Ian Rafael B. Villaroya is a Registered Civil Engineer based in Cebu City, Philippines, with credentials that include Safety Officer 2 and Materials Engineer-1. He has experience as an Office Engineer at Jethrock Construction Corporation, where he supported project scheduling, budgeting, documentation control, material requisitions, specification checks, and progress reporting. Previously, he served as Engineer I in the DPWH Regional Office XIII in the Planning and Design Division Highways Design Section, preparing highway plans using Autodesk Civil 3D and AutoCAD, performing quantity takeoffs, and designing highway and drainage components based on DPWH standards. His earlier internship at Cebu Landmasters, Inc. Involved site inspections, subcontractor coordination, punch listing, and safety checks. He has training in detailed engineering design, project management, and construction safety, including a 40-hour OSH course; he also passed the DPWH Computer Proficiency Examination and the written exam for Contractors’/Consultants’ Materials Engineers.