Qiagen said this week that Douglas Liu has joined the company as vice president of global operations. Liu will oversee all of Qiagen's operations including manufacturing, quality, logistics, and infrastructure.

Liu most recently was head of operations for nucleic acid diagnostics in the US for Bayer Healthcare, and also worked in strategic planning and consulting for Bayer AG, Qiagen said. Before his time at Bayer, he held positions at Abbott Diagnostics and Chiron Diagnostics.