John Sulzle is an experienced professional with a diverse background in management and operations within various sectors, including human resources and engineering. Currently serving as a board member for frank since November 2019, John promotes maximum choice freedom for employees in collective labor agreements. At Randstad since July 2008, John has held multiple roles, culminating as Principal Operational Manager RIS, where responsibilities include designing customer concepts and managing dedicated client teams. Previous roles include Senior Commercial Manager RTA and Principal Rayonmanager Bouw, overseeing various account units and enhancing customer-specific services. Additional experience spans roles at FC Utrecht as a host, and leadership positions at Dactylo Beheer B.V., Adecco, and ECCO Uitzendburo, contributing to operational and commercial management across numerous locations. John holds multiple educational qualifications, including an MBA in Human Resource Management and Lean Green Belt certification, further enhancing a comprehensive skill set in negotiation and management.