According to the Writers Guild Awards Website:
Modern Family co-stars Jesse Tyler Ferguson & Eric Stonestreet have been tapped by the WGAW to co-host the 2011 Writers Guild Awards West Coast ceremony on Saturday, February 5, 2011, at the Renaissance Hollywood Hotel-Grand Ballroom.
Ferguson & Stonestreet currently co-star as gay adoptive parents Mitchell Pritchett and Cameron Tucker on ABC?s hit comedy series Modern Family, the critically acclaimed show that?s helped usher back the sitcom on network primetime television. Co-created by executive producers Steven Levitan and Christopher Lloyd, in its first season, network TV?s #1 new comedy earned six Emmy Awards, including Emmys for Outstanding Comedy Series and Outstanding Writing for a Comedy Series.
Last year, the show also took home two Writers Guild Awards for New Series and Episodic Comedy for the series? pilot co-penned by series co-creators Levitan & Lloyd.
Via Writers Guild Awards Website