Diamond Bar DUI & DWI Lawyers

Vitaly Sigal has extensive trial experience and is not afraid to take your case to trial if necessary. From straightforward to complex litigation, Mr. Sigal handles every case with the same intensity and commitment he would expect for his own family. With over two decades of experience, Mr. Sigal has the skills and knowledge needed to aggressively represent individuals involved in various types of criminal matters including state, federal and appellate work.

A highly experienced Los Angeles criminal defense attorney, David D. Diamond has dedicated his legal practice to defending the rights of clients throughout the Los Angeles area who have been arrested for or accused of all types of criminal offenses. Mr. Diamond provides aggressive representation to clients throughout the criminal court process and also handles criminal appeals and expungements as well. By providing his clients with personalized attention, aggressive representation and one-on-one service through every step of their cases, our firm strives to provide our clients with the best legal counsel possible.

Negin Yamini practices exclusively criminal defense in Orange and Los Angeles counties. Negin routinely defends the accused against all criminal charges including driving under the influence of drug and alcohol, domestic violence, child abuse and molestation, rape and sexual assault, robbery, and white-collar offenses. Amongst Negin’s noteworthy accomplishments are a hung jury and subsequent dismissal of a hit and run charge against a Los Angeles County firefighter, a hung jury and subsequent dismissal of assault with a deadly weapon charges against a San Bernardino County nurse, a swift 15-minute jury acquittal on pimping and pandering and prostitution charges arising...

In 2015, The National Trial Lawyers recognized Mr. Villegas as being one of the Top 100 Criminal Defense Trial Lawyers in California. Mr. Villegas also serves as a member of the Executive Committee of the Los Angeles County Bar Association's (LACBA) Criminal Justice Section. After dedicating over seven years of his career to serving as a government lawyer handling complex criminal law cases, Mr. Villegas now operates The AVjustice Law Firm. Mr. Villegas has handled approximately 10,000 criminal law cases in his career, involving all types of charges including but not limited to, driving under the influence (DUI), domestic violence, drug...

Kathleen G. Alvarado is an accomplished advocate who is relentless in her goals of obtaining the best settlements and verdicts for her clients. She is not afraid to be firm in her convictions. She leaves no stone unturned, and investigates every option available when working for her clients. Ms. Alvarado is a graduate of Loyola Marymount where she earned her undergraduate degree. She earned her Juris Doctor degree at Loyola Law School. Prior to entering private practice, Ms. Alvarado served as a Deputy District Attorney for San Bernardino. While serving as a Deputy District Attorney for...

Ronald D. MacGregor, Esq. received his Juris Doctorate from the University of Pacific's McGeorge School of Law and became licensed to practice law in the state of California in 1973. For nearly the past four decades Mr. MacGregor has appeared before the California Supreme Court, the California Court of Appeal, and multiple California Superior Courts. Additionally, he has appeared before the United States District Court zealously representing clients in the Federal arena. Mr. MacGregor represents clients charged with crimes ranging from driving under the influence to Capital Murder charges. His primary focus is on trial advocacy and pre-trial negotiations in...

Matthew Cargal graduated from the University of California, Berkeley with a Bachelor of Arts degree in political science in 1986. In 1992, he graduated from Golden Gate University School of Law and passed the State Bar exam of California that same year. While in law school Mr. Cargal was a member of the mock trial team and an intern with both the San Francisco and Santa Clara Public Defender’s Office. After law school, Mr. Cargal worked as a criminal defense attorney for Public Defenders and private attorneys including as an Associate Attorney from 1995-1997 with the Law Offices of Myles...

Dedicated Criminal Defense Attorney If you’re facing criminal charges, it’s important to act fast. The stakes are high — your freedom and your future could be at risk. Joe Galasso is an experienced, dedicated criminal defense attorney, here to offer you effective and aggressive legal representation in your time of need. As your criminal defense lawyer, Joe will work tirelessly to bring your case to a timely and favorable conclusion. By handling thousands of cases, ranging from low-level infractions to serious, violent felonies, Joe fully understands the various arresting agencies and prosecuting offices in the county, which gives him...

Arthur Corona is a United States NAVY Veteran and graduate of California State University Fullerton where he earned a dual Bachelor’s degree in Political Science and Philosophy. Upon graduation, Mr. Corona attended University of California Hasting College of the Law where he obtained his law degree. Mr. Corona’s practice focuses on Family law matters and criminal defense. He has handled hundreds of trial cases in family, dependency and criminal court with great success.

In the family courts, Mr. Corona has represented various clients dealing with complex divorce and child custody issues ranging from domestic violence restraining orders to child custody...

I have practiced law for over 40 years in the Los Angeles area. I attended U.C.L.A. and graduated Loyola Law School. I have handled thousands of criminal cases, state and federal, all the from arraignment to trial to appeals in the Supreme Court. I have covered all criminal defense cases from misdemeanors to murder. I am licensed to practice before all the Courts of the State of California and in the Northern, Central and Southern U.S. District Courts, the 9th Circuit Court of Appeal and the U.S. Supreme Court. I am happy to evaluate your...

Mark Waecker was admitted to practice law in October 1978 and has, since that time, been a member of the California State Bar, in continuously good standing. His stellar experience inside the criminal process field for over 35 years has served American, Korean, Chinese and Spanish speaking clientele all with a high-level of successful custom-designed defenses. Mark has devoted decades to improving his skills and calls upon reputable experienced resources to design a strategy for each client.

DUI Defense Attorney Manuel J. Barba is an expert in DUI Defense and is dedicated to defending people accused of DUI, as well as other driving related cases. Attorney Manuel J. Barba awards and designations: - Forensic Lawyer-Scientist Designation from the American Chemical Society, Chemistry and the Law Division. - AV® Preeminent™ rating from Martindale-Hubbell®. - Superb 10 rating by Avvo.com, the highest rating a lawyer can receive. - Specialist member of the California DUI Lawyers Association - Nationally recognized Standardized Field Sobriety Test Instructor - Trained in Advanced Roadside...

Stephen Demik specializes in complex civil and criminal litigation, and trials of all types. He is an experienced trial attorney, practicing in state and federal courts for nearly 15 years. He speaks Spanish proficiently. A graduate of University of California, Hastings College of the Law and a faculty teacher at the Trial Lawyers College, Stephen Demik has a wide background in many areas– from civil plaintiffs work to criminal defense, from tribal court to immigration law, from juvenile court to Guantanamo Bay. For over 14 years, he has tried cases in both state and federal court, in both South Dakota and...

For over three decades, I have been helping individuals charged with serious crimes. I have prosecuted and defended thousands of adults and juveniles charged with every type of felony and misdemeanor crime. Specializing in the field of criminal law, I am a recognized expert in Drunk Driving, Addiction-related offenses and Juvenile Law.

The Law Offices of Robert Yousefian was found in 1993 by Glendale criminal defense attorney Robert Yousefian. An excellent track record and aggressive representation has made Robert Yousefian one the most prominent criminal defense lawyers in Glendale, CA. On top of Criminal Defense, the Law Offices of Robert Yousefian provides various legal services and represent clients in personal injury, civil litigation, immigration law, and DUI cases. Lead by Glendale personal injury attorney Arsineh Aghakhani, our law firm provides professional and expert care with every case.

I graduated from the UC Davis where I received my BA in Sociology of Law & Society. I then attended the University of California, Hastings College of the Law where I received my JD and while I was there I won the American Jurisprudence Award in trial advocacy. Following law school, I became a Deputy District Attorney where I prosecuted cases ranging from driving under the influence to homicide. I then became a litigator with a prominent multinational law firm. In 1998 I founded The Law Offices of Robin D. Perry & Associates and have handled numerous high profile criminal, business...

I pride myself on being an advocate for those accused of any criminal matter. I focus on criminal defense and have represented clients from minor traffic tickets to serious felony allegations. Defending traffic tickets includes, but not limited to defending speeding tickets, recalling active bench warrants, restoring drivers licenses, red light camera tickets, illegal u-turns, modification tickets, and any moving violation. We have successfully defended over a thousand traffic tickets!

In addition, we have successfully defended against DUI/DWI, speed contest, exhibition of speed, domestic violence, and serious felonies such as police evasion, battery/assault with a weapon, and more.

Representing clients throughout the...

Jesse Ruiz graduated from University of California, Los Angeles and attended Western State Law School. Mr. Ruiz began working in criminal defense to assist those under investigation or accused of a crime. Mr. Ruiz has developed a reputation for protecting his client’s interest from the beginning of an investigation, until the conclusion of a case.

In 2010, Mr. Ruiz began his legal career at the Los Angeles District Attorney’s office where he learned to think like a prosecutor and quickly understood that not all cases are the same. After working with the Los Angeles District Attorney’s office, Mr. Ruiz became a...

Henrik Karapetian received his Bachelor of Science degree in Business Law from California State University, Northridge. He is also a graduate of the highly-regarded Loyola Law School of Loyola Marymount University located in Downtown Los Angeles. Mr. Karapetian is admitted to practice before all courts in the State of California, as well as the United States District Court for the Central District of California. He is a member of the American and Los Angeles County Bar Associations. After years of legal practice, Mr. Karapetian founded The Law Office of Henrik Karapetian to provide efficient and effective yet aggressive...

Post & Post, A Professional Corporation represents clients in matters of criminal defense and family law. Whether you have been arrested for a first time misdemeanor DUI offense or are facing felony charges dealing with violence or drugs, you deserve an aggressive advocate to protect your legal rights. Former Deputy District Attorney and UC Davis Law graduate, lawyer Adam J. Post fights diligently for his clients to ensure that they receive the best outcome possible. He defends clients against all types of criminal charges including crimes of theft, burglary, robbery, drug offenses, DUI - driving under the influence, arson, juvenile...

If you are facing criminal charges and are in need of a criminal defense lawyer, representation from Attorney Sudar may be beneficial for you. As a former Deputy District Attorney for Los Angeles County, criminal defense lawyer Richard M. Sudar is able to maintain a unique vision of the opposition’s side and use his experience to predict how the prosecution’s side is thinking. Attorney Sudar provides his clients with aggressive representation and uses his skills and dedication to build the strongest defense possible. With over 14 years of experience in criminal defense, Attorney Sudar has become well-respected by prosecutors and...