A former chief of staff to City Councillor At-Large Felix Arroyo is headed south to work on a mayoral campaign in Texas. Stuart Rosenberg, who worked as a field director for Tammy Baldwin’s U.S. Senate campaign, will be managing Houston Mayor Annise Parker’s bid for a third term, he said Monday.

Parker, who is openly gay, was first elected in 2009 and won reelection in 2011. She is running for a final term this year, since the office comes with term limits.

Rosenberg, a Wisconsin native who lived in Dorchester while on local campaigns and in City Hall, has worked for former state Sen. Jarrett Barrios, state Rep. Linda Dorcena Forry and District 8 Councillor Michael Ross. All are Democrats.

Rosenberg left his job with Arroyo’s office last year to work on Baldwin’s Senate run. Baldwin, an openly gay Democrat, won the race to replace Herb Kohl, who retired.