Medical & Clinical Psychology: The Grunberg Research Lab

Lab Ph.D. Alumni

listed in order of year Ph.D. was completed

For updates, please contact Erin Barry at:

David E. Morse (1984)
Ph.D. in Medical Psychology, "Endocrinological responses to the administration of nicotine interactions with drug initiation, conditioned effects, and conditions of stress".

David works at Parexel where he directs translational science programs for early-stage pharmaceuticals, biologics, and vaccines -- focusing on FIH (first-in-human) through POC (proof-of-concept) clinical trials. He also oversees primary development programs supporting therapeutics for oncology, neurology, dermatology, metabolic and psychiatric indications. He is a Matrix manager of 20+ staff. David can be contacted at:

Deborah J. Bowen (1986)
Ph.D. in Medical Psychology, "An examination of possible explanations for differential weight changes associated with pregnancy".

Deb is a Professor at Boston University in the School of Public Health. She is in charge of an eclectic group of social scientists, all focused on interventions to improve some aspect of the public's health. Her research focuses on interventions in disparity populations to improve cancer prevention and control. She mentors junior faculty and post and pre-doctorates in community based research. Mostly fun, always challenging. Deborah can be contacted at:

Stephen A. Talmadge (1989)
Ph.D. in Clinical Psychology, "Food consumption, restraint, and stress"

Steve became licensed as a psychologist in three different states after graduation. He was selected as a Diplomate of the American Board of Forensic Psychology in 1997. Steve retired from the USN in 2002 after serving as a clinical and forensic psychologist at various duty stations. After retiring from the Navy, he returned to school to get his law degree in 2006. His current legal work in Orlando, Florida involves 99% involuntary hospitalization complaints.

Suzan Winders Barrett (1990)
Ph.D. in Medical Psychology, "The effects of stress on levels of nicotine in the rat"

Suzan's division is responsible for providing mental health care to mentally ill veterans at the Cincinnati VA and six affiliated clinics in the Cincinnati area. She also provides behavioral medicine services (weight management, smoking cessation) at the main hospital. Suzan can be contacted at:

Kathryn A. Popp (1990)
Ph.D. in Medical Psychology, "Effects of swimming and access to sweet food on nicotine cessation induced weight gain"

Jane AcriJane B. Acri (1992)
Ph.D. in Medical Psychology, "Interactions of stress and nicotine on amplitude, pre-pulse inhibition, and habituation of the acoustic startle reflex"

Jane works at the National Institute of Drug Abuse where she is responsible for the preclinical assessment of the safety and efficacy of potential pharmacotherapies for substance use disorders. Jane can be contacted at:

Margarita Raygada (1992)
Ph.D. in Medical Psychology, "The role of hypothalamic insulin and dopamine in the anorectic effect of cocaine and d-amphetamine"

Margarita can be contacted at:

Yavin ShahamYavin Shaham (1992)
Ph.D. in Medical Psychology, "Conditioning factors in the relationship between stress and opioid self-administration in rats"

Yavin Shaham received his BS in 1986 and his MA in 1988 from the Hebrew University, Jerusalem. He then received his PhD in 1992 from USU. His postdoctoral training from 1992 to 1995 was at Concordia University, Montreal, in the laboratory of Dr. Jane Stewart. From 1996 to 1998 he was an investigator at the Addiction Research Center in Toronto and an Adjunct Assistant Professor at the Psychology Department of University of Toronto. During this time, his research was supported by extramural grants from NIDA/NIH (USA) and MRC (Canada). He joined the NIDA intramural program in 1998 where he is currently a tenured Branch Chief and a Senior Investigator. He also holds a cross-appointment as an Adjunct Professor at U of Maryland School of Medicine. In 2001 he received the NIDA Director's Award of Merit and in 2006 he received the Society of Neuroscience Jacob Waletzky award for innovative research in drug and alcohol addiction. He has published over 130 empirical papers, reviews, and commentaries, and his papers were cited over 10,000 times. He currently serves as a Senior Editor for The Journal of Neuroscience. He is also an editorial board member of the journals Biological Psychiatry, Neuropsychopharmacology, Psychopharmacology, and Addiction Biology. His group investigates the neurobiological mechanisms of relapse to heroin, alcohol, methamphetamine, and palatable food, as assessed in rat models. Yavin can be contacted at:

Mezzacappa, ElizabethElizabeth S. Mezzacappa (1993)
Ph.D. in Medical Psychology, "Group cohesiveness, deviation, stress, and conformity"

Elizabeth is a Scientist at Target Behavioral Response Laboratory at the Armaments Research, Development, and Engineering Center Department of Army at the Picatinny Arsenal in New Jersey. She tests the behavioral effectiveness of non-lethal weapons. She also designs methods for Live-Virtual-Constructive testing for human behavioral modeling and simulation; as a result she is lead inventor on an Army patent application on this process. Elizabeth is the only person you will meet that has nuns, astronauts, lasers, chocolate, weapons, breast-feeding, and brain imaging all on one CV. Dr. Mezzacappa received a 2012 Research Development Achievement Award for Outstanding Technical Achievement, the Army's top award for scientists and engineers. Elizabeth can be contacted at:

Kelly J. (Brown) Vander Ley (1997)
Ph.D. in Medical Psychology, "Examination of acute sensitivity to morphine and morphine self-administration following physical and environmental stressors in Lewis and Fischer-344 female rats"

Kelly works at RMC in Portland, Oregon on the evaluation of federal, state, and local programs on substance abuse prevention, substance abuse treatment, and mental health promotion. Kelly can be contacted at:

Laura C. Klein (1997)
Ph.D. in Medical Psychology, "Effects of early nicotine exposure in subsequent fentanyl consumption in female and male rats: An examination of the Gateway Hypothesis"

Laura is an Associate Professor of Biobehavioral Health at Penn State University where she conducts human and animal research on biobehavioral effects (e.g., immunological, endocrinological, behavioral) of stress on addictive drug use, and nicotine use vulnerability in adolescents. She trains PhD students with 7 PhD students trained to date and 4 more in lab currently. Laura can be contacted at:

Jon E. Popke Jon E. Popke (1997)
Ph.D. in Medical Psychology, "Effects of nicotine and ethanol on indices of reward and sensory-motor function: Implication for the relationship between cigarettes and alcohol"

works at Regeneron in Michigan where he is responsible for the safety assessment of new antibody therapeutics. A summarized professional biography can be found here: Jon can be contacted at:

Matthew A. Rahman (1999)
Ph.D. in Neuroscience, "Effects of prenatal exposure to nicotine on working memory, activity, sensory-gating, and dopamine receptor binding in adolescent and adult male and female rats"

Matthew can be contacted at:

Peter M. Scheufele (1999)
Ph.D. in Clinical Psychology, "The effects of progressive relaxation and music on attention, relaxation, and stress responses: An investigation of the cognitive-behavioral model of relaxation"

Peter is currently an Intern Training Director at El Camino Hospital in Mountain View, California where he oversees the development, administration, and supervision of hospital-based therapist training programs. Peter can be contacted at:

Nathaniel A. ApatovNathaniel A. Apatov (1999)
Ph.D. in Neuroscience, "Nicotine-induced anti-nociception in male and female Sprague-Dawley rats"

Nate is a Clinical Associate Professor and Director of the Nurse Anesthesia Program at Old Dominion University in Norfolk, VA. Nate received his PhD in Neuroscience (1999) and a MSN in Nursing (1998) from USU. He also holds a MHS (1990) in Nurse Anesthesia from Texas Wesleyan University. Prior to accepting the position at ODU, Nate was Associate Professor of Clinical Nursing and Associate Professor of Nurse Anesthesia at the University of Miami. He also holds concurrent positions as Visiting Associate Professor of Nursing at the University of North Florida and as Assistant Professor of Nursing at the Uniformed Services University.
In addition to his academic appointments, he is a highly qualified program director with over 18 years of experience managing both military and civilian nurse anesthesia programs. He is recognized nationally for his expertise in nurse anesthesia curriculum development and program evaluation. Likewise, he is a highly regarded and experienced educator whose primary concern is for student learning, particularly in the areas of pharmacology and pathophysiology.
Nate is a past president (2008-2009) of the National Board on Certification and Recertification of Nurse Anesthetists, and since 2003 has served as Chairman of the Council of Certification of Nurse Anesthetists. He is a past president of the Hawaii Association of Nurse Anesthetists, and is an active member of the American Association of Nurse Anesthetists, International Anesthesia Research Society, and the American Pain Society.
Nate can be contacted at:

Martha M. Faraday (2000)
Ph.D. in Medical Psychology, "The role of sex and strain in behavioral and biologic stress responses of rats"

Martha is a scientific review officer at the Center for Scientific Review, National Institutes of Health and also president of Four Oaks, INC., a consulting firm that focuses on systematic reviews, meta-analyses, methodological support for evidence-based practice guidelines, data analysis, and technical writing. Martha can be contacted at:

Casey Skvorc (2001)
Ph.D. in Medical Psychology, "Perception of personal well-being and occupational injuries in the federal correctional workforce"

Casey conducts occupational law, health and safety research, and behavioral health and safety assessments associated with high (BSL-3) and maximum containment (BSL-4) laboratories at the National Institutes of Health campus in Bethesda, and the Integrated Research Facilities at Fort Detrick, Maryland and Hamilton, Montana. He also is a graduate of the Washington School of Psychiatry Clinical Psychotherapy training program. Casey can be contacted at:

Jeffrey H. Cook (2001)
Ph.D. in Clinical Psychology, "Interaction of stress and anxiogenic drugs on behaviors of rats and antagonism with indomethacin"

Jeffrey is Director of Military Studies at the Center for Deployment Psychology which is affiliated with USU.

Bonnie R. (Yatko) Chavez (2003)
Ph.D. in Clinical Psychology, "Effects of stress and relaxation on time perception in humans"

Bonnie runs the Navy Behavioral Health Program, which includes policy, plans, oversight, training, surveillance, research, and coordination of suicide prevention activities in the Navy and advises senior leaders on Behavioral Health topics. She also works with the Navy Operational Stress Control Program that includes the policy, training, assessment, and communications aimed at building resilient Sailors, families, and commands and minimizing adverse impacts of stress. Bonnie can be contacted at:

Brenda M. Elliott (2005)
Ph.D. in Medical and Clinical Psychology, "Environmental enrichment, performance, and brain injury in male and female rats"

Jennifer M. Phillips (2005)
Ph.D. in Medical Psychology, "Effects of clozapine and alprazolam on cognitive deficits and anxiety-like behaviors in a ketamine-induced rat model of schizophrenia"

Jennifer works for the Center for Deployment Psychology which is affiliated with USU.

Joshua L. TomchessoJoshua L. Tomchesson (2006)
Ph.D. in Clinical Psychology, "The Effects of Environmental Enrichment on Body Weight, Food Consumption, and Physical Activity in Rats"

The photo is of Joshua at the Desk of Dr. Wilhelm Wundt at the University of Leipzig Germany. He is holding his cane and touching one of the Ebbinghaus memory training devices.

Joshua is an Air Force leader for all base mental health programs and services. He is responsible for individual, group assessments & treatment, leads outreach and prevention activities, conflict resolution, and provides command / leadership organizational consultation for 4,000 joint-service and civilian beneficiaries at the largest National Security Agency field site outside of the US. Joshua can be contacted at:

Christie Simpson-McKenzie (2008)
Ph.D. in Clinical Psychology, "Effects of repeated acute stress in obese and non-obese rats"

Christie oversees covert missions and fitness for duty evaluations. Christie can be contacted at:

Michael E. Perry (2009)
Ph.D. in Clinical Psychology, "Effects of acute and recurrent stress during adolescence on subsequent indices of adult behavioral health in rats"

Michael a U.S. Army LTC and is currently the Chief of the Office of the Command Psychologist-Forward, Fort Jackson, SC, with work involving operational psychology with the Army's Recruiting Command. He leads a team responsible for training performance enhancement and leader development principles to Soldiers entering all levels of Army recruiting, from basic recruiters to battalion and brigade commanders. Michael's work begins with a core curriculum tailored for students at the Army's Recruiting School, and extends to all 50 states with sustainment training provided at the unit level. Michael is also responsible for screening and selection of recruiters to ensure they are able to function effectively in highly demanding recruiting environment. One of Michael's recent accomplishments is the development of suicide prevention and risk reduction material which was adopted for implementation at the Recruiting School and throughout the command. Michael can be contacted at:,

Sarah Shafer BergerSarah Shafer Berger (2009)
Ph.D. in Medical & Clinical Psychology, "Behavioral and biological effects of prenatal stress and social enrichment: Relevance to heart disease"

Sarah is working with Marian Tanofsky-Kraff Ph.D. at NICHD and USU with human research on preventing childhood obesity and loss of control eating in adolescent girls. She also has a part-time clinical practice.

Stephanie M. LongStephanie M. Long (2010)
Ph.D. in Clinical Psychology, "Effects of exercise training and social environment on stress resilience in male and female Long-Evans rats"

I'm currently deployed to JTF GTMO as the Joint Stress Mitigation and Restoration Team (JSMART) officer in charge (OIC). I've been the primary mental health provider for approximately 1800 JTF personnel for the past 5 months with 6 mental health technicians working for me. My team and I do everything related to mental health, from outreach, prevention, and command consultation services to more traditional mental health clinic services in an operational environment. Stephanie can be contacted at:

Kristen R. HamiltonKristen R. Hamilton (2010)
Ph.D. in Medical Psychology, "Impulsive action, psychological stress, and behavioral sensitization to nicotine in a rat model of impulsivity"

Kristen is a postdoctoral fellow at the University of Maryland. She is working on impulsivity research in the Center for Addictions, Personality, and Emotion Research (CAPER) under Dr. Carl Lejuez. Kristen can be contacted at:

Amy K. StarosciakAmy K. Starosciak (2010)
Ph.D. in Neuroscience, "Effects of stress and social enrichment on alcohol intake, biological and psychological stress responses in rats"

The Adaptive Neural Systems Laboratory is comprised of scientists and engineers who design and develop technology to offset the effects of limb amputation, orthopedic injury and disease, and other neurodegenerative diseases. By applying a multifaceted approach, the laboratory investigates the effects of trauma and disorders of the nervous system to replace damaged or lost functionality or to repair the system using advanced adaptive devices and therapeutic techniques. For more information, see Amy can be contacted at:

Cynthia Rose (2010)
Cynthia Rose Ph.D in Clinical Psychology, "The effects of recurrent stress and a music intervention of tumor progression and indices of distress in an MNU-induced mammary cancer in rats"

Cynthia can be contacted at:

Angela Yarnell (2013)
Angela Yarnell Ph.D. in Medical Psychology, "Characterization of psychological and biological factors in an animal model of Warrior Stress."

Angela Yarnell attended Indiana University of Pennsylvania on a Reserve Officer Training Corps (ROTC) Scholarship, where she earned degree B.S. in Criminology and Psychology ( 2005). After college, she commissioned as a 2nd Lieutenant in the Army's Medical Service Corps and served as a medical treatment platoon leader, medical supply officer, and a company executive officer. She was assigned to the 2d Stryker Cavalry Regiment, stationed at Ft Lewis, WA and Rose Barracks, Germany, and served for 15 months in Iraq. She earned a PhD in Medical Psychology (2013) from USU. Ang's research activities at USU focused on animal models of brain injury and stress, including psychological and biological effects of brain injury and stress as well as investigations of novel treatments for brain injury and biomarkers for injury detection. CPT Yarnell is a founding member of the Bushmaster Research Activities Group (BRAG) at USU, a collaboration between the Grunberg Laboratory and the Department of Military and Emergency Medicine (MEM), dedicated to improving the development and training of the nation's uniformed medical leaders, through the application of research and scientific rigor to evaluation of the leadership program at USU. Dr. Yarnell is currently an Army Research Psychologist in the Behavioral Biology Branch of the Center for Military Psychiatry Neuroscience Research at the Walter Reed Army Institute of Research (WRAIR) in Forest Glen, MD. Angela can be contacted at