Mark has been in the mechanical design, analysis, manufacturing and data management consulting and sales support industry for 40 years. He managed pre-sales and consulting teams on aerospace, medical, and high tech electronics projects while working for Siemens Digital Industries Software. Since retiring, Mark has been active in the refinement and optimization of 3D printers and the design for manufacturability (DFM) challenges with 3D printing. Mark received his BSME from Cal Poly San Luis Obispo and his MSME from San Diego State University.