cessation Date |
|---|---|---|---|---|---|---|
Provider of cybersecurity software for email collaboration and data protection | $182M | Acquired | PAST | Jan 14, 2013 | Feb 24, 2016 |
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