Management and Support
![](https://www.nasa.gov/wp-content/uploads/2023/08/michael-hesse-portrait-2024.png?w=745)
Michael Hesse, PhD
Director of the Science Directorate at NASA’s Ames Research Center, a position in the Senior Executive Service.
![](https://www.nasa.gov/wp-content/uploads/2023/08/acd24-0027-001.jpg?w=819)
![](https://www.nasa.gov/wp-content/uploads/2023/08/katharine-lee.png?w=588)
![Dr. J. Ryan Spackman, the Associate Director for Science and Strategy of the Science Directorate](https://www.nasa.gov/wp-content/uploads/2023/08/ryan-spackman-1.png?w=460)
Ryan Spackman, PhD
Associate Director for Science and Strategy of the Science Directorate at NASA Ames.
![Kara Martin, Assistant Director, Science Directorate](https://www.nasa.gov/wp-content/uploads/2023/08/kara-martin.jpeg?w=320)
![Ahleah Rohr Daniel](https://www.nasa.gov/wp-content/uploads/2019/12/acd19-0200_ahleah_rohr_daniel.jpg?w=731)
Ahleah Rohr Daniel, PhD, MPH, CIH
Assistant Director of Environmental, Health and Safety for the Science Directorate at NASA Ames.
![Logo for the Ames Science Directorate](https://www.nasa.gov/wp-content/uploads/2023/08/code-s-logo.png?w=1024)
Desireemoi Bridges
Executive Administrative Assistant to the front office for the Science Directorate at NASA Ames.
![](https://www.nasa.gov/wp-content/uploads/2023/08/acd24-0027-012.jpg?w=791)
Florian Schwandner, PhD
Division Chief of the Earth Science Division for the Science Directorate at NASA Ames.
![Jessica L. McCarty](https://www.nasa.gov/wp-content/uploads/2023/08/picture1.png?w=307)
Jessica L. McCarty, PhD
Deputy Division Chief (Acting) of the Earth Science Division for the Science Directorate at NASA Ames.
![Parag Vaishampayan](https://www.nasa.gov/wp-content/uploads/2021/10/parag_vaishampayan.jpg?w=480)
Parag Vaishampayan, PhD
Division Chief of the Space Biosciences Division for the Science Directorate at NASA Ames.
![Amela Zanačić](https://www.nasa.gov/wp-content/uploads/2021/10/amelazanacic.png?w=1024)
Amela Zanačić
Deputy Division Chief (Acting) of the Space Biosciences Division for the Science Directorate at NASA Ames.
![](https://www.nasa.gov/wp-content/uploads/2023/08/acd24-0027-020.jpg?w=791)
Estelle Dodson
Division Chief of the Space Science and Astrobiology Division (Acting) for the Science Directorate at NASA Ames.
![Dr. Chris Dateo, Deputy Division Chief, Space Science and Astrobiology Division (Code ST)](https://www.nasa.gov/wp-content/uploads/2023/08/chris-dateo.jpg?w=320)
Chris Dateo, PhD
Deputy Division Chief of the Space Science and Astrobiology Division for the Science Directorate at NASA Ames.