They hail from the capital, the rust belt, Manhattan and Texas, with titles ranging from associate to partner. They specialize in the Department of Justice, national intelligence, financial regulation, currency, education and labor. The nearly four dozen Am Law firm-affiliated lawyers who are advising President-elect Donald Trump’s executive branch transition bring a wealth of legal backgrounds.

As in past presidential transitions, the lawyers donate their time for a mix of reasons, including political conviction and party loyalty. They’re also positioning themselves to know the players—or to become the players—in the next administration.