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Center for Care Delivery and Outcomes Research


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CCDOR Fellows

Patrick Hammett, MA, PhD


Patrick Hammett, MA, PhD is a social/behavioral epidemiologist with an interest in designing and evaluating smoking cessation interventions tailored to vulnerable populations. His current research focuses on identifying strategies for overcoming healthcare access and utilization barriers for smokers with serious mental illness.

Research Interests:

  • Behavioral Epidemiology
  • Smoking Cessation
  • Mental Health
  • Healthcare Access and Utilization
  • Quantitative Data Analysis


  • BA, Psychology, Colorado College, Colorado Springs, CO
  • MA, Psychology, College of William and Mary, Williamsburg, VA
  • PhD, Epidemiology, University of Minnesota, Minneapolis, MN

Google Scholar:

Lauren Mitchell, PhD

mitchell photo

Dr. Mitchell is a developmental psychologist, focused on identity and personality development in adulthood.  She uses longitudinal and mixed methods to examine identity and mental health through major life transitions.  Her research at CCDOR is focused on identity disruption among veterans reintegrating to civilian life after deployment. 

Research interests:
  • Identity development
  • Adulthood and aging
  • Personality
  • Mental health
  • BA, Psychology, Kalamazoo College, Kalamazoo, MI. 
  • PhD, Psychology, University of Minnesota, Minneapolis, MN.
Google Scholar:

Past CCDOR Fellows (last 5 years)

  Fellowship Year(s) Position after CCDOR Website
Elizabeth Goldsmith, MD, MS 2017-2019  Investigator, CCDOR Google Scholar Page
Helen Valenstein-Mah, PhD 2017-2018 Primary Care Mental Health Integration (PCMHI) Psychology Postdoctoral Fellow, Minneapolis VA Health Care System Google Scholar Page
Erika Pinsker, PhD, MPH 2016-2018 Research Scientist III, California Tobacco Control Program, California Department of Public Health Google Scholar Page
Rachel Hardeman, PhD, MPH 2014-2015 Research Associate, Division of Health Care Policy and Research, Mayo Clinic Google Site
Elisheva Danan, MD, MPH 2014-2016 Investigator, CCDOR
Assistant Professor, UMN Medical School
Staff Physician, Minneapolis VA
NIH Publication List
Sarah Lillie, PhD 2013-2016 Research Associate, CCDOR Google Scholar Page
Brittin Wagner, PhD 2012-2014 Research Associate, UMN