She was a UN correspondent from Geneva, covered the GATT-WTO talks for ten years, wrote on disarmament, the EU and also reported on the Bosnian war from Sarajevo. In 1997, she was invited by former Norwegian Prime Minister Dr. Gro Harlem Brundtland to be part of her campaign team to head the World Health Organization (WHO). Subramaniam led the policy analysis, media and communications work for global negotiations of tobacco control across 198 countries. Later, as Founder Director of CSD consulting, Switzerland, Subramaniam worked with CEOs of Indian and European Fortune 500 companies advising them on policy, market share and media relations. Now, together with Dhanya Rajendran (formerly head of south India for Times Now), she is launching a news-based aggregator out of Bangalore.