Jisar Castillo is an experienced Civil Engineer who had work as a planner (scheduler) for the contractor, the consultant and as an expert.  Managing coordination of activities in engineering, procurement and construction.  Involved in various sector of construction such as high-rise buildings, commercial buildings, hotels, underground power cables, substations, infrastructures, power plants and airport.

I first became involved with CPM Schedules back in 1978 whilst employed as an Expeditor; we were required to monitor CPM Schedules during manufacture of Pressure Vessels for Nuclear Service.  In 1987 I joined a Construction Management Company as a Contracts Administrator/Scheduler.  The company was involved with mining industry with projects in North America & Papua New Guinea (PNG).  Since 1990 I have been based in Thailand whilst working for Expat Companies as a Planner/Scheduler.