Community Service

Portland Regional Chamber, Chair (2012-14) Trustee (2008-16; 2019- present)
Portland Community Chamber of Commerce, President (2019- ) Trustee (2016-present)
Maine State Chamber of Commerce, Trustee (2009 - present)
Project Green Schools, Advisory Trustee (2017-present)
Maine Public Spending Research Group, Trustee (2005 - 2008)
Portland Trails, President (1997-1998), Advisory Trustee (2002 - )
Portland Symphony Orchestra, VP of Budget and Finance (1999-2002)
Communities Putting Prevention to Work (ARRA), Leadership Council (2010-11)
North Deering Neighborhood Assoc., Founding Pres. (2001), Trustee (2002-2013)
Portland Public Library, Trustee (2005-2006)
Sweetser, Corporator (2007-present)
First Tee, Board member (2008-10)
Portland Tomorrow (2010-2019)

Political Service

Mayor, City of Portland (2005-2006)
Portland City Council (2002-2008)
Portland City Council Transportation Committee, Chair (2002-2005)
Jetport Master Planning Committee, Chair (2005-2007)
Greater Portland Transit District, Trustee (2002-2005)
Narrow Gauge Rail Alignment Committee, Chair (2005)
Maine Turnpike Authority, Public Advisory Committee (2017-18)
Portland Charter Commission, Vice Chair (2009-2010)
U.S. Conference of Mayors, Community and Faith-Based Initiatives Task Force, Vice Chair (2006)
Portland City Council Finance Committee, Chair (2006-2008)
Metro Regional Coalition, Chair (2007-2008)
Cumberland County Budget Advisory Committee, Chair (2005)
Downtown Portland Corporation (2005-2006)
Portland City Council, Community Development Committee (2002-2005; 2007-2008)
Creative Economy Steering Committee, Chair (2007-2008)
Sustainable Portland Task Force (2006-2007)
Portland City Council, Energy and Sustainability Committee (2007-2008)
Riverton School Building Committee, Co-Chair (2005-2006)
Cumberland County Civic Center Joint Task Force (2006-2010)
Mayor's Healthy Portland Task Force (2006-2008)
Portland School Department, Budget and Revenue Task Force, Chair (2013-4)