Principal Investigator

Mary Miller, PhD

Mary Miller, PhD

Bio

Dr. Miller received her doctorate in Clinical Psychology from Oklahoma State University after completing her clinical residency at the Brown University training consortium in 2015. She completed an NIAAA-funded postdoctoral fellowship at the Center for Alcohol and Addiction Studies at Brown University from 2015-2017 and began a faculty position at the University of Missouri in July 2017. Her research aims to enhance understanding of the etiology of substance use disorders in order to improve the effectiveness and efficiency of treatment. She is particularly interested in the interplay of substance use and sleep disorders and the process by which personalized feedback on one’s health and behaviors may facilitate behavior change.

Lab Manager/Project Coordinator

Nicole Hall, BA

Nicole Hall, BA

Bio

Nicole graduated from Westminster College in Fulton, Missouri in 2018. Following graduation, she performed clinical pediatric research for Florida International University, administering sports-based behavior modification therapy to children with ADHD, conduct disorder, and oppositional defiant disorder. Nicole’s area of research includes psychopathology and morality. She hopes to pursue her PhD in social or clinical psychology.

Graduate Students

Adam Everson, BS

Adam Everson, BS

Bio

Adam is a third-year graduate student pursuing a PhD in counseling psychology. He graduated from the University of Central Oklahoma in Edmond, OK with his master’s in counseling psychology. Adam’s research has focused primarily on addressing health discrepancies for sexual minority individuals, with his thesis research exploring the role of playing online video games for lesbian, gay, and bisexual gamers. Along with his role in the HIT Lab, Adam is also currently working on his dissertation, which is aimed at identifying differential trends in recreational anabolic steroid use between sexual minority men and heterosexual men and how these differential trends influence health outcomes. Adam is excited to have joined the HIT Lab to continue learning more about sleep interventions and how these interventions could play a role in substance use treatment programs.

Lindsey Freeman, BS

Lindsey Freeman, BS

Bio

Lindsey is a fourth-year graduate student pursuing a PhD in clinical psychology. She graduated from the University of North Carolina at Chapel Hill with a BS in psychology and a minor in biology. After graduation, she worked as a research assistant at the Center for Developmental Science in Chapel Hill on a NIDA-funded study, which involved investigating the relationship between sleep quality and cravings in a sample of people in recovery for substance use disorders. Lindsey came to the University of Missouri in 2017 to work with Dr. Tim Trull. She has started working on projects predicting substance use from momentary contexts and personality/mood variables measured in participants’ daily lives. Lindsey is excited to have joined the BAR lab and is excited to continue studying how sleep disturbance and substance use interact and influence one another.

Leticia Martinez, BS

Leticia Martinez, BS

Bio

Leticia is a doctoral candidate in counseling psychology at the University of Missouri. She earned her B.A. in psychology from the University of Colorado-Boulder in 2013 and worked as a project coordinator in the Neurodevelopmental Research Program at the University of Denver before starting graduate school. Leticia’s research interests include the vocational development, mental health, and well-being of Latinx populations. Her clinical interests include the intersections of mental and physical health, severe mental illness, and cognitive behavioral therapy. She has gained clinical experience in community mental health, private practice, and state hospital settings.

Research Assistants

Maddy Billingsley

Maddy Billingsley

Bio

Madison is a senior at Mizzou, where she is studying biology with a pre-med emphasis. She plans on attending medical school and entering the United States Air Force, where she hopes to specialize in trauma surgery.

Mariah Bourgouis

Mariah Bourgouis

Bio

Mariah is a junior at Mizzou originally from the Chicago-land area. Currently, she is receiving a bachelors of science in psychology and a minor in biology. She plans on attending medical school with aspirations of becoming a trauma surgeon and psychiatrist. In addition to the lab, she works as a patient sitter in the emergency department of the university hospital.

Shruti Gautum

Shruti Gautum

Bio

Shruti is a senior at Rock Bridge High School. She is interested in mental illness and neuroimaging. She is also a student researcher under Dr. Christine DeLorenzo of Stony Brook University where she works with MDD and associated treatment. Shruti is a member of PERIOD's Youth Advisory Council. Gautam believes that the most impactful change is both sustainable and localized, which is why she dedicates most of her advocacy towards public policy initiatives. She also pushes for more research in the menstrual health sphere to better understand the impact of period poverty on youth.

Katie Simonson

Katie Simonson

Bio

Katie is a junior at Mizzou, originally from Dallas, Texas. She is working on her bachelor’s degree in psychology and is particularly interested in mental illness. She hopes to earn her PhD in clinical psychology and practice various types of therapy.