PDL BioPharma, which manages a portfolio of patents and royalty assets, has appointed Steffen Pietzke as controller and chief accounting officer.

Pietzke joins PDL from Ernst & Young, where he held the position of senior manager since 2013. He provided audit and related financial services to both public and private companies in the United States, Europe, and China. Prior to joining EY, Pietzke was with PwC for more than 12 years, most recently as a senior manager.