Instem plc announced the appointment of Ms. MaryBeth Thompson as Chief Operating Officer of the Group with immediate effect.  Ms. Thompson, who has not been appointed to the Instem plc main Board, will report to Phil Reason, CEO. Ms. Thompson has more than 18 years of experience in the life sciences industry, with a primary focus in Regulatory Affairs and Operations with a demonstrable track record as a leader and builder of outsourcing services businesses. During her tenure at PAREXEL International she established and expanded the regulatory outsourcing services practice from a $1 million revenue business with 30 employees to an international organisation across the US, Europe and India with more than $30 million of revenues and 300 employees.