Meet the Team

Thomas Inge, MD, PhD

Thomas Inge, MD, PhD

Professor of Surgery and Pediatrics
Associate Surgeon-in-Chief
Akers Endowed Chair and Director of Pediatric Surgery
Children's Hospital Colorado and University of Colorado, Denver

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Michael Helmrath, MD, MS

Director of Surgical Research
Cincinnati Children’s Hospital Medical Center

 

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Stavra Xanthakos, MD, MS

Director, Steatohepatitis Center
Medical Director, Surgical Weight Loss Program for Teens
Cincinnati Children’s Hospital Medical Center

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Heidi Kalkwarf, PhD

Scientific Director, Bionutrition & Body Composition Core Laboratory, CCTST
Associate Director, Digestive Health Center
Cincinnati Children’s Hospital Medical Center

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Todd Jenkins, PhD

Co-director, Data Coordinating Center
Cincinnati Children’s Hospital Medical Center

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Changchun Xie, PhD

Co-director, Data Coordinating Center
University of Cincinnati

Stephanie Sisley, MD

Stephanie Sisley, MD

Medical Director of the Center for Genetic Disorders of Obesity and Medical Director of the Adolescent Bariatric Surgery Program, Texas Children's Hospital
Assistant Professor, Department of Pediatrics, Baylor College of Medicine

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Mike Chen, MD

Director, Division of Pediatric Surgery
Children's of Alabama

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Marc Michalsky, MD

Surgical director, Center for Healthy Weight and Nutrition
Nationwide Children’s Hospital

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Anita Courcoulas, MD

Chief, Section of Minimally Invasive Bariatric and General Surgery
University of Pittsburgh Physicians

Mary Brandt, MD

Mary Brandt, MD

Pediatric Surgeon, Children’s Hospital New Orleans

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Mac Harmon, MD, PhD

Chief, Division of Pediatric Surgery
Women and Children's Hospital of Buffalo

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John Gunstad, PhD

Director of the Applied Psychology Center
Kent State University

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James Mitchell, MD

Research Scientist
Sanford Research

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John Dixon, MBBS, PhD

Monash University
Swinburne University

Jenn Black, MSSA, LSW

Jenn Black, MSSA is the Central Study Coordinator for the Teen-LABS Study based at the University of Colorado, Denver. She works with Drs. Inge, Jenkins, Xie, and Ms. Miller on all aspects of the Teen-LABS Study and oversees the six sites conducting the study. She also works with the Teen-LABS Publications and Presentations Committee, the Ancillary Studies Subcommittee, and the Adjudication Committee.

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Rosie Miller, RN is the Deputy Central Study Coordinator for Teen-LABS Study based at the University of Colorado, Denver. She works with Dr. Todd Jenkins and Dr. Changchun Xie and the DCC as well as Dr. Inge on all aspects of the Teen-LABS Study. She also assists with the Adjudication process and the Ancillary and Publication proposals.

Kerri York

Kerri York, BS is the Research and Finance Specialist for the Center for Children’s Surgery (CCS) at the University of Colorado Denver supporting research efforts for members of the CCS including Thomas Inge, MD, PhD. Kerri assists Jenn Black with administrative duties for the Teen-LABS Study and collaborates with the Department of Surgery Grants Management Team.

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Jennifer Knox, BA is a research coordinator for Teen-LABS at Cincinnati Children's Hospital Medical Center who works with Dr. Michael Helmrath and the bariatric surgery team. She is also responsible for cohort maintenance and retention of Teen-LABS participants at the University of Alabama at Birmingham and works with Dr. Mike Chen.

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Naila Merchant is a research coordinator for Teen-LABS at Cincinnati Children’s Hospital Medical Center. She works with Dr. Michael Helmrath and Jennifer Knox and the bariatric surgery team.

Emily Eagleton, BA

Emily Eagleton, BA is the site coordinator for Teen-LABS at the University of Pittsburgh Medical Center. She works with Anita Courcoulas, MD, on studies related to Type 2 Diabetes Mellitus and bariatric surgery treatments.

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Citrine Elatrash, MBBCh, CCRP is the site coordinator for the Teen-LABS study at Baylor College of Medicine in Houston, TX. She works with Dr. Stephanie Sisley to facilitate research and collect necessary data to advance knowledge and improve quality of care.

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Lauren Volz is the site coordinator for the Teen-LABS study at Nationwide Children’s Hospital in Columbus, Ohio. Lauren works with Marc Michalsky, MD, on the Teen-LABS study.

Alyssa Kirkman, BS

Alyssa Kirkman, BS is a research program coordinator at The University of Alabama at Birmingham Department of Surgery. She will assist Dr. Mike Chen and Jennifer Knox with Regulatory Compliance (IRB) and any local site research duties.

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Kathy Lancaster, BA is the manager of research operations and research coordinator at Sanford Research in Fargo, North Dakota.