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Preston Day is a trial attorney with a focus on family, criminal, and personal injury law. Preston is committed to giving his clients the amount of time and dedication that they need and deserve.

Preston began practicing law as a trial attorney for the Douglas County District Attorney's Office in Minden, Nevada. He also worked in the Sale Lake City Prosecutor's Office and later the Salt Lake County District Attorney's Office. During his time as a prosecutor, Preston managed severl hundreds of criminal cases and took over 100 cases to trial.

In addition to his service in the public sector, Preston also has years of private practice experience in the areas of family law, criminal defense, and other civil litigation. As an associate attorney with Eric M. Swinyard & Associates, he managed divorce and family law cases as well as all of the firm's criminal defense cases. Additionally, Preston has received professional training on personal injury law from Day & Nance, Las Vegas Personal Injury Lawyers.

Preston is also a woodworker, sports enthusiast, musician, performer, husband, and father.

State Bar Memberships

  • Utah State Bar
  • Nevada State Bar


  • B.S. University of Nevada – Las Vegas, Cum Laude, 2010
  • J.D. University of Idaho – College of Law, 2013