Qiagen board member Lawrence Rosen, the former finance chief of postal services group Deutsche Post, has been elected to replace Bjoerklund as chairman, the company said in a statement on Friday, without providing a reason for the departure.

Thermo Fisher last week walked away from its 11.3 billion euro ($13.30 billion) takeover deal after Qiagen's earnings were boosted by coronavirus diagnostics, leaving its shareholders reluctant to cash out.

($1 = 0.8498 euros)

(Reporting by Ludwig Burger; Editing by Susan Fenton)