# Karen Cassidy

> Karen Cassidy is a startup investor at Partisan Management Group (Jacksonville). See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Partisan Management Group](https://shizune.co/investors/profile/partisan-management-group)
- Location: Jacksonville, United States
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/karenacassidy

Karen Cassidy is a startup investor at Partisan Management Group in Jacksonville. Ms. Cassidy began her career in a start-up at Johnson & Johnson, the Dermatological Division.She spent six years at Xerox, initially as Sales Operation Planning Manager for the U.S., then running worldwide operations for this function, followed by a two-year stint in the field as a Sales Manager.After this operating background, Ms.Cassidy joined Oak Investment Partners for seven years and subsequently co-managed Aetna’s Venture Capital Fund.Ms. Cassidy then returned to the operating side in 1991, assuming the CEO role at ImplaMed and VP Business Development roles at Symbiosis and Corvita, which were sold within a seven-year period.As Managing Director at Partisan Management, Ms. Cassidy has recruited and mentored the management team for each company and applied her sales, marketing, and business development expertise to the building of the company. Ms. Cassidy also manages the liquidity events for the Partisan Management companies.

## About Partisan Management Group

VC Fund · Evergreen, United States

Partisan Management Group is a highly successful, early stage venture capital investor in medical device companies.

2 contacts available at Partisan Management Group.

| Name | Title | Profile |
| --- | --- | --- |
| Karen Cassidy | Managing Director | https://shizune.co/investors/profile/karen-cassidy |
| Norman Weldon | Managing Director | https://shizune.co/investors/profile/norman-weldon |

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