Guy Broadbent has been appointed president and chief executive officer of Xcellerex, Inc., as well as a member of the company’s board of directors. Mr. Broadbent succeeds Joseph Zakrzewski, who served as chairman, president and chief executive officer. Mr. Zakrzewski will continue to serve as chairman of the board. Mr. Broadbent has 25 years of experience, including in the life sciences sector. He held a number of senior positions at Thermo Fisher Scientific, including president of the Labora...