Cristina Rabadán-Diehl

Associate Director


Cristina Rabadán-Diehl, PharmD, PhD, MPH, an Associate Director for Clinical Research, joined Westat in 2018 after a 25-year career at the NIH and HHS. She is a multidisciplinary scientist with vast experience in chronic noncommunicable diseases and global health. Rabadán-Diehl serves as a scientific lead in several projects in addition to developing partnerships with domestic and international government and nongovernment stakeholders. A native Spanish speaker with a long-term commitment to Hispanic health, Rabadán-Diehl promotes Westat’s commitment to improving lives through research, particularly in the U.S. and the Americas.

In 2021, Rabadán-Diehl was invited to be part of SAMHSA’s Partnerships for Equity initiative. As a member of the Partnerships for Equity Hispanics/Latinos subgroup, she works with that team to identify projects that will make a significant impact at the community level.

In 2020, Rabadán-Diehl was appointed a member of SAMHSA’s National Advisory Council, which advises, consults with, and makes recommendations to HHS to improve treatment, prevention, and related services to individuals with respect to substance use and mental illness. She is also a member of the Alcohol and Other Drug Abuse Advisory Council in Montgomery County, Maryland, and an Ambassador for Shatterproof, a national organization to help reduce the stigma of opioid addiction. She is a Professorial Lecturer at the Milken Institute School of Public Health, George Washington University, where she teaches Global Health Diplomacy.


  • PharmD, Pharmacy and Biochemistry, Universidad Complutense (Madrid, Spain)
  • PhD, Molecular Biology and Biochemistry, University of Miami
  • MPH, Social and Behavioral Sciences, Johns Hopkins University


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