Our Team

Negin Yamini

Los Angeles DUI Attorney

Managing and Supervising Attorney

At the Los Angeles DUI Attorney, we provide high-quality and zealous representation in misdemeanor and felony driving offenses throughout Los Angeles County, Orange County, San Bernardino County, and Riverside County.  We handle all forms of driving under the influence offenses including DUI of alcohol and drugs, underage DUI, DUI causing injury, DUI causing great bodily injury, hit and run, and vehicular manslaughter.  Our lead attorney, Negin Yamini, has defended numerous DUI cases with a steadfastness, creativity, and relentlessness that sets her apart from many of her peers.

Ms. Yamini offers the following:

Strategic and proactive defense

Negin does not stall and let a case age.  From the very beginning, she explores any and all procedural and substantive defenses relevant to the case, and mounts a defense accordingly.   This allows Negin to locate early on any favorable defenses or strategies in the case.

Independent fact-finding and investigation of the alleged facts

Negin does not take at face value the facts as alleged and presented by the prosecution.  She knows from experience that police officers at times take certain facts out of context, miss relevant information due to a biased or hasty or incomplete investigation, or outright fabricate or exaggerate details.   Negin therefore employs her own investigators and experts to uncover facts favorable to the defense and test and challenge the legitimacy of the scientific evidence presented against you by the prosecution. 

Intimate knowledge of the local courts

DUI laws apply universally to all courthouses in California.  However, every courthouse has its own culture, mores, and expectations about how a DUI case should be prosecuted and punished.  For example, Los Angeles County can more lenient towards first time DUI offenders than Orange County.  For years, Negin has worked in courts throughout Los Angeles, Orange, and Riverside counties and has intricately learned the culture, rules, and procedures endemic to each courthouse.  She knows how to pitch her case and tailor her defense accordingly.  She has also fostered and developed a professional relationship with the judges, court staff, and prosecutors of each courthouse. 

Hands-on Representation

Negin understands the stress involved in facing criminal charges.  She particularly understands the complexities and complications of fighting a DUI case.  For that reason, Negin is accessible to her clients, answering their calls directly and in a timely manner.  Negin and her staff provide moral and emotional support to clients at every stage of a DUI proceeding—from the inception of the case to post-conviction progress reports and hearings. 

Affordable Representation

A fundamental tent of Negin’s philosophy as a DUI attorney is that high-quality representation need not be astronomically or unreasonably expensive.   High-quality representation can and should be affordable.  For that reason, Negin carefully evaluates a DUI case and charges a reasonable fare accordingly.


If you or a loved one has been charged with a DUI or any other driving offense, contact the Los Angeles Criminal Attorneys for a free consultation.  We will carefully examine the specifics of your case, and plan an effective defense accordingly. 

Thomas J. Beck

Thomas J. Beck, Director of Operations

Thomas J. Beck joined Los Angeles DUI Attorney Law firm with the position of Senior Executive and Director of Client Operations. For over two decades, Mr. Beck has worked for industry leaders of consumer law in Arizona. The addition of Mr. Beck to Los Angeles Attorney DUI Law Firm brought a philosophy of success and excellence that is designed to continuously exceed the expectation of our clients. Through hard work and dedication, Mr. Beck has built a respectable name for himself, and for his company. Today, Mr. Beck primarily provides consultations for individuals accused of driving under the influence. In addition to providing free consultations, Mr. Beck has become a critical participant in the DMV Hearings; where he advocates against the suspension of your license. DMV Hearing (Link to DMV Hearing). Mr. Beck has made appearances both in person, and telephonically, on behalf of clients. Mr. Beck’s has developed an expertise in the key aspects of the DMV process, and provides aggressive, yet professional, defenses in an effort to aid clients facing a DUI suspension.

At The Los Angeles DUI Attorney Law Firm, we take the time to provide each and every client the very best customer service in the industry. Our attorneys are available via phone or e-mail all day, every day. Once you hire The Los Angeles DUI Attorney Law, you will receive your attorney’s personal cell-phone and e-mail. Our goal is to provide every client with the level of service that attorneys provide to their only clients. Our staff will take the time to hear your concerns, keep you informed on what is happening with your case, and answer any questions you have. Our team collaborates and fights to obtain the best results possible in your case.

John Park

Director of New Client Development

John Park joins the Los Angeles team as the Director of New Client Development.  He is the first point of contact for all new clients, acting as liaison between attorney and client.  Before coming to the firm, John’s passion for social justice and desire to be an advocate for all people led him into the education sector, working as a lead educator, principal, and marketing director for 15 years.  John strongly believes in the importance of preserving and fighting for the rights of all people.  Through these experiences, John has developed the capacity to clearly and effectively inform new clients on the services of law firm and provide individual care for each client.  He has a Bachelors in Education from the University of Illinois, Urbana-Champaign and a Master of Science in Educational Leadership from the University of Wisconsin, Madison.  His objective is to provide potential clients with utmost care and importance, ensuring their needs are completely met by the firm.


Private Investigator of Counsel

Kevin Roncevich was an armed service member who served with the U.S Navy from 1997 through 2001. Mr. Ronecevich was deployed twice during his service, onboard the USS Abraham Lincoln, to the Persian Gulf as a member of Operation Southern Watch. As a result of his participation in two critical missions, Mr. Roncevich’s service was acknowledged when he received numerous medals for his contributions to the operations.

Personal Accomplishments / Awards:

  • Sea Service Deployment Ribbon (2).
  • Armed Forces Expeditionary Medal (2).
  • Meritorious Unit Commendation (2).
  • Good Conduct Medal.
  • Coast Guard Unit Commendation with Operational Distinguishing Device.
  • Battle “E” Award.
  • Flag Letter of Commendation.
  • Navy Achievement Medal.
  • Letter of Commendation from Rear Admiral, United States Navy.
  • Sailor of the Month.
  • Junior Sailor of the Month.
  • Letter of Appreciation from Commanding Officer HS-4.
  • Letter of Commendation from Commanding Officer HS-4.

After his service to our nation with the US Navy, Mr. Roncevich enrolled, and completed a course of study with the Golden West Police Academy. After working as a patrol officer, Mr. Roncevich was promoted to a position with the local SWAT team. Ultimately, Mr. Roncevich became a criminal investigations detective receiving thousands of hours of training from top experts in the industry. 

Christopher Vaughan

Department of Motor Vehicle Specialist

Chris Vaughan has been one of the leading Administrative Law Specialists at Los Angeles DUI Attorney Law Firm for several years. Mr. Vaughan has spent most of his professional career aiding clients whose entire lifeblood is based on their ability to legally operate a motor vehicle. Whether the client have pilot’s licenses, a commercial license, or any other license, Mr. Vaughan understands the importance of that license. Mr. Vaughan works closely with every client, because he knows how important it to them to maintain their licenses. Mr. Vaughan has represented clients in a vast number of DMV hearings, and has always provided the highest quality of service; he has overseen thousands of hearings, and will thousands more.