Nallan Sriraman has departed as chief technology officer of Somerville, Mass.-based Mass General Brigham after nearly four years in the role.
Mr. Sriraman announced his departure Oct. 1 on LinkedIn and thanked his team and colleagues. He said he is proud of what they accomplished together.
“I’ll share news on my next chapter in a few weeks,” Mr. Sriraman said in the post.
He joined Mass General Brigham as CTO in January 2023, according to his LinkedIn profile. Since May 2026, he has also served part time as an advisory council member for Rackspace Technology, advising the company on cloud, AI, data, security and operations in healthcare.
Before Mass General Brigham, Mr. Sriraman was chief architect and global head of technology and digital strategy at Novartis from 2020 to 2022. He previously held global technology, digital and data leadership roles at Unilever from 2017 to 2020 and spent 16 years at Thomson Reuters, where he served as vice president, chief architect and global head of application delivery.
In 2024, Mr. Sriraman was among four health system executives named to a list of the 100 most influential AI leaders.
Mass General Brigham’s technology organization is led by Jane Moran, who has served as chief information and digital officer since 2021.