Marcel Calef is an experienced technology leader currently serving as the Americas Field CTO at ControlUp since August 2017, where responsibility includes leading the deployment of the Secure DX product and managing a white glove program for existing customers. Before this role, Marcel held various positions at ControlUp, including Sales Engineering Manager and Pre-Sales Engineer, contributing to the company's sales growth and enhancing demo solutions for prospects. Marcel's extensive background also includes significant roles at Citrix, where contributions included Senior Cloud DevOps Engineer, Staff Software Development Engineer, and Principal Consultant, focusing on user experience and cloud integration. Earlier experience encompasses senior network engineering at Gilat Satellite Networks, installation management at GVT, and teaching assistance at Tel Aviv University. Marcel earned a Bachelor of Science in Mechanical Engineering from Tel Aviv University.