An All-American Division 1 Champion for Peninsula High School, Guice went on to play singles for Occidental College all 4 years. Guice is a 27-year veteran of the game, and was a top-ranked player on the junior circuit.

After coaching Occidental's men's team, Michael made a name for himself at the Rose Bowl Tennis Center and Arroyo Seco Racquet Club.

When Michael is not teaching, he is a professional music producer and car enthusiast.

Michael is also the head tennis coach for Polytechnic School in Pasadena, as well as a professional coach at various iTennis facilities.