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SPeCTRE Team Members

Meet the team of faculty and staff who lead the Sunflower Pediatric Clinical Trials Research Extension (SPeCTRE) at KU Medical Center. 

Questions? Contact Kristina Foster | (913) 588-6393

Ann Davis, Ph.D., MPH, ABPP
Ralph L. Smith Professor of Pediatrics, Vice Chair of Research

Dr. Ann Davis is a board-certified pediatric psychologist, an elected member of the Society for Pediatric Research, a Fellow of the American Psychological Association and The Obesity Society and the 2019 Past President of the Society of Pediatric Psychology, Division 54 of the American Psychological Association. She has received numerous grants from the National Institutes of Health in the areas of pediatric obesity and pediatric feeding and enjoys mentoring students and trainees in these areas.

Edward Ellerbeck, MD, MPH
Chair of the Department of Population Health, professor of Internal Medicine

Dr. Ed Ellerbeck serves as the Senior Faculty Development Leader for SPeCTRE - the Kansas ECHO ISPCTN site. He has conducted a variety of studies using direct observation and structured interviews to map processes of care delivery. He co-developed a robust rural primary care research network. He has leveraged that primary care research network to develop, implement and test strategies to improve smoking cessation, obesity treatment and cancer screening.

Kristina Foster, MS, RN, APRN-BC
Senior Clinical Research Nurse Coordinator, Department of Pediatrics



Kristina Foster is the Clinical Research Nurse Coordinator for SPeCTRE. Prior to joining the KS ISPCTN site, she was a pediatric nurse with a variety of mostly clinical specialties over 28 years. She was an advanced practice nurse in oncology, a clinical nursing instructor and a wound/ostomy manager to name a few and worked in locations from University of Chicago to Children's Mercy Kansas City, and Lucile Packard Children's Hospital at Stanford, Palo Alto, CA. 

Gretchan Homan, MD
Associate Professor, Department of Pediatrics, Director of Community Relations and Philanthropy

Dr. Gretchan Homan is a junior investigator with SPeCTRE and is excited to help bring pediatric clinical trials to rural Kansas. She is the president-elect for the Kansas Chapter of the American Academy of Pediatrics (KAAP) and was the chair for the Immunize Kansas Coalition (IKC). Dr. Homan's interests are in preventive healthcare and she has helped lead several immunization projects supporting quality improvement (QI) work around the HPV vaccine for Kansas with KU, KAAP, AAP and IKC and with support from the American Cancer Society (ACS). 

Lisette Jacobson, Ph.D., MPH, MA

Dr. Lisette Jacobson's research interests include translational and behavioral research in women's health focusing on diabetes, maternal-child nutrition, pre- and post-natal health, and health equity. She is the recipient of grants and contracts including a career development award from the National Institute of Diabetes and Digestive and Kidney Diseases, March of Dimes, and the Kansas Department of Health and Environment which have led to peer-reviewed publications and presentations. Dr. Jacobson is a junior investigator with SPeCTRE 2.0. 

Associate Professor, Department of Pediatrics, University of Missouri-Kansas City School of Medicine

Dr. Bridgette Jones holds a faculty appointment as Associate Professor of Pediatrics at the University of Missouri-Kansas City School of Medicine in the divisions of Allergy/ Asthma/Immunology and Pediatric Clinical Pharmacology, Toxicology and Therapeutic Innovation and at Children’s Mercy. She is a clinician scientist with a focus in therapeutics and interventions to improve the lives of children with asthma. She has received funding thru the National Institutes of Health, and other extramural and intramural resources to support her work. Nationally, Dr. Jones currently serves as Chair of the American Academy of Pediatrics Committee on Drugs and the immediate past chair of the American Academy of Allergy Asthma Immunology’s Asthma Cough Diagnosis and Treatment Committee. In addition, she serves a member of the Food and Drug Administration Pediatric Advisory Committee and was appointed by the United States Secretary of Health to serve on the National Institutes of Health Task Force on Research Specific to Pregnant Women and Lactating Women.

Brenda Salley, PhD,
Assistant Professor, Department of Pediatrics

Dr. Brenda Salley is an assistant professor of Pediatrics here at KUMC and at Children’s Mercy Hospital/University of Kansas City-Missouri. She is a Licensed Clinical Psychologist and the director of the Baby Lab at KUMC and Children’s Mercy. Dr. Salley completed her doctoral training in clinical psychology at Virginia Tech and her clinical internship at Brown University with a focus on neurodevelopmental disabilities and early evaluation of autism. She completed a postdoctoral fellowship in translational research for intellectual and developmental disabilities at the KU Schiefelbusch Institute for Life Span Studies. Her clinical expertise centers on evaluation of very young children for developmental and social-emotional concerns (autism and mental health). Dr. Salley’s research focuses on social attention, social communication, and language in early childhood. Dr. Salley is a junior investigator with SPeCTRE 2.0. 

Mary Beth Warren



Mary Beth Warren is the rural nurse coordinator for SPeCTRE. The focus of her professional career has been in health care and she has lived in rural Kansas all her life. As the Executive Director of the University of Kansas Medical Center's Area Health Education Centers (AHEC) for the state of Kansas, she has a strong role in helping the University to meet the health care related needs of rural Kansans.  Over the past 20 years Mary Beth has actively participated in over 18 rural research projects and initiatives including several funded by NIH, HRSA and CDC.

Sunflower Pediatric Clinical Trials Research Extension

University of Kansas Medical Center
Department of Pediatrics
Mailstop 4004
3901 Rainbow Boulevard
Kansas City, KS 66160