Veteran general counsel Peter Lieb is leaving Aon after 10 years with the global brokerage.

According to a filing with the U.S. Securities and Exchange Commission, Lieb will transition from his role as executive vice president, GC and secretary at London-based Aon to a position as “special legal adviser” to the company’s chief executive officer by year’s end and retire, effective Dec. 31, 2020. In addition to his current base salary of $700,000, Lieb also will receive a cash payment of $1.8 million for duties carried out during the transition period.