Sunstone Hotel Investors, Inc. announced the retirement of Marc Hoffman, Executive Vice President & Chief Operating Officer. Chris Ostapovicz has been appointed Senior Vice President & Chief Operating Officer. Mr. Ostapovicz will join the Company in March and will report to John Arabia, President & Chief Executive Officer. Mr. Hoffman will remain with the Company during a period of transition. Mr. Ostapovicz most recently served as Senior Vice President of Asset Management at Host Hotels & Resorts, which he joined in 2007.