Hello, I'm Nyall Engfield, an attorney and founder of Vanguardista, a drone services company operating in the Lisbon and Cascais region of Portugal. In addition to my trademark law practice, I specialize in aerial surveying, drone mapping, photogrammetry, and professional drone operations under Portuguese aviation regulations (ANAC). I'm passionate about emerging technologies, including drone automation, LiDAR, RTK positioning, and digital twin applications for infrastructure and environmental monitoring. Beyond work, I'm an enthusiast of martial arts, outdoor recreation including backcountry skiing, and motorcycle riding. You can learn more about my drone services by visiting my website above.