Nov 2 (Reuters) - Manulife Financial Corp MFC.TO :
* JOHN HANCOCK ANNOUNCES LEADERSHIP TRANSITIONS AT RETIREMENT PLAN SERVICES
* JOHN HANCOCK SAYS GARY TANKERSLEY HAS BEEN PROMOTED TO HEAD OF SALES AND DISTRIBUTION FOR JOHN HANCOCK RETIREMENT PLAN SERVICES
* JOHN HANCOCK SAYS GEORGE REVOIR, SENIOR VICE PRESIDENT, NATIONAL ACCOUNTS & DISTRIBUTION, WILL RETIRE FROM JHRPS IN DEC