For over 30 years, Enrique Ortiz has been involved in mathematics education as a middle school teacher, supervisor, instructor, writer or curriculum developer in Puerto Rico, Louisiana, and Florida. Since 1989, he has been an assistant (1989-1994) and associate (1994-present) professor at the University of Central Florida. He has taught mathematics methods, curriculum development, problem solving, assessment, and technology courses. His topics of interest include brain-based research, teaching goals, use of technology for teaching, teaching mathematics for social justice, algebraic thinking, diagnosis of mathematics strengths and misconceptions, cognitive learning levels and fraction concept development. He has stayed very active in the profession by volunteering his services to organize conferences, reviewing manuscripts for possible publication, presenting papers and workshops locally, nationally and internationally, and publishing articles and books.