Santosh Harish leads the Air Quality Fund at Coefficient Giving, a global philanthropic advisor and funder that has directed more than five billion dollars in grants towards health, scientific research, pandemic preparedness and potential risks from advanced AI. Formerly Open Philanthropy, Coefficient Giving’s foundational donors are Dustin Moskovitz, co-founder of Facebook and Asana, and philanthropist Cari Tuna. At the fund, Santosh focuses on particulate air pollution and lead exposure. He was earlier a researcher in air quality governance at the Centre for Policy Research, New Delhi and the India Center of the Energy Policy Institute at the University of Chicago. He holds a B.Tech. from IIT Madras and a PhD in Engineering and Public Policy from Carnegie Mellon University. Santosh spoke to indianexpress.com on the opportunities for tech interventions in the air quality space, the learnings from their grants, and the challenges the air quality innovation ecosystem faces in the country.…