LONG BEACH, Calif.--(BUSINESS WIRE)--Obagi Medical Products, Inc. (NASDAQ:OMPI), a leader in topical aesthetic and therapeutic skin health systems, today announced the appointment of Ruth Johnson as Vice President of Operations and the promotion of Curt Hanson to Vice President, International Sales & Marketing. These appointments represent the primary responsibilities previously overseen by Curtis A. Cluff, Executive Vice President, Corporate Development and Operations, who has resigned and will be leaving to pursue other business opportunities after transitioning his responsibilities.