VaST, a provider of tools for electronics virtualization, named Christophe Guittard as the Vice President and General Manager Europe. He joins VaST from Mentor Graphics, where he held the director of sales position in Europe for place & route technology. Prior to Mentor Graphics, Guittard served as the European General Manager for Sierra Design Automation. He also held various sales and marketing management roles at Cadence, Synopsys, Simplex, Epic and Valid. He began his career as a design engineer at Philips Semiconductor.