Mac Hartley began his engineering career in 1975 with Morrison Knudsen Company after completing eight years on active duty with the U.S. Army.
Mac is a graduate of the U.S. Military Academy at West Point, NY and received a Master of Science degree in Civil Engineering from Purdue University in 1974.
Throughout his 34 year career with Morrison Knudsen Mac worked on a multitude of projects including the managing of both surface and ground water hydrology studies and designs. Working primarily in the mining industry he was involved in mine dewatering projects, grouting projects and river diversions. Mac also performed business development activities in Eastern Europe for environmental projects after the fall of the Berlin Wall. Mac was involved in numerous international mining projects primarily in Europe and India. He lived in Europe for ten years where he was involved with a major lignite mining operation in the former Eastern Germany.
After his eight years of active duty in the U.S. Army Corps of Engineers Mac continued his military career with the Army Reserve for twenty years. He retired in 1995 as a Colonel with 28 years of Commissioned Service. Upon retiring from his civilian engineering career in 2011 he became involved in various philanthropic activities in the Treasure Valley.