Pioneered several new techniques of evaluating esophageal, gastric, colonic, and anorectal
function (brain-gut axis)
Received several patents and pioneered the technique of biofeedback therapy for dyssynergic
defecation
Currently, investigating the neurobiologic mechanisms of biofeedback therapy, and
pioneering new treatments for fructose intolerance
Recognitions
American Gastroenterological Association (AGA) Distinguished Clinician Award
AGA Distinguished Educator Award
AGA Masters Award for Outstanding Clinical Research
American College of Gastroenterology (ACG) Auxiliary Research Award, 2005
International Foundation for Functional GI disorders Senior Clinical Investigator
Award, 2009
University of Iowa Regents Award for Faculty Excellence, 2010
Indian Society of Gastroenterology "Dr PN Chuttani Oration", 2010
Editor of several books: Disorders of the Anorectum (2001), Anorectal and Pelvic Floor Disorders (2008) for
Gastroenterology Clinics of North America, Gastrointestinal Motility-Tests and Problem-Oriented
Approach, and GI Motility Testing - a Laboratory and Office Handbook (2010, Co-Editor).
Published 250 articles
Reviewer for major international journals
"Best Doctors in America"
America's Top Doctors
Training
Medical School - Osmania Medical College, Hyderbad, India
Residency - Newcastle, Sunderland and York Hospitals, United Kingdom
Fellowship - University of Sheffield, UK; University of Liverpool, UK