Laurie Keefer, PhD
Professor of Medicine, Psychiatry & Biomedical Sciences
Clinical Health and GI Psychologist • Psychogastroenterology Leader • Director of Psychobehavioral Research • Behavioral Intervention Scientist • Entrepreneur & Executive
Laurie Keefer, PhD is a Clinical Health Psychologist and Professor of Medicine, Psychiatry & Biomedical Sciences at the Icahn School of Medicine at Mount Sinai. With more than 25 years of experience, she is internationally recognized for advancing integrated behavioral care in gastroenterology through her research, clinical work and mentorship.
Dr. Keefer is the inventor of the GRITT® Method for inflammatory bowel diseases and Co-Founded Trellus Health, pioneering scalable, precision behavioral medicine to improve outcomes for people living with gastrointestinal disorders.
She now serves as CEO of The Rome Foundation, an international non-profit organization dedicated to improving the lives of people living with disorders of gut-brain interaction through excellence in clinical care, education, and research.
NIH
Funded Research
GRITT
METHOD INVENTOR
As Director of Psychobehavioral Research in the Division of Gastroenterology at the Icahn School of Medicine at Mount Sinai, she leads federally and foundation-funded research focused on resilience and innovative behavioral interventions that improve quality of life for people living with chronic digestive disorders, including Crohn’s disease and ulcerative colitis.
25+
YEARS IN GI BEHAVIORAL MEDICINE
Research Domains
Advancing research in gastroenterology through behavioral science, clinical innovation, and patient-centered care.
Areas of Expertise
Innovative Framework
GRITT® Method
The GRITT® (Gaining Resilience Through Transitions) Method is an evidence-based behavioral care model developed to personalize treatment for individuals living with gastrointestinal disorders. It integrates resilience science, precision behavioral medicine, and multidisciplinary care to improve patient outcomes and quality of life.
CO-FOUNDER OF
Trellus Health
Risk Stratification
Personalized Care
Integrated Behavioral Care
Multidisciplinary Model
Resilience Science
Brain-Gut Behavior Therapies
Self-Regulation Skills
Precision Behavioral Medicine
Digital Health Innovation
500+ Publications
Expert Advisory &
Engagement
Leveraging decades of clinical and academic leadership to foster growth in individuals and organizations.
PROFESSIONAL LEADERSHIP & HONORS
Featured Media
Gut Check: Laurie Keefer, PhD, on
Gut-Directed Hypnotherapy
Dr Laurie Keefer joins Dr Brian Lacy to discuss brain-gut behavioral therapies, including hypnotherapy, and how they can help patients effectively cope with the chronic symptoms of digestive disorders as well as depression and anxiety.
The Scope with Dr. K: Laurie Keefer, PhD GI health psychologist
Prof. Laurie Keefer i prof. Wojciech Marlicz o psychogastroenterologii
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