Devan is a South Asian gay man who has been living with HIV for over 18 years. He specializes in allopathic, complementary and alternative health care use in HIV/AIDS. Devan is a Treatment Information Educator at Canadian AIDS Treatment Information Exchange (CATIE) and has worked in an advisory capacity for numerous AIDS service organizations on issues related to clinical research, ethics, complementary therapies, governance, board structures and more. Devan has developed many workshops related to HIV/AIDS, including HIV treatments, nutrition, side effects, complementary medicine, co-infections, herbal therapies, vaccines, travel for HIV positive persons, among others.

Currently, he serves on committees for the Canadian HIV Trials Network, the Ontario HIV Treatment Network, VOICES of Positive Women and the Alliance for South Asian AIDS Prevention. Devan has also worked on international drug access issues. In 1998, while on a sabbatical from work, he established an on-going drug recycling program for marginalized HIV/AIDS patients at Tambaram Hospital in Chennai, India. He also created a rehabilitation program for AIDS patients and undertook the hiring of dietician/nutritionist there.