Michigan Chamber of Commerce, Director, Board of Directors (2006-2011); Past Chair-Tax Advisory Committee (2002-05); Member-Tax Advisory Committee (1984-2010); Legislative Affairs Committee (2004-2010); and Future Forum Legislative Conference Committee (2004-2005).
Michigan Manufactures Association, Member-Tax Advisory Committee (1984-2010), Chair-Property Tax Subcommittee (1992-2002), and Legislative Affairs Committee (1992-2010).
Detroit Regional Chamber of Commerce, Member (1984-present), Vice-Chair of Tax Committee (1995-98).
Ann Arbor/Ypsilanti Chamber of Commerce, Member (2006-present), Public Policy Committee (2009-present).
Michigan Taxpayers Association, Co-Founder & President (2005-present).
Michigan Tax Representatives Association, Past-President (1990-1991).
Institute of Professionals in Taxation (IPT), serving on the Board of Directors (2004-2007) and various committees since 1983.
International Association of Assessing Officers (IAAO), serving on various committees since 1988.
Michigan Assessors Association (MAA), Board member representing taxpayers (1986-1988), Legislative Committee (1990-1991), Nominating Committee (1993-1997 & 1999-2002).
Southeastern Chapter, Michigan Assessors Association (SECMAA), Board member representing taxpayers (1988-1990), and Legislative Committee (1990-1991).
Society of Industrial and Office Realtors (SIOR), Associate Member since 1984.
Michigan Association of Realtors (MAR), CAR member since 2004.
Michigan Commercial Association of Realtors (MCAR), Regular Member (2012-present).
International Development and Research Council (IDRC), Regular Member (1984-2001). Member of editorial board of association’s magazine, Site Selection (1989-1996).
Industrial Asset Management Council (IAMC, formerly IDRC), Charter Member (2001-present).
Michigan House of Representatives Tax Policy Blue Ribbon Committee on Personal Property Taxes, (1994-1995), studied and recommended 3 alternative plans to Michigan Legislature the repeal of business personal property taxation.
Ann Arbor Municipal Airport Advisory Board, Chairperson-Board of Directors (2005-2012).
City of Ann Arbor Board of Review (BOR), Chairperson of the BOR presiding over property tax assessment appeal hearings determining fair and equitable property assessments (1986-1992).
Ann Arbor Transportation Authority (AATA), serving on regional transportation financial task force to analyze feasibility and recommend funding mechanism of regional mass transit service to Washtenaw County and southeast Michigan (2011-present).
Michigan Department of Transportation, Aeronautics Commission, General Aviation Advisory Committee, advises MDOT Aero on continuous improvement to Michigan general aviation airports and pilot development promoting Michigan economic development (2011-present).
Ann Arbor SPARK (SPARK), Finance & Administration Committee of the Board of Directors providing strategic finance and management advice to executive committee of the organization (2012-2013), Public Section Committee (2013-present).
Scio Charter Township Board of Review (BOR), Member of the BOR presiding over property tax assessment appeal hearings determining fair and equitable property assessments (2012-present).