Ben Bulkley and Invitrogen have mutually agreed for his departure from the company, Invitrogen said in a document filed with the US Securities and Exchange Commission this week. Bulkley is senior vice president of commercial operations. His departure date is Jan. 31. Bernd Brust, senior vice president of global sales, will replace him.
The company also announced the resignation of John Radak as VP for finance and principal accounting officer, effective Jan. 31. He will be replaced by Kelli Richard, who has been corporate controller at Invitrogen since August 2005. Richard will receive a base salary of $225,000 in her new position.