The Indian-American techie will now be the new SVP and new head of YouTube.
Mohan has been working as YouTube's Chief Product Officer since 2015.
In an email to employee, Wojcicki was quoted as saying by India Today: "Today, after nearly 25 years here, I've decided to step back from my role as the head of YouTube and start a new chapter focused on my family, health, and personal projects I'm passionate about."