Participate in a Study!Meet Our Team


Grandner Michael A. Grandner PhD MTR CBSM FAASM FAHA

Director, Sleep and Health Research Program
Director, Behavioral Sleep Medicine Clinic

Associate Professor of Psychiatry, College of Medicine
Associate Professor of Medicine, College of Medicine
Associate Professor of Psychology, College of Sciences
Associate Professor of Nutritional Sciences, College of Agriculture and Life Sciences

Associate Professor of Clinical Translational Science

Dr. Grandner is the Director of the Sleep and Health Research Program at the University of Arizona, Associate Professor in the Departments of Psychiatry and Medicine in the College of Medicine, Associate Professor of Psychology in the College of Science, Associate Professor of Nutritional Sciences in the College of Agricultural and Life Sciences, and Associate Professor of Clinical Translational Science. He is a licensed Psychologist and Certified in Behavioral Sleep Medicine by the American Board of Sleep Medicine and a diplomate in Behavioral Sleep Medicine by the Board of Behavioral Sleep Medicine. He directs the Behavioral Sleep Medicine Clinic. He is a member of the Sarver Heart Center, the Hispanic Center of Excellence, and a faculty member of the Graduate Inter-Disciplinary Programs in Neuroscience and Physiological Sciences.

His research focuses on how sleep and sleep-related behaviors are related to cardiovascular disease, diabetes, obesity, neurocognitive functioning, mental health, and longevity. Specific areas of focus include: (1) Downstream cardiovascular, metabolic, and behavioral health outcomes associated with insufficient sleep, (2) Upstream social, behavioral, and biological determinants of insufficient sleep, and (3) Development and implementation of behavioral interventions for sleep as a domain of health behavior.

Dr. Grandner has published over 250 articles and chapters on issues relating to sleep and health, is Associate Editor of the journal Sleep Health and the editorial boards for SLEEP, Sleep Medicine, Journal of Sleep Research, Behavioral Sleep Medicine, and Frontiers in Neuroscience: Sleep and Circadian Rhythms. He serves on both the Mental Health Task Force and the Sleep and Wellness Task Force for the NCAA, was a member of the mental health consensus conference of the International Olympic Committee, and has partnered with a number of athletic, health, and corporate organizations. He is a regular lecturer on topics related to sleep and health for students, patients, corporations, and athletes, has been invited multiple times to the National Institutes of Health, and has presented for the US Congress (twice). His research has been profiled in hundreds of national and international news outlets, TV programs, magazines, and newspapers.

He has received awards and honors for his work from the Society of Behavioral Sleep Medicine, Sleep Research Society, American Academy of Sleep Medicine, American Heart Association, Population Association of America, Sleep Research Network, and other groups. He is an elected fellow of both the American Academy of Sleep Medicine and the American Heart Association. He has also received two separate Outstanding Professor Awards for his teaching.

Read Dr. Grandner's current CV or contact Dr. Grandner directly.

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AcunaTommy K. Begay PhD MPH

Research Assistant Professor, Psychiatry

Dr. Begay is a Research Assistant Professor in the Department of Psychiatry, College of Medicine, University of Arizona. He is a Cultural Psychologist by academic training, focusing on the interrelationship of biology, environment, and culture, to understand human behavior as applicable to health and wellness. Dr. Begay’s research interests include Native American health, especially in relation to the impact of American Indian historical trauma, and the subsequent evolution of intergenerational, maladaptive coping behaviors that contribute to the disproportionately high rates of stress-related chronic diseases, cancer, interpersonal violence, accidents, substance abuse, and addiction – all major contributing factors to the contemporary health and wellness of American Indians and Alaska Natives. Of particular interest, is the use of psychoneuroimmunology to assess the health impact of chronic stress, and associated pathophysiological processes. As an Instructor, Dr. Begay has taught the following courses: American Indian Medicine and Wellness, Cultural and Linguistic Diversity in Exceptional Learners, Drugs and Society, Human Sexuality, Health Education Intervention Methods, and Contemporary Community Health.

AcunaCristina Garcia PhD

Clinical Assistant Professor, Psychiatry

Dr. Garcia is a licensed clinical psychologist with expertise in serious mental illness (SMI). She is currently pursuing her certification as a Diplomate of Behavioral Sleep Medicine and is interested in the application of sleep disorder interventions in the SMI population. In her position at Banner-University Medical Center, she serves community members at the Whole Health Clinic and the Early Psychosis Intervention Center emphasizing treatment of sleep disorders. Dr. Garcia earned her BA at the University of Miami. She completed her PhD at the University of Maryland, College Park and her pre-doctoral internship and post-doctoral fellowship at the Albuquerque VA. She enjoys being outside, cooking and eating, traveling, and walking her sweet Pitbull mix, Fancy.

AcunaDenise Rodriguez Esquivel PhD

Clinical Assistant Professor, Psychiatry

Dr. Rodriguez Esquivel is a clinical psychologist specializing in behavioral sleep medicine for the treatment of insomnia, circadian rhythm disorders, and cPAP adherence. She is a clinical supervisor in the doctoral clinical psychology internship at the University of Arizona, supervising psychology interns in the Behavioral Sleep Medicine and Outpatient Psychotherapy clinics. She completed her PhD in clinical psychology with a health focus at the University of Miami in Coral Gables, Florida, and her internship and postdoctoral residency were completed at the Albuquerque VA Medical Center in New Mexico. Dr. Rodriguez Esquivel has also worked as primary care psychologist, specializing in work on adjustment disorders, bereavement, and depressive and anxiety disorders.


ArmentaDenisse Armenta

Denisse is a clinical research coordinator. She is a recent respiratory therapy graduate. She assists study coordinators with all clinical study procedures and data collection. Denisse will be joining the NoCHeS project and is excited to partake in a project in her hometown.

AcunaRachel Briggs

Research Coordinator

Rachel has worked for nonprofits for the last several years, most recently supporting people living with HIV. She is currently pursuing a masters in Human Rights Practice and is excited to continue to support the local community while working at the University.

ClarkeMadison Clarke

Madison Clarke is a Mental Performance Consultant and professional member of The Canadian Sport Psychology Association. Madison pursued her post-secondary studies at the University of Ottawa where she obtained a Major in Communication and Minor in The Social Determinants of Health. Madison furthered her studies by earning a Master's in Human Kinetics - Intervention and Consultation which focused on the field of sport psychology. Madison is also a former varsity track and field athlete. Madison competed nationally in events ranging from the 600m to 1500m. Madison is passionate about mental performance, wellness, and sport.

DelgadilloMarcos Delgadillo

NOCHES Study Coordinator

Marcos graduated from the University of Hawaiʻi at Mānoa with a B.A. in Spanish and a B.S. in Family Sciences & Human Development and is currently pursuing a B.S. in Nursing. After coming back to Arizona, he joined the staff as a Research Coordinator for the NoCHeS project in Santa Cruz County. He hopes to get more involved in the Nogales community with this research and bring to light the lack of medical resources. Marcos enjoys spending time with friends and family, traveling, hiking, and trying new restaurants during his free time.

MillsHannah Gannon

Hannah Gannon is a Research Assistant for the WISH Study in Phoenix, Arizona. She graduated from Baylor University with a B.S. in Health Science Studies in May 2020. She hopes to continue expanding her understanding of clinical research and its relation to healthcare delivery and eventually attend Medical School. In her free time, Hannah enjoys hiking, traveling, and trying new restaurants.

MillsJonathan Mills

Jonathan Mills graduated with an M.A. in Sport & Performance Psychology from the University of Denver in June 2022, and joined the SHRP to assist with research related to sleep and performance for athletes. Jonathan also works as a Clinic Assistant at the Professional Psychology Clinic, a community mental health clinic at the University of Denver. Previously, Jonathan graduated with a B.A. in Business Administration from the University of Oregon and spent five years working in business strategy and analytics for Harris Blitzer Sports & Entertainment. Jonathan plans to pursue a PhD in clinical psychology in the near future.

OrtegaSarah Ortega

Business and Grants Manager

Sarah Ortega is the Business Manager in the Psychiatry Department at the University of Arizona. She oversees departmental financial activities including funding, purchasing and budgets. Sarah has been with the University of Arizona for 13 years and with the Psychiatry Department for 3 years.

OsmanTaylor Osman

Taylor Osman is a research assistant within the Sleep and Health Research Program. She attended the University of California, Berkeley, where she graduated from in 2019 with two bachelor's degrees (one in cognitive science and another in English) and a High Distinction in General Scholarship. She loves writing, art, astronomy, nature, psychology, and working with kids. During her sophomore, junior, and senior years at UC Berkeley, she acted as a research assistant within Dr. Alison Gopnik's Cognitive Development and Learning Lab, where she studied causal reasoning in three- to five-year-old children under Dr. Mariel Goddu. She was awarded an Undergraduate Research Apprentice Program scholarship in the summer of 2018. She wants to study sleep, mood disorders, and learning disabilities. She wants to attain a PhD in clinical psychology and ultimately achieve her dream of acting as a college professor.

WillsChloe Wills

Program Manager / Lab Manager

Chloe Wills is the Program Coordinator for the Sleep and Health Research Program. She trains and manages all students in the lab, along with helping to coordinate and perform research studies, organize events, and facilitate lab communications. Chloe graduated from the University of Arizona in May 2019 with a Bachelor’s Degree in Neuroscience and Cognitive Science, and worked as a Research Assistant for the SHRP (while juggling a position as an Assistant Manager at a movie theater) during her undergraduate career. Chloe’s main research interests are in the relationship between sleep, cognition and emotion, memory, and behavioral health. She hopes to attend graduate school in the near future.

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