He is well known for his service as an expert HIV consultant to the Association of Physicians of India (API), as a facilitator to the creation of the first guidelines for use of antiretroviral therapy in India, and for training countless Indian physicians in the treatment of HIV/AIDS through the NGO, CHART-India. His reputation as physician-adventurer is also of note. He treated climbers while ascending Mount Everest, sailors while racing around the world, and indigenous peoples while backpacking along the Amazon River in Brazil and while hacking his way through the jungles of Peru on a mapmaking expedition. A master HIV clinician of international repute, he has treated patients with HIV and AIDS in Brazil, the Czech Republic, Hungary, India, Russia and the United States.