Meet Our Team

Director

Christopher Drake, PhD
Christopher L. Drake, PhD, FAASM, CBSM is a board-certified sleep specialist and internationally recognized expert in sleep and circadian rhythm disorders. He is professor of medicine at the Michigan State College of Human Medicine and serves as the Director of Sleep Research for Henry Ford Health where he oversees NIH and Industry clinical trials in insomnia, narcolepsy, idiopathic hypersomnia, sleep apnea, and depression. He is the Insomnia Section Editor for Principles and Practice of Sleep Medicine and serves as Associate Editor for SLEEP Advances and Behavioral Sleep Medicine. In 2022 he co-authored The Wisdom of Dreams: Science, Synchronicity, and the Language of the Soul, Routledge. He served as Chairman of the National Sleep Foundation from 2013-2014. and received the Distinguished Service Award from the Sleep Research Society in 2015. In 2016, Dr. Drake received the Pioneer Award from the Robert Wood Johnson Foundation. He has been funded by the National Institutes of Health since 2004 and has authored over 200 peer reviewed publications in the field. View a complete list of Dr. Drake’s published work in My Bibliography or view his Henry Ford profile here.

 

Founder

Thomas Roth PhD
Thomas Roth, PhD
Thomas Roth, PhD is founder of the Sleep Disorders and Research Center at HFH, Professor Emeritus in the Department of Psychiatry at Wayne State University School of Medicine, and a Clinical Professor Emeritus in the Department of Psychiatry at the University Of Michigan College Of Medicine in Ann Arbor. Some of Dr. Roth’s notable positions include President of the Sleep Research Society, Founding President of the National Sleep Foundation, Chairman of the National Center on Sleep Disorders Research Advisory Board of the National Institutes of Health, and member of the Board of Directors of the Associated Professional Sleep Societies. In addition, he is the former chairman of the World Health Organization’s worldwide project on sleep and health. His areas of interest include sleep loss, sleep fragmentation, and deviation from sleep processes including pharmacological effects and sleep pathologies. Dr. Roth has received the National Sleep Foundation’s Lifetime Achievement Award, a Distinguished Research Award from the Sleep Research Society, and the Nathanial Kleitman Award from the Academy of Sleep Medicine. He has authored over 850 publications throughout his career.

 

Principal Investigators

David Kalmbach
David Kalmbach, PhD
David Kalmbach, PhD is Co-Director of the HFH Perinatal Sleep Health Institute. He is a clinical psychologist and completed his postdoctoral residency at the University of Michigan Medical School in Behavioral Sleep Medicine and Perinatal Mental Health, after which he completed a 3-year fellowship in sleep research funded by the National Heart, Lung, and Blood Institute. He has received funding for research in insomnia, cardiometabolic disorders, psychiatric illness, and the treatment of sleep disorders in pregnant and postnatal women. He is a world-leading expert in perinatal sleep and mental health, and developed a mindfulness-based sleep program for pregnant women with insomnia. Dr. Kalmbach also leads research examining the relationship between sleep and suicide, and has published on how insomnia therapeutics may play a role in mitigating suicide-risk. Presently, Dr. Kalmbach is conducting an NIMH-funded clinical trial evaluating cognitive-behavioral and mindfulness-based sleep programs for pregnant women. View a complete list of Dr. Kalmbach’s published work in My Bibliography or view his Henry Ford profile here.

 

Philip Cheng
Philip Cheng, PhD
Philip Cheng, PhD is a licensed clinical psychologist who currently serves as an Associate Professor of Medicine for the Department of Sleep Medicine at Henry Ford Health, an Adjunct Research Associate Professor at the University of Michigan, and the Director of the Center for Behavioral Circadian Medicine. He is interested in sleep and circadian medicine because of its wide-reaching impacts on mental health, physical health, safety, and quality of life. Over his career, he has earned over a dozen awards for his excellence in research, student instruction, and actions towards equity, and is currently funded by multiple grants from the National Heart Lung and Blood Institute. Dr. Cheng has cultivated a program of research focused on the clinical translation of circadian science into practical and widely accessible tools and interventions. His primary contributions to science include investigations into sleep quality impacting symptoms of Major Depressive Disorder, novel uses of digital behavioral treatment of insomnia, the importance of sleep for stress regulation, and addressing disparities in insomnia and other health conditions as a result of racial discrimination. View a complete list of Dr. Cheng’s published work in My Bibliography or view his Henry Ford profile here.

 

Anthony N. Reffi, PhD
Anthony Reffi, PhD, is a licensed clinical psychologist and Co-Director of the Sleep and Trauma Clinical Research Institute. He leads a research program focused on the intersection of sleep and traumatic stress in acute trauma populations, with the goal of informing early interventions for PTSD and other posttraumatic sequelae. Dr. Reffi began his career working with responders to the September 11, 2001, terrorist attacks on the World Trade Center in New York before earning his doctorate in 2021. Through his clinical work providing first-line treatments for PTSD, he developed an interest in the role of sleep in trauma recovery that led him to complete a 3-year postdoctoral fellowship at Henry Ford Health’s Sleep Research Center. In addition to his role at the Sleep Center, Dr. Reffi co-directs the Sleep and Traumatic Stress Institute in Detroit. He serves as Associate Editor for the academic journals Stress and Health and the European Journal of Psychotraumatology and is on the Editorial Advisory Board for the journals Psychological Trauma and SLEEP Advances. He is also an active member of the Education Production Committee for the International Society for Traumatic Stress Studies. Dr. Reffi is currently funded by the American Academy of Sleep Medicine and the National Institute of Mental Health. 

View a complete list of Dr. Reffi’s published work in My Bibliography. or view his Henry Ford profile here.

 

Collaborating Co-Investigators

Timothy Roehrs PhD
Elle Wernette, PhD
Elle joined Henry Ford Health in August 2024 as a Research Scientist and Instructor. She received her PhD in Psychology from Michigan State University, with a background in sleep and circadian research. More specifically, her previous research involved practical intervention strategies for sleep loss- including light- and the role of sleep and sleep physiology on cognitive performance. Today, she helps coordinate research on sleep in night shift workers and light-based interventions for circadian misalignment. In her free time, Elle enjoys travelling, hiking, and spending time with her daughter.

 

Timothy Roehrs PhD
Gregory Mahr, MD
Gregory Mahr, MD is the Division Head of Consultation Liaison Psychiatry. He is on faculty at Wayne State University and Michigan State University. He has a long-standing interest in sleep and dreams. He and Chris Drake coauthored a book published in 2022 by Routledge titled The Wisdom of Dreams: Science, Synchronicity and the Language of the Soul. Dr. Mahr is involved in the Trauma Recovery program and runs a nightmare clinic in the sleep medicine program.

 

Post-Doctoral Fellow

Matthew Jennings, PhD
Matthew Jennings, PhD
Matthew B. Jennings, PhD, is a clinical research fellow with the Sleep Disorders and Research Center at Henry Ford Health. Based in Detroit, Michigan, he completed his doctoral training in clinical psychology at Wayne State University and his psychology internship at Henry Ford Health in 2025. Before beginning his formal education and research training, Dr. Jennings served 11 years in the United States Army as a Staff Sergeant, including 3 combat tours with the 10th Mountain Division as a crew member on UH-60 Blackhawk helicopters. His experiences with the protection of crew rest in military aviation highlighted the importance of sleep and influenced his interest in behavioral sleep medicine. Dr. Jennings’s research focuses on behavioral treatments for sleep disorders such as insomnia and shift work disorder, particularly in the context of chronic comorbidities including pain and major stressors. He has also published work on the development of clinical sleep technologies, barriers to real-world access to behavioral sleep medicine, and the evaluation of comparative treatments in complex populations. In addition to his research, he serves on the editorial advisory board for SLEEP Advances.

 

Clinical Psychology Doctoral Intern

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Miranda H. Foster, MA
Miranda H. Foster, MA, is a clinical psychology doctoral intern with Henry Ford Health’s Department of Sleep Medicine. Her research interests focus on the intersection between sleep quality and mental health with particular interests in neurodivergent communities and women. She is trained in clinical health psychology assessment and interventions for sleep and mental health disorders. Miranda earned her undergraduate psychology degree at the University of North Carolina at Chapel Hill and her masters degree in Clinical-Community Psychology at University of South Carolina through their PhD program. She is currently a doctoral candidate at the University of South Carolina and recently defended her dissertation on the relationships between sleep quality, autistic traits, and mental health in young adults.

 

Clinical Research Coordinators

Cynthia Fellman-Couture, PhD
Cynthia is a registered nurse who started with Henry Ford Health in November 2013 and has been delivering behavioral treatments for insomnia for many different research studies since then. Her specialties are Cognitive Behavioral Therapy for Insomnia (CBT-i), Mindfulness-Based Therapy for Insomnia (MBTI), and Mindfulness-Based Stress Reduction (MBSR). She is also a Research Coordinator and is occasionally involved with various drug trials. Her goal is to support her entire sleep research team and to help everyone she encounters through sleep research to find better sleep! She has her BSN (2011) from Wayne State University (second degree program) and a BS (1981 – Iowa State University), MS (1985 – University of Minnesota), and PhD (1989 – also U of Minnesota) in horticulture with specializations in tissue culture propagation and fruit crop development.

 

Heba Afaneh, MS
Heba joined the Research Assistant team within the Henry Ford Sleep Center in October 2023, assisting with the coordination of several pharmaceutical trials. In 2020, she graduated from Michigan State University receiving undergraduate degrees in Psychology and Gender Studies. She then went on to complete her Masters in Experimental Psychology at Oakland University. Heba has also worked on an NIH-funded intervention targeting colorectal cancer screening behavior among African Americans. She looks forward to continuing to pursuing her interest in minority health behavior in sleep medicine.

 

Marleigh Treger, BS
Marleigh is Dr. Cheng’s clinical research coordinator that oversees his research in cognitive behavioral psychology for insomnia, shift work disorder etiology and treatment, and improving sleep health of marginalized groups. Marleigh graduated summa cum laude from Eastern Michigan University in 2019 with a BS in Neuroscience with a minor in Human Biology and plans to continue to contribute to the improvement of public health. In his free time, he enjoys cooking, arranging music, and playing with his cat.

 

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Michaela Mogle, BS
Michaela graduated from Michigan State University in 2018 with a bachelor's degree in human biology and a minor in History, Philosophy, and Sociology of Science. She spent 6 years in Clinical Research at the University of Michigan Rogel Cancer Center, coordinating clinical trials in Adult and Pediatric Bone Marrow Transplant, Breast Oncology, Neuro Oncology, and Melanoma before joining Henry Ford’s Sleep Research Team in October 2024. She currently manages pharmaceutical trials focused on sleep and mood disorders. Outside of work, she enjoys reading, and hiking with her husband and dog.

 

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Mohammad Sibai, MA
Mohammad Sibai is currently a clinical psychology doctoral student at the University of Detroit Mercy. He graduated from the American University of Beirut with a B.A. in psychology and then went on to receive his M.A. in clinical psychology from Teachers College, Columbia University. He has previously worked as a research assistant at New York State Psychiatric Institute's Substance Use Division, helping carry out clinical trials studying substance use disorder treatments. His current areas of interest include the intersection of substance use and sleep.

 

Research PSG Technician

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Cezar Capili, RPSGT
Cezar joined the Henry Ford Sleep Research Center as a Polysomnographic Technologist in February of 2024. He started his career in Las Vegas, Nevada, and has been a registered polysomnography technician since 2022. Since joining the HFH team, Cezar has coordinated the training of research staff on PSG implementation and has worked on multiple NIH and pharmaceutical sponsored trials for sleep-related illnesses. Outside of work, he enjoys spending time with his family.

 

Project Leads

Lily B. Jankowiak, BS
Lily joined the Henry Ford Sleep Research Center as a Research Assistant in April 2023 following graduation from the University of Michigan - Ann Arbor with a B.S. in Biopsychology, Cognition, and Neuroscience (BCN) with a minor in Biochemistry. Previously working on clinical pharmaceutical trials for various sleep disorders, she now contributes to the development of the Henry Ford Health Trauma Recovery Center aimed to provide rehabilitative and counseling services to individuals who've suffered from acute traumas. Lily enjoys reading, rock climbing, and cooking in her free time.

 

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Atena Gutierrez Chavez, BS
Atena joined the Henry Ford Sleep Research Center as a Research Project Coordinator in June 2024 after graduating from Michigan State University with a Bachelor of Science in Human Biology. In her role, she is involved in various pharmaceutical trials focused on improving treatments for sleep disorders and postpartum depression. In her free time, Atena enjoys dancing, traveling, and attending concerts.

 

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Tiffany Xu, BS
Tiffany joined the Henry Ford Sleep Research Center as a Clinical Project Coordinator in May 2024, following her graduation from the University of Michigan with a B.S. in Biopsychology, Cognition, and Neuroscience (BCN). She is involved in various clinical pharmaceutical trials aimed at reducing the impact of sleep disorders through medication-based therapies, as well as supporting a trial focused on the treatment of postpartum depression (PPD). In her free time, Tiffany enjoys traveling, painting, and trying new foods.

 

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Cameron Mccray, BS
Cameron joined the Henry Ford Sleep Research Center as a Project Coordinator in June 2024. He earned his B.S. in Biopsychology, Cognition, and Neuroscience from the University of Michigan - Ann Arbor. As a member of the "Pharma team", Cameron contributes to various clinical pharmaceutical studies aimed at improving the lives of those with sleep disorders, as well as a study focused on treatment for Postpartum Depression. Notably, he is the lead project coordinator for the LunAIRo study and its subsequent extension, which evaluates the efficacy of a novel drug treatment for sleep apnea. Outside of work, he enjoys reading and spending time with his dogs.

 

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Andie Hochberg, BS
Andrea joined the Henry Ford Sleep Research Center as a Research Assistant in March 2025. She earned her B.S. in Biopsychology, Cognition, and Neuroscience from the University of Michigan - Ann Arbor. Passionate about women’s health, Andrea looks forward to contributing to studies that explore sleep issues affecting diverse female populations. She is currently involved in clinical pharmaceutical trials investigating treatments for various sleep disorders, with a particular focus on obstructive sleep apnea and shift work disorder. Outside of her research, Andrea enjoys reading, building puzzles, and watching films.

 

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Ishana Kapoor, BS
Ishana joined the Henry Ford Sleep Research Center as a Clinical Project Coordinator in June 2024 following graduation from Michigan State University with a dual B.S. in Genomics and Molecular Genetics and Psychology and a minor in Human Behavior and Social Services. She leads the COACH study, funded by NHLBI, that aims to enhance Digital CBT for Insomnia (dCBT-I) that fits patients' individual needs, increases treatment engagement, and closes that utilization gap. This aligns with her interests in Mindfulness, and overall well-being.

 

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Anna Pockrass, BS, BA
Anna joined the Henry Ford Sleep Research Center in August 2024 as a Project Coordinator after graduation from Indiana University with a B.S. in Psychology and a B.A. in Criminal Justice. She contributes to research that aims to identify mechanisms of Shift Work Disorder. After her tenure at Henry Ford Sleep Research Center, Anna hopes to earn a PhD in Clinical Psychology. Anna enjoys baking, reading, and spending time with her cat in her free time.

 

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Izza Peeran, BA
Izza joined the Henry Ford Sleep Research Center in May 2024 and graduated from Michigan State University with a B.A. in Psychology. She is a Project Coordinator, currently working on the REACT study, which examines sleep reactivity as a novel mechanism in Shift Work Disorder, and the PIVOT study, which tests a preventive intervention for insomnia and depression among individuals with lower socioeconomic position. She is passionate about bridging research and clinical practice, and plans to pursue graduate training, with the goal of advancing accessible, evidence-based mental health care and working with diverse populations. Outside of research, Izza enjoys reading, coloring to unwind, and traveling to explore new places and cultures.

 

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Courtney Barr, BS
Courtney joined the Henry Ford Sleep Research Center as a Research Project Coordinator in February 2025 following graduation from the University of Michigan with a B.S. in Neuroscience and Spanish. She leads the SAIL study, which focuses on the implementation of the Arcashift application to reduce circadian misalignment in night shift workers. In her free time, she enjoys reading, traveling and running.

 

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Amanda Yu, BS
Amanda joined the Henry Ford Sleep Research Center in January 2025 as a Project Coordinator after graduation from the University of Michigan with a B.S. in Biopsychology, Cognition and Neuroscience. She leads a study called STRIDE-P, funded by NIMH, which evaluates the real-world effectiveness and implementation of a mindfulness program (Perinatal Understanding of Mindful Awareness for Sleep- PUMAS) tailored to the pregnancy experience to improve maternal sleep, reduce stress, and foster the mother-child bond. This aligns with her interests in Mindfulness, and overall well-being.

 

Mika Hirata, BS
Mika has been with Henry Ford since January 2023, working as a clinical Research Assistant. She is currently the lead RA of the INSPIRE study and is also leading the Big Health Implementation study. She graduated from Michigan State University in 2022 with a BS degree in Psychology. She enjoys drawing, reading, and taking walks in her free time.

 

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Elizabeth Bolen, BA
Elizabeth joined the Henry Ford Sleep Research Center as a Research Assistant in June 2025. She earned her BA in Psychology and minor in Criminology/Criminal Justice from the University of Texas at San Antonio. Before moving to Michigan, she worked full-time in a trauma research laboratory. In her current role, she leads two studies; SENSE and Pre-SENSE, which focus on innovative ways to better assess and track sleep at home. After her tenure at Henry Ford Health, she hopes to earn a PhD in Clinical Psychology.

 

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David Pearson, MS
David joined the Henry Ford Sleep Research Center as a Research Assistant in January 2025 after graduating from Grand Valley State University with a M.S. in Health Informatics and Bioinformatics. He also obtained a B.S. in Human Biology from Michigan State University. He is currently a study lead on the Pre-SENSE and SENSE studies which both focus on using machine learning to better predict instances of sleep. Outside of work he enjoys playing pickleball, running and basketball.

 

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Mohsen Alsurimi, BS
Mohsen joined the Henry Ford Sleep Research Center as a Research Assistant in November 2024, after earning his B.S. in Kinesiology from Wayne State University. He is part of the Pharmaceutical Team, which focuses on addressing sleep-related disorders through pharmacological interventions. He is currently involved in the SOL study, which investigates medication-based therapies to reduce daytime sleepiness and improve alertness during night shifts. In addition to his work on SOL, Mohsen also assists with night shift tasks for the REACT and SENSE studies. Outside of work, he enjoys spending time with his family, weightlifting, and watching movies.

 

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