ABOUT US
Who We Are
Our Focus
We are a clinical-stage biopharmaceutical company leveraging our proprietary non-viral gene engineering technologies to create ground-breaking, life-saving cell and gene therapies.
Our broad genetic engineering platform technologies are advancing potentially better and safer treatments to patients with serious diseases — blood cancers like multiple myeloma, solid tumor cancers like breast and ovarian cancer, and rare genetic diseases in the liver.
The organization is comprised of passionate, innovative, and nimble, results-oriented people driven by science to develop better options for patients with cancer and genetic diseases.
Leadership Team
![](https://poseida.com/wp-content/uploads/2023/05/Kristin-Yarema-headshot-2.png)
Kristin Yarema, Ph.D.
President and Chief Executive Officer
![syed-rizvi](https://poseida.com/wp-content/uploads/2024/03/syed-rizvi-1.jpg)
Syed Rizvi, M.D.
Chief Medical Officer
![A headshot of Johanna Mylet](https://poseida.com/wp-content/uploads/2023/04/Johanna-Mylet-headshot.png)
Johanna Mylet, C.P.A.
Chief Financial Officer
![A headshot of Loren Wagner.](https://poseida.com/wp-content/uploads/2023/04/Loren-Wagner-headshot.png)
Loren Wagner
Chief Operations Officer
![A headshot of Devon J. Shedlock.](https://poseida.com/wp-content/uploads/2023/04/Devon-Shedlock-headshot.png)
Devon J. Shedlock, Ph.D.
Chief Scientific Officer, Cell Therapy
![blair-madison](https://poseida.com/wp-content/uploads/2024/03/blair-madison.jpg)
Blair Madison, Ph.D.
Chief Scientific Officer, Gene Therapy
![A headshot of Kristin Martin.](https://poseida.com/wp-content/uploads/2023/04/Kristin-Martin-headshot.png)
Kristin Martin
Chief People and Administration Officer
![A headshot of Harry J. Leonhardt.](https://poseida.com/wp-content/uploads/2023/04/Harry-Leonhardt-headshot-square.png)
Harry J. Leonhardt, Esq.
General Counsel, Chief Compliance Officer, and Corporate Secretary
![A headshot of Karen Basbaum.](https://poseida.com/wp-content/uploads/2023/04/Karen-Basbaum-headshot.png)
Karen Basbaum
Senior Vice President, Business Development
![Alexander-Chapman](https://poseida.com/wp-content/uploads/2024/03/Alexander-Chapman.jpg)
Alexander Chapman
Senior Vice President, Investor Relations and Corporate Communications
![A headshot of Lisa Portale.](https://poseida.com/wp-content/uploads/2023/04/Lisa-Portale-headshot.png)
Lisa Portale
Senior Vice President, Regulatory Affairs
![A headshot of Jeffrey W. Winkelm.](https://poseida.com/wp-content/uploads/2023/04/Jeff-Winkelbaum-headshot.png)
Jeffrey W. Winkelman, Ph.D., J.D.
Senior Vice President, Chief Patent Counsel