Sergio M. Quiñones

Associate Attorney My goals are to help, to be a zealous advocate, and to understand the issues that are important to my clients. While at the same time being competent, prompt, and diligent.

About Sergio:

Sergio graduated from Marquette University Law School in 2019. While in law school, Sergio was a member of moot court and competed in the 27th Annual Duberstein Moot Court Competition. Sergio was also a member of the Marquette Sports Law Review, Hispanic Law Student Association, and Business Law Society.

Sergio’s Areas of Practice:

As a member of Rizzo & Diersen’s business group, Sergio’s practice primarily focuses on real estate, transactional law and general corporate matters. His goal is to help entrepreneurs, small businesses, and start-ups successfully manage their endeavors.

Additional Information About Sergio:

Based out of Milwaukee, but a native New Mexican, Sergio likes to spend his time trying out new food recipes (especially spicy ones), working out, and watching Seinfeld re-runs. He also considers himself somewhat of an ice cream connoisseur; his family has owned and operated an ice cream shop since 2007. Sergio habla Español.


  • State Bar of Wisconsin
  • Milwaukee Young Lawyers Association
  • Milwaukee Bar Association
  • Marquette Volunteer Legal Clinic


  • New Mexico State University (B.B.A. 2015)
  • Marquette University Law School (J.D. 2019) – Thomas More Scholar


  • 2019 – Wisconsin

Areas of Practice:

  • Business & Commercial Law
  • Mergers & Acquisitions
  • Real Estate Transactions


Email: smq@rizzolaw.com

LinkedIn: https://www.linkedin.com/in/sergio-quinones/