 WESTLAKE VILLAGE, Calif.--BUSINESS WIRE--PennyMac Financial Services, Inc. NYSE: PFSI today announced the appointment of Doug Jones as President and Chief Mortgage Banking Officer. Mr. Jones had previously served as the Companys Senior Managing Director and Chief Mortgage Banking Officer, as well as President of PennyMac Loan Services, the Companys mortgage banking subsidiary. In his new role, Mr. Jones continues to be responsible for all activities relating to the Companys loan producti 