# Jon Guerster

> Jon Guerster is a Series E investor at Activate Capital Partners backing SaaS. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Activate Capital Partners](https://shizune.co/investors/profile/activate-capital-partners)
- Location: Boston, United States
- Total investments: 1
- Last investment: Jun 2023
- Lead investor: 100%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jon-guerster-284123
- Website: http://www.groomenergy.com/

Jon Guerster is a Series E investor at Activate Capital Partners in Boston focused on SaaS and Big Data. Jon Guerster is the Partner of Activate Capital. He attended Duke University.

## Contacts

5 contacts available for Jon Guerster: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/jon-guerster?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| SaaS | 1 | 100% |
| Big Data | 1 | 100% |
| Environmental Consulting | 1 | 100% |
| Business Information Systems | 1 | 100% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Tomorrow.io | Tomorrow.io develops a SaaS Weather intelligence platform that provides real-time weather forecasts. Fully customizable to any industry impacted by the weather, customers around the world including the NFL, Uber, Delta, Ford, National Grid, and more use Tomorrow.io to dramatically improve operational efficiency. Tomorrow.io was built from theground up to help teams predict the business impact of weather, streamline team communication and action plans, improve productivity, and optimize profit margins.Tomorrow.io has operations across North America, Latin America, Europe, and Asia. | $87M | Series E | Jun 14, 2023 |  |

1 of 1 investments shown.

## Co-investors
- [Canaan Partners](https://shizune.co/investors/profile/canaan-partners) — VC Fund, 1 deal together
- [Chemonics](https://shizune.co/investors/profile/chemonics) — VC Fund, 1 deal together
- [Clearvision Ventures](https://shizune.co/investors/profile/clearvision-ventures) — VC Fund, 1 deal together
- [Flybridge](https://shizune.co/investors/profile/flybridge-capital) — VC Fund, 1 deal together
- [JetBlue Ventures](https://shizune.co/investors/profile/jetblue-technology-ventures) — VC Fund, 1 deal together
- [Pitango VC](https://shizune.co/investors/profile/pitango-venture-capital) — VC Fund, 1 deal together

## About Activate Capital Partners

VC Fund · San Francisco, United States

Activate Capital is a growth equity partner to companies building smart, sustainable systems across the energy, transportation, and industrial technology markets. The firm aims to generate financial returns while contributing to this vision of the future by investing in entrepreneurial management teams in high growth companies using technology tomake the world more efficient, intelligent, and sustainable. The partners have collectively invested over $1 billion across their target sectors, resulting in 30 successful exits through IPO and M&A.

5 contacts available at Activate Capital Partners.

| Name | Title | Profile |
| --- | --- | --- |
| Anna Nitschke | COO | https://shizune.co/investors/profile/anna-nitschke |
| Anup Jacob | Managing Partner | https://shizune.co/investors/profile/anup-jacob |
| David Lincoln | Managing Partner | https://shizune.co/investors/profile/david-f-lincoln |
| Eric Meyer | Principal | — |
| Jon Guerster | Partner | — |

## Similar investors

### Similar stage
- [Krungsri Finnovate](https://shizune.co/investors/profile/krungsri-finnovate) — VC Fund
- [Munich Venture Partners](https://shizune.co/investors/profile/munich-venture-partners) — VC Fund
- [yet2Ventures](https://shizune.co/investors/profile/yet2ventures) — VC Fund

## FAQ

### What does Jon Guerster invest in?

Jon Guerster invests primarily in SaaS, Big Data and Environmental Consulting startups, most often at Series E stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Jon Guerster?

Public channels for Jon Guerster include LinkedIn 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 Jon Guerster last invest?

The most recent investment recorded for Jon Guerster closed in Jun 2023. Shizune tracks 1 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co