Kenny Goodman and Maya Perez have been upped to agents at the William Morris Agency’s Gotham office. In addition, Stephanie Mahler has been added to WMA’s music department.In his new post, Goodman will report to Michelle Stern, WMA’s New York motion picture talent head, and will rep actors and directors as well as cover local production companies. Perez, who will report to Marcy Posner, VP and director of foreign rights, will rep literary clients in the sale of foreign rights. Both Goodman and Perez began as trainees in WMA’s mailroom in 1995. Mahler, who most recently worked at Metropolitan Entertainment Group as senior manager of special events, joins William Morris in their urban contemporary music division. Prior to Metropolitan, she was an agent at Famous Artists Agency and an agent at Pyramid Entertainment Group.