Baum Hedlund Aristei & Goldman changed its name to Wisner Baum in January 2023.

Compassionate Truck Accident Attorney in Thousand Oaks

Finding the right attorney is hard. We make it easy.
  • I Can’t Imagine a Better Law Firm

    “Multiple lawyers recommended Wisner Baum to me and I have been consistently impressed with the quality of their work.”

    - Best Law Firms Survey
  • They Are About Changing the Systems...

    “Wisner Baum are not only amazing attorneys but more importantly, they are activists. They are about changing the systems which got us into trouble in the first place. They understand their role in the process of making change.”

    - Kim Witczak
  • Top Legal Minds in the Country

    “The Wisner Baum firm has some of the top legal minds in the country; they are driven, determined, trustworthy, ethical and passionate.”

    - From Best Lawyers® Best Law Firms
  • Diligent & Professional Representation

    “Thanks to your efforts I was able to recover from a tragic experience and turn my life around for the best.”

    - W.T.
  • Our Best Interest Was Always Number One on Your List

    “A special thank you to your Spanish-speaking staff for the extra effort put into this case. The language barrier was never a problem, and we are so very thankful to them. Your name holds much respect in our family.”

    - G.C. & C.C
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Don’t Pay the Price for Another’s Negligence

Let Our Commercial Vehicle Accident Firm Seek Justice on Your Behalf: 855-948-5098

Due to the large size discrepancy in comparison to other vehicles on the road, truck collisions often lead to severe injuries. Passenger vehicles often bear the brunt of the damage. If you or your loved one was injured in a commercial truck accident, we encourage you to contact our firm. At Wisner Baum, we represent severely injured clients in Thousand Oaks and the surrounding areas. We offer compassionate support while delivering tenacious advocacy. You can count on us to serve as your powerful voice. We will do everything within our power to maximize your compensation because we genuinely care about your case and future well-being.

Don’t Let the Statute of Limitations Expire on Your Case: 855-948-5098

Free Consultation

You don’t pay unless we win your case.
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Meet Our Firm

We won’t let you go through this process alone. We’re here for you.
  • R. Brent  Wisner Photo
    R. Brent Wisner

    Attorney, Managing Partner

    R. Brent Wisner is the managing partner of Wisner Baum and is based at our San Francisco Bay Area office. Brent is driven by a deep-rooted passion for using the law to help those who have been marginalized and hurt by large, and sometimes malicious, ...
    • California Powerhouse
    • Verdicts Hall of Fame
    • Top Jury Verdict in <br> CA and USA
  • Michael L. Baum Photo
    Michael L. Baum

    Attorney, Senior Partner

    Michael L. Baum is a senior partner of Wisner Baum (formerly Baum Hedlund Aristei & Goldman) with nearly 40 years of experience. He was the managing partner of Baum Hedlund from 1993 to 2022 and proudly turned over the reins to R. Brent Wisner in ...
    • Avvo 10.0 Rating
    • Top Jury Verdict in <br> CA and USA
    • Product Liability Practice Group of the Year
    • Top Personal Injury Jury Verdict in California
  • Bijan  Esfandiari Photo
    Bijan Esfandiari

    Attorney, Senior Partner

    Bijan Esfandiari is a pharmaceutical product liability litigation attorney and senior partner at Wisner Baum in Los Angeles. Since joining the firm in 2007, Bijan has worked as lead counsel on several cutting-edge pharmaceutical and medical device ca ...
    • Avvo 10.0 Rating
    • 15+ Years of Experience
    • National Trial Lawyers Top 100
  • Timothy A. Loranger Photo
    Timothy A. Loranger

    Attorney, Senior Partner, Pilot, Marine Corps Veteran

    Timothy A. Loranger is an attorney and senior partner at the national mass disaster law firm of Wisner Baum. A consumer attorney, pilot, and avid citizen advocate , Tim oversees our firm's transportation product liability litigation, aviation, and commercial ground transportation accidents (including truck accidents , train crashes, and military vehicle accidents), and military accidents resulting in catastrophic personal injury or wrongful death . He served as Chairman of the Aviation Law ...
    • Avvo 10.0 Rating
    • 15+ Years of Experience
    • Best Lawyers- Timothy A. Loranger
    • Lawyer of the Year by Best Lawyers
  • Monique  Alarcon Photo
    Monique Alarcon

    Attorney

    Monique Alarcon is an attorney in the Los Angeles office of Wisner Baum where she focuses her practice on the firm’s medical device cases, pharmaceutical drug liability and consumer fraud litigation. She is also an adjunct Professor of Law for Loyola Law School’s Hispanic National Bar Association (HNBA) Moot Court Team. Monique recently successfully sued the Burbank Police Department (California) for police misconduct, civil rights violations, assault, battery, unlawful seizure, excessive force ...
    • Top 40 Under 40
    • Bar Register of Preeminent Lawyers
  • W. Crawford  Appleby IV Photo
    W. Crawford Appleby IV

    Attorney

    William Crawford Appleby IV is an attorney in the Los Angeles office of Wisner Baum. He focuses on complex law and motion matters, in-depth legal research and writing, and case strategy. Utilizing these skills, Crawford helps maximize case value by digging deep into both United States and foreign law to obtain the best outcome for Wisner Baum’s clients. He contributes to cases at both the trial and appellate level by, among other things, drafting briefs, compiling and analyzing legislative ...
    • Elite Trial Lawyers
    • Top 40 Under 40
    • Super Lawyers Rising Star- William Crawford Appleby IV
  • Pedram  Esfandiary Photo
    Pedram Esfandiary

    Attorney, Partner

    Pedram Esfandiary is a partner and trial attorney based in the Los Angeles office of Wisner Baum, where he concentrates his practice on toxic tort injuries, pharmaceutical drug liability, class actions, consumer fraud litigation and police misconduct lawsuits. He was promoted to partner in March 2023 . He is the youngest lawyer to earn this distinction at the firm. He is currently leading the firm’s legal team handling the toxic baby food litigation. This new mass tort litigation involves ...
    • Top Jury Verdict in <br> CA and USA
    • Product Liability Practice Group of the Year
    • Top Personal Injury Jury Verdict in California
    • Elite Trial Lawyers
  • Adam M. Foster Photo
    Adam M. Foster

    Attorney

    Adam M. Foster is an attorney in the Los Angeles office of Wisner Baum. Adam concentrates his practice on class actions and mass torts particularly those related to pharmaceuticals, consumer products, and products liability, generally. During his years at Wisner Baum, Adam has worked on a variety of cases including Zantac, Roundup, and other similar cases. In that time, SuperLawyers®, the National Trial Lawyers, and Best Lawyers® have all recognized Adam’s work, naming him a Rising Star, a Top ...
    • Top 40 Under 40
    • Bar Register of Preeminent Lawyers
  • Matthew P. French Photo
    Matthew P. French

    Attorney

    Matthew P. French is an attorney at Wisner Baum’s Los Angeles office, where he focuses his practice on the firm’s commercial transportation accident cases. Led by a strong desire to help people when they need it most, Matthew’s clients appreciate his empathetic approach to how he handles his cases. Before coming to Wisner Baum, Matthew was an associate attorney at a Los Angeles area law firm where he focused on personal injury cases and handled all aspects of civil litigation. KGO ABC7 News ...
  • Ari S. Friedman Photo
    Ari S. Friedman

    Attorney, Partner

    Ari Friedman is a partner and trial attorney at Wisner Baum where he focuses his practice on complex and multi-district litigation, product liability, and personal injury and wrongful death cases stemming from transportation accidents (including aviation accidents and truck crashes ) and other catastrophic injury (including TBI ). He joined Wisner Baum in 2022. Over the past decade, Ari has worked at other prominent law firms where he has handled complex litigation involving corporate ...
    • Top 40 Under 40
    • Super Lawyers - Ari S. Friedman
  • Harrison E. James Photo
    Harrison E. James

    Attorney

    Harrison E. James is an attorney in the Los Angeles office of Wisner Baum, where he focuses his practice on the firm’s pharmaceutical drug liability, class action, and consumer fraud litigation. Harrison joined Wisner Baum in May 2019 as a law clerk while he was still a student at UCLA School of Law. He was hired as an attorney in May 2021 after passing the California bar exam. During his time at UCLA, Harrison was the Chief Managing Editor of the Pacific Basin Law Journal. He was also a member ...
  • Mayra  Maturana Photo
    Mayra Maturana

    Attorney

    Mayra Maturana is an attorney in the Los Angeles office of Wisner Baum where she concentrates her practice on toxic tort injuries. She is part of firm’s legal team handling the toxic baby food litigation. Before joining Wisner Baum, Mayra gained experience in family law, immigration, and personal injury. A graduate from Southwestern Law School, Mayra competed and was honored as brief writer finalist for the Moot Court Honors Program Intramural Competition during her first year of law school. She ...
  • Clay  Robbins III Photo
    Clay Robbins III

    Attorney, Partner

    Clay Robbins III is an attorney and partner in the Los Angeles office of Wisner Baum. A third-generation California lawyer, Clay concentrates his practice on commercial transportation accident litigation and mass disasters. For 40 years, Clay has championed the rights of victims and their families in personal injury and wrongful death lawsuits across the nation stemming from major accidents involving aviation, boats, buses, trains, tractor-trailers and auto defects. Prior to joining our law ...
    • Best Lawyers - Clay Robbins
    • 35+ Years of Experience
    • AV Rated
  • Stephanie B. Sherman Photo
    Stephanie B. Sherman

    Attorney, Partner

    Stephanie B. Sherman is a multiple award-winning trial lawyer and partner at Wisner Baum. With over 20 years of experience, she has helped thousands of clients in serious personal injury, wrongful death, product liability, chemical exposure, and dangerous pharmaceutical cases. Stephanie believes that obstacles reveal opportunities. Her background in psychology and the law gives her the unique ability to understand the complexities of trauma and the human experience while thoughtfully guiding her ...
  • Helen E. Tokar Photo
    Helen E. Tokar

    Attorney

    Helen E. Tokar is an attorney in the Los Angeles office of Wisner Baum where she focuses her practice on the firm’s Zantac cancer litigation. For eight years before joining Wisner Baum, Helen gained considerable experience handling a variety of practice areas, including criminal defense and landlord/tenant law. She was also responsible for a substantial caseload of personal injury cases where she handled everything from A to Z. She litigated cases, wrote demands, conducted discovery and ...
  • Cara J. Luther Photo
    Cara J. Luther

    Attorney of Counsel

    Cara J. Luther is of counsel to Wisner Baum, focusing on the firm’s mass disaster cases and commercial transportation accident cases. She worked for 31 years as a full-time attorney at the firm until 2022. She concentrates her practice on catastrophic personal injury and wrongful death cases stemming from aviation accidents (including airline, helicopter and small planes), bus crashes, rail disasters, commercial truck crashes and defective pharmaceutical products . Helping her clients through ...
    • 30 Years of Experience
    • Client Distinction Award
    • Bar Register of Preeminent Lawyers
  • Frances M. Phares Photo
    Frances M. Phares

    Attorney of Counsel

    Frances M. Phares is of counsel to Wisner Baum, where she focuses her practice on personal injury and wrongful death litigation stemming from major transportation disasters , pharmaceutical product liability cases and toxic exposure across the nation. Ms. Phares earned her law degree from Tulane University Law School and holds an undergraduate degree in Zoology from Louisiana State University . While in law school she clerked for the Orleans Parish District Attorney and tutored Tulane ...
    • Avvo 10.0 Rating
    • 35+ Years of Experience
    • AV Rated
    • Avvo Client's Choice
  • Mark H. Schlein Photo
    Mark H. Schlein

    Attorney of Counsel

    Mark H. Schlein transitioned to ”of counsel” status to Wisner Baum in 2022 and continues to focus on the firm’s whistleblower qui tam cases. For 11 years he worked full time as the firm’s top whistleblower attorney, handling dozens of whistleblower cases. Throughout a career spanning over 50 years as a police officer and a lawyer , Mark has been committed to public service and protection. His unique experience as an urban police officer and attorney makes him particularly effective fighting ...
    • 45+ Years of Experience
    • Distinguished AV Rating
    • Multi-Million Dollar Advocates Forum
    • Florida Association of Police Attorneys
  • Ronald L. M. Goldman Photo
    Ronald L. M. Goldman

    Pilot, Attorney of Counsel, Retired

    Ronald L. M. Goldman retired after 60 years in the practice of law on January 10, 2023. He held the positions of vice president and senior trial attorney at Baum Hedlund & Aristei & Goldman (now Wisner Baum) and was a pillar of Baum Hedlund for 19 years. We marked his retirement with this special commemorative article. While practicing, Ron was a skilled trial lawyer and board-certified by the National Board of Trial Advocacy as a Civil Pretrial Practice Advocate and Civil Trial Advocate, Senior ...
    • Avvo 10.0 Rating
    • 55+ Years of Experience
    • Best Lawyers- Ronald L. M. Goldman
  • John A. Greaves Photo
    John A. Greaves

    Consulting Counsel, Retired Air Transport Pilot

    AVVO Superb Score 10 out of 10 | AV Preeminent Peer Review Rated John A. Greaves is an experienced airline transport pilot and a former airline captain. He is also a seasoned airline accident lawyer. John has represented hundreds of airline accident victims in more than 35 airline disasters, representing clients in virtually every major U.S. airline disaster in the last 20 years. He was on the legal team that negotiated one of Baum Hedlund’s most significant aviation litigation achievements when ...
    • Avvo 10.0 Rating
    • 25+ Years of Experience
    • AV Rated
    • Aviation Counsel Flyers
  • Paul J. Hedlund Photo
    Paul J. Hedlund

    Senior Shareholder, Mechanical Engineer, Retired

    Paul J. Hedlund was an attorney for 45 years and a member of our team at Baum Hedlund Aristei & Goldman for 30 of those years. He served as one of the firm’s senior shareholders for more than 20 years, overseeing the firm’s major transportation accident cases. Paul focused his practice on commercial transportation accidents including, aviation, bus, train and truck crashes. He received his degree in Mechanical Engineering from the University of Michigan and his law degree from UCLA. Over the ...
    • Avvo 10.0 Rating
    • 45+ Years of Experience
    • AV Rated
    • Client Distinction Award
  • J. Clark  Aristei Photo
    J. Clark Aristei

    Senior Shareholder, Deceased

    J. Clark Aristei was an attorney for more than 40 years and a member of our team at Wisner Baum for 26 of those years. Clark served as a senior shareholder for more than two decades and then semi-retired while also acting as Of Counsel to our firm. During his time at Baum Hedlund, Clark focused on all of the firm’s commercial transportation disaster litigation stemming from aviation, bus, maritime, train, and truck accidents. In Memory of Wisner Baum Senior Partner J. Clark Aristei: A Lawyer’s ...
    • Avvo 10.0 Rating
    • 40+ Years of Experience
    • AV Rated
    • Bar Register of Preeminent Lawyers
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We Help Get the Results & Compensation You Need

When you have us standing by your side, you don’t need to worry.

  • Toxic Torts $2.0 Billion Verdict

    In May of 2019, the jury in the case of Pilliod et al. v, Monsanto Company ordered the agrochemical giant to pay $2.055 billion in damages to the plaintiffs, Alva and Alberta Pilliod, a Bay Area couple in their 70s.

  • Pharmaceutical Settlement $105 Million Settlement

    Wisner Baum obtained $105 million on behalf of multiple clients involved in a pharmaceutical negligence case.

  • Whistleblower Settlement $18 Million Settlement

    Wisner Baum secured an $18 million settlement against the Boeing Company for overcharging the U.S. government on aircraft maintenance.

  • A Major US Plane Crash $17.5 Million Settlement

    Wisner Baum obtained a $17.5 million settlement on behalf of a client who was killed in a major U.S. plane crash.

  • Commercial Truck Accident $15 Million Settlement

    Wisner Baum secured a $15 million settlement for a person gravely injured by a major truck company.

  • Commercial Truck Accident $8.5 Million Verdict

    Wisner Baum secured a $8.5 million wrongful death verdict against the food industry company, Tyson Foods, for the wrongful death of a young man.

What We Can Offer You During This Difficult Time

  • Increased Risk

    Major study finds that taking Tylenol during pregnancy is associated with a 19% increased risk of autism and 21% increased risk of ADHD.

  • Over $4 Billion Won For Our Clients

    Our history of success reflects our relentless pursuit of justice and unwavering dedication to achieving the best possible outcome for every case we handle.

  • You Won't Pay Unless We Win

    Our personal injury firm is dedicated to fighting for the rights of our clients and obtaining maximum compensation on a contingency basis.

  • Known Dangers

    Tylenol autism lawsuits allege drug makers and retailers like Walmart, CVS, and others failed to warn parents of autism link despite knowing of the dangers.

  • Available Compensation

    Parents can seek financial compensation for their child’s treatments, therapy, medical expenses, and other damages resulting from the diagnosis.

  • A Leading Pharmaceutical Litigation Firm

Take the First Step & Contact Us Today

Call 855-948-5098 or fill out the form to get started with a free consultation.
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