COMINGS AND GOINGS >>?The Public Relations Society of America New York chapter has appointed jewelry industry PR rep Olga Gonzalez (pictured) as its president-elect. Gonzalez will hold the office in 2016 and serve as chair of the organization’s 2016 Big Apple Awards. She will become chapter president in 2017.  >>?Jewelers unBLOCKed, the insurance underwriting company, has named Don Saltmarsh relationship executive. Saltmarsh was most recently the executive vice president at the Cornell Group.   >>?Christie’s has named Peggy Gottlieb its West Coast jewelry specialist. Gottlieb has been an estate jewelry appraiser and auction house specialist for 20 years. >>?Ed Levin Jewelry, the Cambridge, N.Y., jewelry manufacturer, has named Deborah Shamyer Northeast key account manager. Shamyer has more than 20 years of experience i