Serkan Kutan, new CTO at the health care joint venture among Amazon, JPMorgan Chase and Berkshire Hathaway, with Atul Gawande, CEO of the joint venture. (Photo via LinkedIn.)

Serkan Kutan, an Amazon and Microsoft veteran who was most recently chief technology officer at medical appointment booking company Zocdoc, has been named CTO of the health care joint venture launched last year by Amazon, JPMorgan Chase and Berkshire Hathaway.

Kutan called the joint venture “the most promising attempt to improve health care in the U.S.” in a LinkedIn post announcing the news Monday. He’s pictured in the post with Atul Gawande, the surgeon and Harvard professor who was named CEO of the health care joint venture last June.

The post also pointed to a number of open positions at the joint venture, signaling that it’s ramping up hiring. The job listings, which include openings for everything from finance and HR to clinical and IT positions, are general in nature and don’t provide much insight into which skills the company is seeking.

His appointment comes a year after the three companies announced the joint venture, saying that they would focus initially on developing technology solutions to provide their employees and their families “with simplified, high-quality and transparent healthcare at a reasonable cost.”

Before joining the new company, Kutan was at Zocdoc for four years. He also worked previously as principal engineer of e-commerce at Amazon and spent more than a decade at Microsoft.

Last week, UnitedHealth’s Optum unit sued a former executive for allegedly taking trade secrets to the new company. Those court records have renewed focus on how the trio planned to rein in health care costs and provided clues that the company may build solutions from scratch in some cases.

Here’s Kutan’s full announcement:

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