Patrick Walker recently retired from Martin Marietta Materials where he served as President of the company’s Rocky Mountain Division. For the past 45 years Pat has been involved in leadership positions in the aggregate mining, asphalt contracting and ready mix concrete businesses, serving as President of Western Mobile Inc., President of Lafarge U.S. West Inc., President of Redland Stone Products Inc. located in San Antonio Texas, as well as President and Owner of Suburban Ready Mix located in Denver Colorado. Pat is a two term past president of the Colorado Ready Mix Concrete and Sand and Gravel Association and has served on numerous national and local industry boards. Pat has also served on the boards of Colorado Uplift, Denver Area Council of Boy Scouts of America, and Mountain States Employers Council. Pat currently resides in the Denver area.