Sridhar Radhakrishnan is a Steering Committee member of the Alliance for Sustainable and Holistic Agriculture (ASHA-Kisan Swaraj) and a board member of GRAIN. He serves as Director of Thirunelly Agri Producer Company (TAPCo) in Kerala and Consultant with Asar Social Impact Advisors. He also advises the Agroecology Fund and its regional initiative, the Bharat Agroecology Fund. An engineer turned environmentalist, Sridhar focuses on sustainable agriculture, agroecology, food sovereignty, environmental policy, ecosystems, land use, and the climate crisis.

An advocate for biosafety and against genetic modification in agriculture, Sridhar played a leading role in the Coalition for a GM-Free India. He also conducted research under the Kerala Research Programme on Local Level Development (KRPLLD) at the Centre for Development Studies, Thiruvananthapuram.

He lives with his wife and son in a mud and bamboo home designed by COSTFORD, with a small food garden, in Karakulam, near Thiruvananthapuram, Kerala.