Some business leaders are weighing whether to create specific employee groups for every religion or an umbrella organization focused on interreligious issues, Ms. Creary of the Wharton School said. Many are struggling to determine what sort of language might be offensive to one faith group even if it's affirming to another. "There's concern about having dialogue facilitated by people who are skilled," Ms. Creary said. "Because so many of these issues go back millenniums." And as pledges from executives proliferate — whether it's people signing on to the ADL's letter, participating in the Council on American-Islamic Relations's webinar on "Work, H.R. and Palestine" or, like Mr. Solomon at Goldman Sachs, expanding existing resource groups — some D.E.I. leaders worry: How long will it last?