Oscar is the founder of Modern Tennis Methodology (MTM) and one of the most well-known tennis coaches in the world. After playing internationally in the 1960s, Oscar undertook a coaching career and developed a remarkable methodology that makes tennis an easy sport to learn.  He tours the globe giving clinics, lectures, seminars & workshops on his revolutionary method.

Oscar teaches publicly and privately throughout the United States and Internationally. He contributes to tennis publications and events including USTA seminars, USPTA Division Conventions and World Conferences, and USTA Tennis Teachers Conferences.  In addition to publishing TennisTeacher.com, he produces new DVDs and books and oversees his Modern Tennis College, Elite Training Program and Modern Tennis Methodology Coaches Association.