S Vishwanath is a water conservation expert and Founder and Director of Biome Solutions. He is also the founder of Rainwater Club.
He is also an advisor to Arghyam Foundation, www.rainwaterclub.org and also serves as the Secretary General at International Rainwater Catchment Systems Association. He has done Maters in Urban Planning and has a Bachelors degree in Engineering. He is popularly also know as Zenrainman.
At Takshashila, Vishwanath teaches the nuances of policymaking in India with respect to water resources.