Appendix XIII: GAO Contacts and Staff Acknowledgments

GAO Contact

Timothy M. Persons, Ph.D., Managing Director, Science, Technology Assessment and Analytics (STAA)/Chief Scientist, at (202) 512-6888 or

Other Leadership on This Project

Brian Bothwell, Assistant Director, STAA

Jason T. Lee, Assistant Director, STAA

Key Contributors

Ellen Arnold-Losey, Senior Visual Communications Analyst

Jehan Chase, Senior Attorney

Juaná Collymore, Senior Cost Analyst

Jennifer Echard, Senior Cost Analyst

Emile Ettedgui, Senior Cost Analyst

Dani Greene, Senior Communications Analyst

Yvette Gutierrez, Senior Analyst

Cristian Ion, Senior Analyst

Anna Irvine, Senior Cost Analyst

Jessica Karnis, Senior Analyst

Jennie Leotta, Assistant Director

Anika McMillon, Visual Communications Analyst

John Ortiz, Senior Analyst

Carol Petersen, Senior Economist

Mary Weiland, Senior Cost Analyst