Roger Machado (officer of arms)
Roger Machado is a Brazilian officer of arms. He is currently the Rei de Armas Dom Afonso Arinos (King of Arms Dom Afonso Arinos) of the Brazilian College of Arms. This position makes him the senior heraldic authority within the College, responsible for reviewing, approving, and registering coats of arms granted within its jurisdiction. His work involves the interpretation of heraldic rules and traditions, the design of new arms, and the maintenance of the College's records related to armorial bearings. As an officer of arms, Machado also participates in ceremonies and events that require heraldic representation, ensuring the proper display and use of heraldic symbols.