Oil&gas by 12 years, planner, controller, risk leader, Artemis programmer, trainer/leader of Primavera P3 , and Montecarlo. SAP-PS by 10 years in : Oil&gas, construction and energy companies, actually 8 years as Primavera P6 (ver. 8 to 20) freelance.
Others: MS-Project, Pertmaster, Artemis (5000/9000/7000) programmer. SAP-PS's functional on 8 clients.