 WESTLAKE VILLAGE, Calif.--BUSINESS WIRE--PennyMac Financial Services, Inc. NYSE: PFSI today announced the appointment of David A. Spector as Chairman of the Board. Mr. Spector will continue to serve as Chief Executive Officer. The company also announced that Jonathon S. Jacobson, Founder of HighSage Ventures, has joined the Board of Directors. I am honored that the Board has entrusted me with this additional responsibility, and I am excited to continue leading this great company forward, 