Craig Mastantuono

Recognized in the Milwaukee community as a leading criminal defense lawyer, Craig Mastantuono relies on extensive experience to generate positive outcomes for his clients. His practice is focused on defending clients facing criminal charges across Wisconsin with an aggressive approach to litigation, and bringing a problem-solving perspective to negotiations. Craig's dedication to his clients and to helping them through their cases is unrivaled: he is well-known for taking the time to get to the root of client issues, referring clients for treatment, and effectively representing their experiences to prosecutors and judges. Craig has been recognized in Wisconsin Super Lawyers as a top criminal defense lawyer, voted by his colleagues each year for over a decade, and serves as an adjunct professor at the Marquette University Law School. He received his law degree from DePaul University of Chicago and his undergraduate degree cum laude from Loyola University of Chicago.

Rebecca Coffee

Rebecca Coffee has earned a reputation as an aggressive and skilled criminal defense attorney, consistently winning trials and creating positive results for her clients. She has extensive experience in a variety of criminal defense cases, including gun-related charges, domestic violence accusations, and drug-related charges. Rebecca spends time working with and listening to her clients, and she works hard to fight for the best outcome from day one. She is a Board Chair of the Wisconsin Association of Criminal Defense Lawyers (WACDL), and she received her law degree from Marquette University Law School and her undergraduate degree in criminal justice from the University of Wisconsin-Milwaukee.

Leah Thomas

Practicing in state, municipal, and federal courts, Leah Thomas has earned a reputation as a tough and relentless courtroom lawyer who fights hard for her clients. She invests time with her clients to listen, to explain the legal process, and to set outcome goals. Representing clients facing all criminal charges, Leah specializes in drunk driving and criminal traffic defense. She received her law degree from Marquette University Law School and her undergraduate degree in sociology/criminal justice magna cum laude from the University of Wisconsin-Whitewater.

Guadalupe Murillo

Legal Assistant
As part of the team-oriented defense at Mastantuono & Coffee, Guadalupe works closely with the attorneys to contribute to the best representation possible for each client. She brings her legal experience and customer service skills to these efforts, ensuring consistency and attention to our client service. We understand that questions and concerns arise outside of attorney meetings. If an attorney is unavailable when you call, Guadalupe will do her best to assist you and route a message directly to your attorney. This connection to our clients produces better case results. Also fluent in Spanish, Guadalupe assists our clients with referrals for treatment services and attends to a variety of other legal needs.

Samotria Matthews

Client Services Coordinator
Because our approach at Mastantuono & Coffee is to help people overcome their problems, we invest extensive resources and staff time counseling our clients and guiding them through the unfamiliar process involved in a court case or investigation. As a client services coordinator, Sam works directly with our clients and the attorneys to ensure there is open communication, and follow through with case goals. She assists our clients with referrals for treatment services, with monitoring deferred prosecution and diversion agreements, and connecting clients with resources necessary to achieve the best case results.

Marcus Ruiz

Using his experience as a U.S. Marine Corporal from 2003 to 2009, including two tours of active combat duty in Iraq, Marcus Ruiz spent five years at Mastantuono & Coffee SC, assisting attorneys with all investigation needs. He completed his degree at University of Wisconsin-Milwaukee and spent five years in an auditing position with a Fortune 500 company, while retaining his role as M&C Law's emeritus investigator. Marcus returned to the firm in 2021. He is a thorough investigator, reviewing police cases, and providing expertise on cases involving firearms and self-defense, bringing his experience as a firearms expert and marksman during his Marine service.