David Requena Encinas has extensive experience in topography and drone operations, currently serving as a Topographer at PAVASAL E.C. S.A. since December 2004. Responsibilities include site layout, technical office tasks, plan control, cubic calculations, measurements, photographic documentation, and construction studies, along with overseeing projects using a multirotor drone. Previously, David held the position of Topographer and Topography Assistant at Excavaciones y Canalizaciones Altobordo from January 2002 to December 2003. Educational qualifications include an Advanced Drone Pilot certification from 2fly Aerodynamics in 2017 and a degree in Topography from Instituto Miguel de Cervantes.