# Kathleen Seibert

> Kathleen Seibert is a startup investor at Katalyst Ventures (San Francisco). See 0 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Katalyst Ventures](https://shizune.co/investors/profile/katalyst-ventures-management-llc)
- Location: San Francisco, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/kathleen-seibert-05629b55/

Kathleen Seibert is a Operations Manager at Katalyst Ventures. Kathleen previously worked at StepStone Group as a Office Manager and Executive Assistant. He attended San Diego State University.Kathleen supports Katalyst Ventures and their portfolio companies by overseeing day-to-day administrative operations and support for the partners and teammembers. She handles HR and bookkeeping, business/entity management, fund administration and audit support, event planning, vendor and facilities management, project management, and more.Kathleen started her career in banking and has a wide variety of experience in finance, operations and startup environments. Prior to launching with Katalyst she joined Susan Choe at Visionnaire Ventures in 2016. Other prior fund experience includes StepStone Global/Clairvue Capital.When she’s not at the office, you can find Kathleen (a trained pastry chef) in the kitchen or curled up with a book. She’s very passionate about fitness and loves outdoor adventuring and travel.

## Contacts

5 contacts available for Kathleen Seibert: 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/kathleen-seibert?utm_source=investor_profile

## About Katalyst Ventures

VC Fund · San Francisco, United States

Katalyst Ventures is a stage-agnostic venture fund investing in game-changing ideas and the entrepreneurs behind them leaders with ingenuity, grit, and devotion who build companies that last. They support innovators throughout their journey to realize the potential of their ideas with their collaborative approach to venture capital.

4 contacts available at Katalyst Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Chris Edell | Partner | — |
| Kathleen Seibert | Operations Manager | — |
| Susan Choe | Founder & Managing Partner | https://shizune.co/investors/profile/susan-choe |
| Jeannine Sargent | Operating Partner | — |

## FAQ

### How do I contact Kathleen Seibert?

Public channels for Kathleen Seibert include LinkedIn. 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.

### 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
