GGuillermo grew up in Tegucigalpa, Honduras and attended the American School in Tegucigalpa, where classes were taught in English. A U.S. Citizen since 1983, Guillermo has extensive experience in patent preparation and prosecution.

Guillermo is a registered patent agent who has prepared a wide variety of patent applications on mechanical devices including specifically catalyst loading and testing equipment, bicycles, wheelchairs, medical prostheses, intrinsically safe proximity switches and hazardous area connectors, bearings, window blinds, filters, security locks, cyclones, asphalt mixing plants, industrial kilns, attachments for skid steers, concrete and metal poles, ankle braces, and conveyors and high speed sorters.