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 Manufacturers 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 (1984-2012), Vice-Chair of Tax Committee (1995-98).
Ann Arbor/Ypsilanti Chamber of Commerce, Member (2006-present), Public Policy Committee (2009-2018).
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, 2019-2023), Legislative Committee (1990-1991), Annual Conference Committee,
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 (2001-2012).
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, 2020-present).
​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 a regional transportation financial task force to analyze feasibility and recommend the funding mechanism of regional mass transit service to Washtenaw County and southeast Michigan (2011-2013).
​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 the executive committee of the organization (2012-2013), Public Section Committee (2013-2014).
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).
Joint Airport Zoning Board, Wayne County Metropolitan Airport Authority, appointment by Washtenaw County Board of Commissioners (2016-present), Secretary (2020-present).
Master Plan Technical Advisory Committee, Wayne County Metropolitan Airport Authority, Willow Run Airport (2016-2018).
Scio Township Solid Waste Hauler RFP Advisory Committee, appointed by Township board of trustees to prepare RFP document, solicit bids, interview bidders, rank bids and recommend top 3 bidders to BOT (2018-2019).
Washtenaw Regional Resource Management Authority, appointed by Scio Township board of trustees to represent the interests of Township residents with regard to the newly formed county recycling authority (2019-present).