Proteros biostructures GmbH today announced that the Company's Supervisory board had appointed Dave Lemus, previously a non-executive director at Proteros, as Executive Vice Chairman, Chief Operating Officer and Chief Financial Officer of Proteros Biostructures GmbH. Additionally, he will serve in the role of Non-Executive Board Chairman of Proteros USA, Inc., the Company's newly formed subsidiary in the U.S.A., where he will be based.