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Research Team

Graduate Students

Hannah Appleseth headshotHannah Appleseth, Doctoral Student, 2023

Hannah is a third-year clinical psychology graduate student from Iowa. She attended Buena Vista University where she earned her Bachelor of Arts in Psychology prior to earning an M.A. in Psychological Science at the University of Minnesota - Duluth. Here at OSU, her research interests focus on examining the dynamics of substance use through a multilevel perspective, focusing on the family system, healthcare access, and state-level policies. She plans to pursue a career in research at an academic medical center.


Grace Walker headshotGrace Walker, Doctoral Student, 2023

Grace is a first-year clinical psychology graduate student from Tulsa, OK. She attended Oklahoma State University where she earned a B.S. in Psychology. Her research interests focus on acute and chronic effects of substance use on marginalized populations, particularly Native American communities. Grace hopes to have a career with Native communities, possibly with tribal health centers.


Emily Warner headshotEmily Warner, Doctoral Student, 2023

Emily is a fifth-year clinical psychology graduate student from Omaha, NE. She attended the University of Nebraska-Lincoln, where she received a Bachelor of Arts in Psychology. Here at OSU, Emily's research interests include prescription drug misuse among college students, and substance use outcomes experienced by minority students. Emily hopes to continue onto a career in behavioral health at a medical center.



Undergraduate Students

Joshua Killion headshot


Joshua Killion, Undergraduate Assistant, 2023










Henry Marshall headshot


Henry Marshall, Undergraduate Assistant, 2023











Research Team Alumni

  • Emma Brett, Ph.D. 2019
  • Kasey Claborn, Ph.D. 2013
  • Rachael (Horton) Hopper, Ph.D. 2008
  • Elly Leavens, Ph.D. 2019
  • Melissa Leedy, Ph.D. 2005
  • Nate Lombardi, Ph.D. 2016
  • Ellen Meier, Ph.D. 2015
  • Josheph Mignogna, Ph.D. 2010
  • Melissa Mignogna, Ph.D. 2011
  • Mary Beth Miller, Ph.D. 2015
  • Chris Neumann, Ph.D. 2004
  • Ted Wagener, Ph.D. 2010
  • Cam Weaver, Ph.D. 2011
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