Peyton Howell has been appointed chief commercial and strategy officer at PAREXEL effective May 7. Ms. Howell will be responsible for leading PAREXEL’s commercial strategy, including global sales, customer service and sales operations, further integrating PAREXEL’s commercial operations to enhance the customer experience.    Before joining PAREXEL, Ms. Howell held several leadership positions with AmerisourceBergen. As executive vice president and president, Health Systems and Specialty Care S...