Chief Executive Officer

Ken Witzenman is the Chief Executive Officer of Martinez Steel, LLC. Mr. Witzenman has worked in the metals industry for over 27 years. Most recently, Ken was Vice President of Manufacturing for NCI Building Systems where he was responsible for leading numerous manufacturing plants across the United States for the commercial metal roofing and pre- engineered metal buildings group from 2014 to 2019.


Previously, Ken has held various positions of increasing responsibility with Steel Dynamics, Inc., and Nucor Steel from 1993 to 2014 in operations and sales. He holds a Bachelor of Science Degree from Huntington University and an MBA through Texas A&M – Texarkana University. Ken is also a veteran of the Indiana Army National Guard as an enlisted soldier and officer. He and his wife Mendy have six children, which keep the family very busy.