The director and novelist replaces Mark Cuddy, who has navigated the theatre through controversies.
Steward, a former co-chair of the board’s diversity, equity, and inclusion committee, succeeds Nikkole Salter.
Ende Lichtenberg succeeds Chris Jennings, who left last summer for Manhattan Theatre Club.
After serving as Woolly Mammoth Theatre’s interim managing director, DeLong now joins a leadership team that includes Mica Cole and PJ Powers.
Tomei, who will leave the theatre next August, has been the company’s first and only managing director to date.
Managing director Douglas Love-Ramos left the Florida company last July.
After 8 years with the Realm, Pereira will become the first Latinx director of the New York Public Library for the Performing Arts.
Durantt partners with artistic director Sarah Slight, who joined the company in July, to lead the Chicago theatre into its next chapter.
Also the interim managing director at the Barter Theatre, Wratchford will begin her appointment at Viriginia Rep in a hybrid capacity.
DeVine will serve in a dual administrative and artistic role at the California company.