In its fourth change of leadership in the last 12 years, the board of the Museum of Contemporary Art (MOCA) in Los Angeles voted today to appoint Johanna Burton, currently the head of the Wexner Center for the Arts in Columbus, Ohio, as its new executive director. She will assume many of the managerial duties that Klaus Biesenbach has performed since he was named MOCA’s director in late 2018, and ...