William McCauley (Mac) Arnold has practiced law for over 40 years in the Fairfax County area. He retired from the practice of law with McCandlish and Lillard in 2013. He was elected to the PFNCA board in 2014. He has served in leadership roles for organizations that include the Clifton (VA) Town Council, the Clifton Planning Commission and Lord of Life Lutheran Church, and he has been active active in fundraising activities for civic associations that include Rotary and the Clifton Betterment Association.
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