Leadership
Link to: Zachary Parker![Zachary Parker](https://www.dlhcorp.com/wp-content/uploads/2021/01/Zach-Parker.jpg)
![Zachary Parker](https://www.dlhcorp.com/wp-content/uploads/2021/01/Zach-Parker.jpg)
Zachary Parker
President, Chief Executive Officer, and Board Director, DLH Corporation
DLHLink to: Kathryn JohnBull![Kathryn JohnBull](https://www.dlhcorp.com/wp-content/uploads/2021/01/Kathryn-JohnBull.jpg)
![Kathryn JohnBull](https://www.dlhcorp.com/wp-content/uploads/2021/01/Kathryn-JohnBull.jpg)
Kathryn JohnBull
Chief Financial Officer, DLH Corporation
DLHLink to: Mary Dowdall![Mary Dowdall](https://www.dlhcorp.com/wp-content/uploads/2023/11/Mary.Dowdall.400x400.jpg)
![Mary Dowdall](https://www.dlhcorp.com/wp-content/uploads/2023/11/Mary.Dowdall.400x400.jpg)
Mary Dowdall
President, Advanced Mission Solutions
DLHLink to: Diane Yarnell![Diane Yarnell](https://www.dlhcorp.com/wp-content/uploads/2023/11/Diane.Yarnell.jpg)
![Diane Yarnell](https://www.dlhcorp.com/wp-content/uploads/2023/11/Diane.Yarnell.jpg)
Diane Yarnell
President, Health IT
DLHLink to: Billy Burnett![Billy Burnett](https://www.dlhcorp.com/wp-content/uploads/2023/11/Billy.Burnett.400x400-1.jpg)
![Billy Burnett](https://www.dlhcorp.com/wp-content/uploads/2023/11/Billy.Burnett.400x400-1.jpg)
Billy Burnett
President, National Security Programs
DLHLink to: Jeanine Christian![Jeanine Christian](https://www.dlhcorp.com/wp-content/uploads/2020/11/Jeanine-Christian-headshot.jpg)
![Jeanine Christian](https://www.dlhcorp.com/wp-content/uploads/2020/11/Jeanine-Christian-headshot.jpg)
Jeanine Christian
President, Public Health & Scientific Research
DLHLink to: Dr. Sandra Halverson![Dr. Sandra Halverson](https://www.dlhcorp.com/wp-content/uploads/2021/04/Sandra-Halverson.jpg)
![Dr. Sandra Halverson](https://www.dlhcorp.com/wp-content/uploads/2021/04/Sandra-Halverson.jpg)
Dr. Sandra Halverson
Vice President, Chief Scientist
DLHLink to: Leslie Graves![Leslie Graves](https://www.dlhcorp.com/wp-content/uploads/2024/08/DLH.Leslie.Graves.jpg)
![Leslie Graves](https://www.dlhcorp.com/wp-content/uploads/2024/08/DLH.Leslie.Graves.jpg)
Leslie Graves
Senior Vice President, Human Capital Operations
DLHLink to: Kevin Wilson![Kevin Wilson](https://www.dlhcorp.com/wp-content/uploads/2020/02/kevin-wilson.jpg)
![Kevin Wilson](https://www.dlhcorp.com/wp-content/uploads/2020/02/kevin-wilson.jpg)
Kevin Wilson
Corporate Executive, Strategic Advisor
DLHLink to: David Affeldt![David Affeldt](https://www.dlhcorp.com/wp-content/uploads/2022/12/David-Affeldt-450-450x.jpg)
![David Affeldt](https://www.dlhcorp.com/wp-content/uploads/2022/12/David-Affeldt-450-450x.jpg)
David Affeldt
Corporate Strategic Technology Advisor
DLH