Mac has 40 years of ranch management experience and owns and operates the Rocking P Ranch located west of Nanton. He is a co-founder of the Pekisko Group, sits on the current SALTS board and is a member of the Western Stockgrowers Association. Mac has also been a former councilor for the MD of Ranchland, past president of the Nanton Agricultural Society, and was a member of the Special Places 2000 Committee for the Whaleback.