Guillermo was born in Coconut Grove, Miami, Florida, On December 11. To his close friends he goes by the name of Mito.In 1996 he moved to the Dominican Republic and graduated with a degree in Medicine in 2001 from Universidad Central Del Este (Dominican Repulic).After moving back to Miami, he enrolled at Miami Dade Community College and took a six week course under his teacher Sandra Garcia who urged him on to Hollywood, so instead of getting ready for his Medical Boards he dove into the world of Acting/Cinema & started reading on Konstantin Stanislavski.Watching movies has always been a love for him and in 2003 he left for Hollywood to make them. In 2005 he spent a year at The American Academy of Dramatic Arts, Los Angeles under the careful eye of teachers like Michele Gossett ,Kerry Mcgrath and Teresa Dowell-Vest. He's been attending Stephanie Feury Studios for 8 years.He is a Formula 1 enthusiast, travels, and loves Science Fiction.