Sera Prognostics: Greg Critchfield, Zhenya Lindgardt, Kim Kamdar

Sera Prognostics said that President and CEO Greg Critchfield is retiring from his roles effective June 8, 2023, to pursue other activities. He will continue to serve as a member of the company's board.

Zhenya Lindgardt, a member of the company's board of directors, will succeed Critchfield as interim president and CEO. Lindgardt is currently CEO of nonprofit The Commons Project Foundation. She was previously VP of platform and customer engagement at Uber Technologies.

Kim Kamdar, a member of the company's board, has been appointed chair.