He will take over from Arvind Sethi, who had also been an Independent Director of the company, Tata Asset Management said in a statement here today.
Ganesh comes to the leading asset management firm from Blackrock Inc, where he was Managing Director.
"The company is going through an interesting growth phase and R Ganesh's appointment comes at the opportune time. He brings with him a rich global experience of growing organisations. His ability to lead high performing teams to the next level of excellence and growth will benefit our organisation," Tata Asset Management Chairman F N Subedar said.