He was previously associated with Zee Entertainment Enterprises Ltd.
Ramani Ganesh joined as HR head and Abhishek Singh as head of marketing.
She replaces Gulshan Verma who had quit the company in July to join Jio Ads as CEO.
Fujimori is a Panasonic veteran and has been associated with the company for 26 years.
Krishnan was earlier associated with Larsen & Toubro Infotech as associate director.