Abstract: This is the Ph. D. dissertation of the author and represents his research on the minimal supersymmetric extension of the standard model of particle physics. Dissertation Discovery Company and University of Florida are dedicated to making scholarly works more discoverable and accessible throughout the world. This dissertation, "Renormalization Group Study of the Minimal Supersymmetric Extension of the Standard Model With Softly Broken Supersymmetry" by Diego J. Castano, was obtained from University of Florida and is being sold with permission from the author. A digital copy of this work may also be found in the university's institutional repository, IR@UF. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation.