Flatiron Health

Flatiron Health is a healthcare technology company founded in 2012 in New York by Nat Turner and Zach Weinberg. The company builds software and real-world data products for oncology research and clinical care, powering clinical decision support via OncoEMR and a leading U.S. oncology real-world data set.

Roche acquired Flatiron in 2018 for approximately $1.9 billion. It continues to operate as an independent Roche affiliate, serving community oncology practices, academic centers, and biopharma partners.

Nathan Hubbard was appointed CEO in August 2025, succeeding Carolyn Starrett. Flatiron employs more than 1,500 people.