NATION

The Federal National Mortgage Assn. (Fannie Mae) announced that Mark J. Riedy has resigned as president and chief operating officer to explore other career opportunities. Fannie Mae, a congressionally chartered, shareholder-owned corporation, is the nation’s largest single supplier of home mortgage funds.

Before joining Fannie Mae in January, 1985, Riedy was executive vice president of the Mortgage Bankers Assn. of America.

Fannie Mae Chairman and Chief Executive David O. Maxwell said in a statement that Riedy had received inquiries “about his availability for other business opportunities.”