Appointments and Affiliations

• Faculty Member, Vaccine and Infectious Disease Division, and Public Health Sciences Division, 2001 - Present
• Faculty Member, Department of Biostatistics, University of Washington, 2001 - Present
• Director, Biostatistics, Bioinformatics and Epidemiology, Vaccine and Infectious Disease Division, 2013 – 2019
• Ross L. Prentice Professor, Department of Biostatistics, University of Washington, 2005 - 2006
• Assistant Professor, Department of Biostatistics, Harvard School of Public Health, 1998 - 2001
• Postdoctoral Fellow, Department of Biostatistics, Harvard School of Public Health, 1997

Education

• University of Washington, PhD, Biostatistics, 1996
• University of Washington, MS, Biostatistics, 1994
• University of Washington, BS, Mathematics, 1992

Honors and Awards

• ASA SPAIG Award for the Fred Hutch/Sanofi Pasteur academic/industry partnership. Citation: "For addressing critical public health concerns on safety and efficacy of a dengue vaccine through development and application of novel statistical methods," 2019
• Highly Cited Researcher list: Web of Science citation record in the top 1% of citations for the "Cross-Field" category (Clarivate Analytics), 2018, 2019.
• Fellow, American Statistical Association, 2014 
•  MERIT Award (R37) from the National Institute of Allergy and Infectious Diseases, National Institutes of Health, for the grant, “Statistical Methods in HIV Vaccine Efficacy Trials,” 2010
• Ross L. Prentice Professorship at the Department of Biostatistics, University of Washington, 2005-2006
• Senior Biostatistics Student Award, University of Washington, 1996
• School of Public Health and Community Medicine Outstanding Student Scholarship, University of Washington, 1995
• Honorary Donovan J. Thompson Award for outstanding performance as a student in biostatistics, University of Washington, 1994

Research Interests

• Causal inference
• Immune correlates of protection
• Preventive monoclonal antibody clinical trials
• Sieve analysis
• Survival analysis with competing risks
• Targeted learning statistical framework
• Preventive vaccine clinical trials