Sarin, with over 30 years of management experience, will contribute in an advisory role to Ola's overall business strategy to drive its further growth.
"Arun brings a global perspective and a strong understanding of emerging markets like India. His experience in management and in growing large companies is invaluable to Ola," Bhavish Aggarwal, chief executive officer and co-founder of Ola, said.
"Ola is creating immense value in the transportation and mobility space in India. The company has scaled rapidly to benefit customers and partners using technology and innovative business models," Sarin said.
Sarin began his career as a management consultant before joining Pacific Telesis Group in 1984. He held a series of senior management positions with Pacific Telesis and went on to become the president of AirTouch Communications after the demerger from Pacific Telesis Group.