* Hon. Chief Physician & Director of Nuclear Medicine
* Ex-Medical Director, Jaslok Hospital & Research Centre, Mumbai.
* Director of Nuclear Medicine and RIA dept., Lilavati Hospital & Research Centre, Mumbai
* Emeritus Professor of Medicine (for life)
* Ex – Dean Grant Medical College and Sir J. J. Group of Hospitals, Mumbai
* Emeritus Professor: National Academy of Medical Sciences, India.
* President, IndependentÂ Ethics Committee, India, started in 1999.
* Member, Rotary Club of Bombay District 3140.
* Chairman, Scientific Advisory Council, Haffkine Institute of Research, Training & Testing, Mumbai,