David Friend has been appointed chief scientific officer of San Diego-based Daré Biosciences (NASDAQ: DARE). Friend comes to Daré from another San Diego biotech company, Evofem Biosciences (NASDAQ: EVFM), where he was chief scientific officer. Daré develops treatments focusing on women’s reproductive health. The company gained its public stock listing last year through a reverse merger with cancer drug developer Cerulean Pharma. Daré’s lead product candidate is Ovaprene, a contraceptive ring that has advanced into clinical testing.