Rodrigo Moura will lead the museum’s curatorial department as it undergoes an expansion.
Wendy Whelan has been chosen to run City Ballet with Jonathan Stafford, but her professional title is missing a prefix, as in co-artistic director.
Jonathan Stafford and Wendy Whelan, two respected former dancers, will be the company’s first new leaders in a generation.
This space, in Brooklyn, plans to move into new quarters by midsummer. JACK also will have a new full-time co-director, Jordana De La Cruz.
Philip Himberg, a theater administrator and playwright, will succeed Cheryl Young, who is retiring, and will oversee the flagship residency program.
Henry Timms, who helped create #GivingTuesday, will become the leader of a center buffeted by management churn in recent years.
Kenyon Victor Adams, a 40-year-old artist and curator, hopes to bring Armstrong’s archive “into the 21st century.”
Richard Egarr will become the next music director of Philharmonia Baroque Orchestra in San Francisco, succeeding Nicholas McGegan.
“I think I can bring innovation to the company, bring it in tune with our time,” said Mr. Acosta, a favorite when he danced for London’s Royal Ballet.