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Groupon M&A chief Jason Harinstein is joining Flatiron Health as its first CFO

Another ex-Googler is heading to a health startup.

Jason Harinstein
Clare Mullins for Flatiron Health

Groupon’s mergers and acquisitions lead is joining Flatiron Health, the company told Recode. Jason Harinstein will serve as chief financial officer for the cancer research and technology startup, which has raised more than $300 million in venture capital.

The move marks a bit of a reunion. Harinstein had previously worked on acquisitions at Google, where he oversaw the purchase of Invite Media, an advertising startup founded by Nat Turner and Zach Weinberg. The two started Flatiron Health in 2012, and the company has raised roughly $320 million in funding from venture capital firms including Google Ventures, First Round Capital and Roche.

Harinstein, who had been at Groupon since early 2011, was the company’s longest-tenured top exec. He handled more than 20 acquisitions in his time there, including last year’s deal for competitor LivingSocial.

At Google, in addition to the Invite Media deal, he handled the $3.1 billion acquisition of DoubleClick in 2007, one of the biggest online deals at the time.

Harinstein joins a growing list of former Googlers entering the health technology space. These include Adrian Aoun, Google’s former director of special projects for Google and founder of Alphabet subsidiary Sidewalk Labs, who started Forward, a data-heavy doctor’s office that takes monthly fees instead of insurance; and Alan Warren, who led engineering for Google Docs and Drive before becoming CTO of health insurance startup Oscar Insurance.

Harinstein, like other tech execs who have gone into the health field, has a personal reason for joining Flatiron: His wife and daughter are cancer survivors.

This article originally appeared on

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