# Anja Tessarz

> Anja Tessarz is a startup investor at Charles River Laboratories International (Cologne). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Charles River Laboratories International](https://shizune.co/investors/profile/charles-river-laboratories-international)
- Location: Cologne, Germany
- Last updated: Aug 2026
- LinkedIn: https://de.linkedin.com/in/anja-tessarz-a8253a48

Anja Tessarz is a startup investor at Charles River Laboratories International in Cologne. Anja Tessarz is the Head R&D and Associate Director at Charles River Laboratories. Anja attended Universität Witten/Herdecke.

## About Charles River Laboratories International

VC Fund · Wilmington, United States

Charles River Laboratories International, Inc. provides solutions that accelerate the drug discovery and development process, including research models and associated services, and outsourced preclinical services. Segments The company has two segments: Research Models and Services (RMS) and Preclinical Services (PCS), which includes Phase Iclinical services. RESEARCH MODELS AND SERVICES (RMS) The company supplies research models to the drug development industry. With approximately 150 different strains the company engages in the production and sale of research models, principally genetically and virally defined purpose-bred rats and mice. It also provides various related services that are designed to assist customers in supporting the use of research models in drug development. With multiple facilities located on three continents (North America, Europe and Asia (Japan)), the company maintains production centers, including a total of approximately 180 barrier rooms or isolator facilities located near its customers. RMS segment comprises Research Models, Research Model Services, and other related products and services

5 contacts available at Charles River Laboratories International.

| Name | Title | Profile |
| --- | --- | --- |
| Anja Tessarz | Scientific Specialist Viral Clearance | https://shizune.co/investors/profile/anja-tessarz |
| Bill Jefferson | Business Development Director - Safety Assessment | https://shizune.co/investors/profile/bill-jefferson |
| Chris Lowrie | Senior Director, Lab Sciences | https://shizune.co/investors/profile/chris-lowrie |
| Gina Mullane | Sr. Vice President Client Experience and Chief Marketing Officer | https://shizune.co/investors/profile/gina-mullane |
| Greg Mason | Sr. Director, Global Category Procurement, Lab Operations | https://shizune.co/investors/profile/greg-mason-3 |

## FAQ

### 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