PTFI Core Team
The PTFI leadership team brings a broad range of expertise and backgrounds from multiple academic disciplines along with the technology, philanthropy, and nonprofit sectors. We are all driven by solutions for people and the planet.
Leadership
![Selena Ahmed](https://foodperiodictable.org/wp-content/uploads/2024/03/Ahmed.jpg)
Global Director, PTFI; Dean, Food EDU American Heart Association
![John de la Parra](https://foodperiodictable.org/wp-content/uploads/2024/03/Leadership-John-de-la-Parra.png)
Director, Global Food Portfolio
The Rockefeller Foundation
The Rockefeller Foundation
![Tammy Gregory](https://foodperiodictable.org/wp-content/uploads/2024/03/Leadership-Tammy-Gregory.png)
Executive VP of Healthcare Business Solutions
American Heart Association
American Heart Association
![Gina Kennedy](https://foodperiodictable.org/wp-content/uploads/2024/03/Gina-Kennedy.png)
Principal Scientist
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Maya Rajasekharan](https://foodperiodictable.org/wp-content/uploads/2024/03/Maya-Rajasekharan.png)
Director of Strategy Integration and Engagement
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Roy Steiner](https://foodperiodictable.org/wp-content/uploads/2024/03/Leadership-Roy-Steiner.png)
Senior Vice President for the Food Initiative
The Rockefeller Foundation
The Rockefeller Foundation
![Steve Watkins](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Steve-Watkins.png)
Chief of Science & Technology
Founder, Verso Biosciences
Founder, Verso Biosciences
Team Members
![Elizabeth Arnaud](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Elizabeth-Arnaud.png)
Thematic Leader, Digital Inclusion
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Xue Feng](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Xue-Feng.png)
Senior Database Designer
American Heart Association
American Heart Association
![Jenny Johana Gallo Franco](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Jenny-Johana-Gallo-Franco.png)
Postdoctoral Fellow
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Sheila Jackson](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Sheila-Jackson.png)
Senior Program Manager
American Heart Association
American Heart Association
![Jenn Hall](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Jenn-Hall.png)
Chief, Data Science, Co-Director, Institute for Precision Medicine
American Heart Association
American Heart Association
![Holly Picotte](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Holly-Picotte.png)
Clinical Insights Director
American Heart Assocation
American Heart Assocation
![Lauren Rauscher](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Lauren-Rauscher-1.png)
National Executive of Mission Advancement
American Heart Association
American Heart Association
![](https://foodperiodictable.org/wp-content/uploads/2024/03/Joe-Tohme-PH.D.png)
Director, Crops for Nutrition and Health
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Sarah C. Brinkley](https://foodperiodictable.org/wp-content/uploads/2024/03/Secretariat-Sarah-C.-Brinkley-1.png)
Postdoctoral Fellow
Alliance of Bioversity International and CIAT
Alliance of Bioversity International and CIAT
![Jackie Bertoldo](https://foodperiodictable.org/wp-content/uploads/2024/03/Jackie-Bertoldo.png)
Senior Curriculum & Product Manager
![Kevin Cody](https://foodperiodictable.org/wp-content/uploads/2024/03/Kevin-Cody.png)
Senior Program Manager
R&D Technology
![Chi Ming Chien](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Chi-Ming-Chien.png)
Lead, Database Workstream
Co-founder, Verso Bioscience
Co-founder, Verso Bioscience
![Tracy Shafizadeh](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Tracy-Shafizadeh-1.png)
Director, Programs & Partnerships
Verso Biosciences
Verso Biosciences
![Troy Viss](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Troy-Viss-1.png)
Designer
Co-Founder, Verso Biosciences
Co-Founder, Verso Biosciences
![Jessica Prenni](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Jessica-Prenni-1.png)
Associate Professor, College of Agricultural Sciences
Colorado State University
Colorado State University
![Melanie Odenkirk](https://foodperiodictable.org/wp-content/uploads/2024/03/RD-Technology-Melanie-Odenkirk-1.png)
Research Scientist, Jessica Prenni Lab, College of Agricultural Sciences
Colorado State University
Colorado State University
Team Members
A coalition of the American Heart Association and the Alliance of Bioversity International and CIAT serves as the Secretariat for the PTFI, providing operational project management and facilitating a multi-stakeholder partnership. The Secretariat leads strategic engagements and communication strategies, positioning PTFI as a truly global, diverse, multi-sectoral, and culturally/geographically representative group of collaborators, partners, and stakeholders.
![Alliance Biodiversity & CIAT logo](https://ptfistaging.wpenginepowered.com/wp-content/uploads/2024/12/Alliance-Logo-Refresh-EN-color-1024x744.webp)