Rajaraman Santhanam graduated in computer science and engineering from Bharathidasan University. He worked at Zoho, then called AdventNet, for almost ten years.
He reconnected with Krish Subramanian, a college classmate. They incorporated Bubblepath Inc. in 2010 without a settled idea. By May 2011 both had quit their jobs.
Saravanan KP and Thiyagarajan T, also from Zoho, joined as co-founders. The product became Chargebee, a subscription billing platform.
Santhanam has led product management while Krish Subramanian handles marketing. Chargebee raised a $250 million Series H in February 2022 at a $3.5 billion valuation.