Mark Fleming is a partner in Singleton Schreiber’s San Diego office and a member of our Mass Tort and Civil Rights practice groups. Known for complex trials, Mr. Fleming is one of the few attorneys in the country to have tried over 100 cases before federal juries. He is a frequent presenter at advanced trial skills seminars. In March 2022, Mr. Fleming and his co-counsel, Timothy Scott, represented the family of a young man killed by the San Diego Sheriffs Department. A federal jury returned an $85 million verdict for the family. It is the largest civil rights wrongful death verdict in history. The results achieved in this case, Estate of Phounsy v. County of San Diego, et al., earned recognition as one of the Top 10 Verdicts in California for 2022 on TopVerdicts.com In February 2020, after a seven-month RICO murder trial, a Las Vegas federal jury acquitted Mr. Fleming’s client, the International President of the Vagos Motorcycle Club, of all charges, including conspiracy to commit murder. In 2006, Mr. Fleming represented Barry Mills, the lead defendant in the largest RICO federal death penalty trial in U.S. history. After an eleven-month trial, the jury rejected the death penalty sought by the government in favor of a life sentence for Mr. Mills, who was accused of ordering 32 murders in United States v. Barry Mills, et. al. Mr. Fleming started his career as a trial attorney at Federal Defenders of San Diego in 1993. After honing his trial and appellate skills there for five years, he returned to his home state to serve as a trial attorney with New York County Defender Services in Manhattan. In 2000, Mr. Fleming was recruited back to Federal Defenders of San Diego, where he supervised a trial team of ten attorneys. In 2004, he started his own practice devoted to complex civil and criminal federal litigation. Each year since 2008, Mr. Fleming has been selected for inclusion in Super Lawyers of San Diego, a peer-recognition honor reserved for the top 5% of San Diego lawyers. And for the past seven years, Mr. Fleming has been recognized as a top litigator in Best Lawyers in Southern California Magazine. In his free time, Mr. Fleming enjoys snowboarding, playing guitar, and spending time with his family.

Zachary Pangares is an Associate Attorney at Singleton Schreiber, where he focuses on Fire Litigation and complex civil matters. A skilled trial lawyer, Zachary brings a strategic, client-centered approach to litigation, drawing from a diverse professional background and a commitment to justice. He has successfully represented clients in both federal and state courts, including high-profile and precedent-setting cases. Before entering the legal field, Zachary served as a healthcare administrator for one of the nation's largest healthcare systems, where he concentrated on strategy, system transformation, and behavioral health. He leverages this experience to deliver pragmatic legal strategies and effective client advocacy, particularly in cases involving personal injury, medical malpractice, and civil rights. Zachary began his legal career as a judicial extern for the Honorable Benjamin H. Settle in the U.S. District Court for the Western District of Washington, where he gained valuable judicial insight in a fast-paced federal courtroom. He then joined a boutique litigation firm focused on the representation of survivors of sexual abuse and other violent crimes, helping secure substantial awards for his clients. Notable cases include the largest settlement in Oregon history involving a public school district for the sexual abuse of a student, as well as an eight-figure settlement with the U.S. government for the abuse of Native American children by an IHS pediatrician—achieved under a novel breach of treaty theory. Zachary earned his Juris Doctor, cum laude, from Seattle University School of Law, where he served as the Managing Editor of the Seattle University Law Review. He holds a Bachelor of Science in Public Health from Oregon State University. Zachary is admitted to practice in Oregon, the U.S. District Court for the District of Oregon, and the U.S. Court of Federal Claims.

John Lemon is a seasoned trial and appellate lawyer with over 25 years’ experience handling complex, high-stakes cases in state and federal trial courts and in the federal appellate courts. With over 50 cases tried to verdict and at least as many arguments before the Ninth Circuit Court of Appeals, Mr. Lemon has won favorable verdicts and appellate decisions in the most serious and complex criminal cases, including theft of trade secrets, racketeering, and murder. Since joining Singleton Schreiber in 2021, he has led the firm’s liability teams in several major fire cases and other mass torts. In July 2025 – acting as lead counsel in a civil trial for the first time – he won an $11.1M verdict in a personal-injury case arising from a road-rage assault. Mr. Lemon is certified by the National Board of Trial Advocacy and the State Bar of California as a trial specialist. He was a San Diego Daily Transcript “Top Attorney” for 2009 and was the Best Lawyers 2021 Lawyer of the Year in San Diego for criminal defense. He is AV rated (the highest peer rating for legal ability and ethical standards) by Martindale Hubbell and has been recognized in San Diego Super Lawyers and Best Lawyers in America every year since 2008 and 2014, respectively. He holds a B.A. in Letters with Distinction from the University of Oklahoma and a J.D. from Stanford.

Liam Barrett serves as an Associate Attorney in the Civil Rights practice group at Singleton Schreiber, where he is dedicated to advocating for individuals whose voices are too often unheard. With a strong foundation in public interest law, Liam has represented clients across a range of practice areas, forums, and jurisdictions, focusing on advancing justice and protecting constitutional rights. Before joining Singleton Schreiber, Liam practiced family and immigration law at a nonprofit in Washington, D.C., and later represented tenants in eviction cases with the Legal Aid Society of San Diego. He also gained valuable experience through two clerkships in the U.S. District Court for the Southern District of California. Liam earned his law degree, cum laude, from Georgetown University Law Center, where he developed his passion for civil rights work as a member of the Civil Rights Clinic, representing clients in federal courts across D.C., Maryland, and Virginia. He received his bachelor's degree in political science–American politics, magna cum laude, from the University of California, San Diego. Born and raised in San Diego, Liam remains deeply connected to his community through volunteer and civic engagement efforts. Outside of work, he enjoys surfing, reading, and spending time with family and friends while exploring his hometown.

Cassandra Griffith is an Associate Attorney at Singleton Schreiber’s San Diego office, where she focuses on personal injury. With more than six years of experience representing plaintiffs in personal injury cases, Cassandra brings comprehensive litigation skills and a deep commitment to advocating for clients who have been injured through the negligence of others. Fluent in Spanish, she is able to serve the diverse communities of San Diego with cultural understanding and accessibility. Cassandra manages a substantial caseload of personal injury matters, guiding clients through every stage of the litigation process. Her experience includes drafting demand packages, conducting settlement negotiations, initiating lawsuits, managing discovery, taking and defending depositions, and preparing cases for mediation and trial. She consults with medical and accident reconstruction experts to build strong cases and ensure her clients receive the compensation they deserve. Her approach combines strategic legal thinking with genuine empathy for those she represents. Before joining Singleton Schreiber, Cassandra served as Head of the Pre-Litigation Department at a prominent San Diego law firm, where she managed more than 200 plaintiff personal injury cases. Earlier in her career, she gained valuable experience as a Certified Legal Intern at the San Diego City Attorney's Office, where she second-chaired multiple trials, and as a Legal Intern at the Legal Aid Society of San Diego, where her service earned her both the Outstanding Service Award and the prestigious Wiley W. Manuel Award. Cassandra also served as a Judicial Extern for Justice Terry O'Rourke at the California Court of Appeal, Fourth Appellate District, Division One. Cassandra earned her Juris Doctor from California Western School of Law, where she was a Diversity Scholarship recipient and member of the Pro Bono Honor Society. She graduated cum laude from Chestnut Hill College with a Bachelor of Arts in English Literature and minors in Spanish and International Business. She is admitted to practice in California. She is a member of the San Diego County Bar Association, Consumer Attorneys of San Diego, and the San Diego Lawyers Club. A native San Diegan who grew up in the Chula Vista area, Cassandra is married with two young children and two dogs. She enjoys spending time with her family, traveling, baking, gardening, and staying active.

Ben Koh began his legal career at Singleton Schreiber as a law clerk in 2022. He now serves as a trial attorney within the firm’s Personal Injury and Wrongful Death practice group. Ben represents plaintiffs in a variety of civil matters in California state and federal courts, including product liability, medical malpractice, and other catastrophic injury cases. He has held major retailers accountable for selling dangerous products, predatory caretakers for exploiting vulnerable individuals, and government actors for civil rights violations and negligence. As a litigator, he is driven by principles of discipline, persistence, and empathy, which has resulted in millions of dollars recovered for his clients. Mentorship and community led Ben to where he is today. He pays it forward by serving as a mentor to dozens of law students and new attorneys. He also holds leadership positions with the Korean American Bar Association of San Diego and the Pan Asian Lawyers of San Diego, both of which have awarded him for his dedicated service. While attending law school at the University of San Diego, Ben proudly served as President of the Asian Pacific American Law Students Association. He also interned with the U.S. District Court for the Southern District of California and volunteered at a Los Angeles-based reentry advocacy center, helping provide legal assistance to formerly incarcerated individuals. Ben has called San Diego home for nearly a decade. He is a connoisseur of Korean BBQ, karaoke rooms, and live music events. In his free time, you can find him DJing, snowboarding, or spoiling his standard poodle, Ephraim.

Leslie A. Brueckner is a Partner at Singleton Schreiber with over 35 years of appellate litigation experience across a broad spectrum of cases, including constitutional, consumer protection, antitrust, bankruptcy, class actions, environmental law, and more. Prior to joining Singleton Schreiber, Leslie was a Partner at a prominent national law firm, where she helped lead the firm’s national Appellate and Supreme Court Practice Group. Before then, Leslie spent nearly three decades at Public Justice, a national advocacy organization, where she argued and won numerous high-profile appeals, including unanimous decisions from both the California and United States Supreme Courts. (Leslie’s 2019 oral argument in Noel v. Thrifty, a unanimous class action ruling from the California Supreme Court, can be accessed via this link. Her 2002 argument in Sprietsma v. Mercury Marine, a unanimous U.S. Supreme Court decision rejecting federal preemption of tort claims, can be accessed via this link). Leslie also founded Public Justice’s Food Project, which used strategically targeted litigation to address abuses in American’s industrial animal agriculture system. With decades of appellate experience, Leslie plays a key role in enhancing Singleton Schreiber’s ability to manage complex appeals and develop successful litigation strategies. Her extensive track record in high-stakes cases across a range of legal areas continues to solidify the firm’s standing as a leader in precedent-setting litigation for plaintiffs nationwide. A magna cum laude graduate of Harvard Law School and summa cum laude graduate of U.C. Berkeley (where she was recognized as the Most Distinguished Graduating Senior in her class of over 5,000 students), Leslie has been awarded the Pro Bono Achievement Award from the Animal Legal Defense Fund; the Women’s Consumer Advocate of the Year Award from the Consumer Attorneys of California; the Appellate Advocacy Award from the Pound Civil Justice Institute for her 2017 California Supreme Court victory in T.H. v. Novartis (CA 2017), and the Dale Haralson Fallout Award from the Western Trial Lawyers Association. Leslie was also a Finalist for the Appellate Lawyer of the Year Award from the Consumer Attorneys Association of Los Angeles. In addition to her litigation work, Leslie has taught appellate advocacy at the Georgetown University Law Center and the American University, Washington College of Law.

Taylor Marrinan is an Associate Attorney at Singleton Schreiber, where he focuses on civil rights litigation. A former public defender with extensive courtroom experience, Taylor brings a deep commitment to protecting constitutional rights and advocating for those who have been wronged by systems of power. Prior to joining Singleton Schreiber, Taylor represented hundreds of indigent clients facing a wide range of criminal charges. His work as a public defender equipped him with substantial trial experience, including conducting jury trials, litigating complex motions, and engaging in strategic negotiations to achieve favorable outcomes for his clients. This foundation shapes his approach to civil rights cases, where he draws on his courtroom skills and unwavering dedication to justice to hold institutions accountable and secure meaningful results for his clients. Taylor earned his Juris Doctor from the University of San Diego School of Law, graduating cum laude. During law school, he was an active member of the National Mock Trial Team and received the Pro Bono Service Award with Distinction, recognizing his commitment to serving underserved communities. He holds a Bachelor of Arts in Philosophy from the University of California, Los Angeles and is a member of the National Police Accountability Project. Outside of his legal practice, Taylor spends his free time with his wife and son, often exploring the outdoors together. He is an avid snowboarder and, as a lifelong Padres fan, loves catching home games at Petco Park.

Kimberly Hutchison is a Partner with Singleton Schreiber and is a tenacious litigator with a long track record of successfully representing clients in and out of the courtroom. A leading member of the Civil Rights team, she helped the firm obtain one of its most prestigious verdicts to date. She was part of the trial team that obtained an $85 million verdict against the County of San Diego for the wrongful death of a young man named Lucky Phounsy. The Daily Journal recognized it as one of the most significant verdicts in California in 2022. Earlier in her career, Kimberly served as the pro se law clerk in the United States District Court for the Eastern District of Virginia in Alexandria, VA for one year, followed by a one-year judicial clerkship for the Honorable Dolores K. Sloviter in the United States Court of Appeals for the Third Circuit in Philadelphia, PA. She then worked for the Federal Defenders of San Diego for over 8 years as both a trial attorney and an appellate attorney. She completed numerous jury trials, bench trials, and oral arguments before the United States Court of Appeals for the Ninth Circuit. She was also a core member of a legal team that had oral argument in the Supreme Court of the United States, as well as a core member of a legal team that represented an individual charged with capital offenses. She joined the firm in the fall of 2020. Kimberly is admitted to practice in California state and federal courts and is also an inactive member of the Virginia State Bar. Kimberly was born and raised in Connecticut. She moved to California to attend Claremont McKenna College, where she graduated magna cum laude and earned the award for Best Overall Achievement in her major of Philosophy. She then joined Teach for America in Miami, after which she attended law school at American University – Washington College of Law (WCL) in Washington, D.C. In law school, she served in various roles and received several awards on both the WCL Moot Court Honor Society as well as the American University Law Review. She graduated magna cum laude and was elected to the Order of the Coif. Kimberly spends much of her free time on her bicycle, weightlifting, hanging out with her rescue dogs, and competing on her horses. She travels as often as she can and particularly seeks out outdoor adventures like hiking the Inca Trail, scuba diving in Belize, and going rock climbing in Thailand.

Daniel F. Greene is a managing partner at Sevens Legal Criminal Lawyers and a native of San Diego. He is an award-winning attorney with extensive experience representing clients against a wide range of felony and misdemeanor charges in San Diego, California.