Adam Sharp, ex-aide to Sen. Mary Landrieu, D-La., and...

Adam Sharp, ex-aide to Sen. Mary Landrieu, D-La., and most recently at C-SPAN, hired by Twitter as manager of government and political partnerships, a new position and the company’s first in Washington … FTC changes: Edward Felten, ex-Princeton Center for Information Technology Policy, becomes chief technologist; Eileen Harrington returns as executive director … NBC Universal promotes Alyssa Corcoran to senior vice president of communications for TV networks and digital distribution … New senior directors at Turner Sports: Dave Moll, ex-CBS College Sports, hired at NCAA Digital; Alex Vargas promoted at PGATour.com and Justin Williams promoted at Nascar.com … Discovery Communications promotes Elisa Freeman to senior vice president, global distribution and education business development … Changes at Media General: Marilyn Hammond promoted to president and market leader for North Carolina, succeeding Jim Conschafter, named president and market leader for Virginia, Tennessee, replacing James Zimmerman, retiring at year-end; Dan Bradley promoted to president and market leader for Ohio, Rhode Island … Entercom promotes Jeff Brown to vice president and co-market manager for Portland, Ore., radio stations … NBC Universal promotes Lara Spotts to Bravo vice president of East Coast development … ESPN hires Kevin Martinez, ex-KPMG, as senior director of corporate outreach.