Zoho Founder Sridhar Vembu's wife, Pramila Srinivasan, sought divorce from the billionaire after being married for about 30 years, which led to a US court directing Vembu to post a $1.7-billion bond. A PhD-holder in Electrical and Computer Engineering, she's currently CEO of CharmHealth and MedicalMine, according to her LinkedIn profile. She's also the President of The Brain Foundation.