Official biography from the CA Court of Appeal website:

Administrative Presiding Justice Judith McConnell was appointed to the Court of Appeal, Fourth Appellate District, Division One in August 2001, and took office upon her confirmation October 3, 2001. On September 25, 2003, she was confirmed as Presiding Justice of the court. On September 29, 2003, she was appointed by the Chief Justice as Administrative Presiding Justice of the Fourth Appellate District. She served for 23 years as a trial judge in San Diego. Her colleagues on the Superior Court twice elected her Presiding Judge. She also served as Presiding Judge of the Juvenile Court and Supervising Judge of the family, appellate, and civil law and motion departments during her tenure on the Superior Court.

During Justice McConnell's judicial career, she has worked to improve the court system through better case management and to make the courts more accessible to the public. Justice McConnell served on the California Judicial Council and the Commission on Judicial Performance, the judicial disciplinary agency. She was a member of the Blue Ribbon Task Force on Jury System Improvement, the Commission on the Future of the Courts, and the Advisory Committee on Gender Bias in the Courts, a recipient of the 2001 Judicial Council Jurist of the Year Award and, in 1999, the first recipient of the Benjamin Aranda Access to Justice Award presented jointly by the Judicial Council, the California Judges Association, and the State Bar of California. In 2019, she received the American Bar Association's Margaret Brent Women Lawyers of Achievement Award. She was a founder and first president of Lawyers Club of San Diego and founder and president of the National Association of Women Judges and has worked to eliminate all forms of bias in the courts.

Official biography from the CA Court of Appeal website:

Justice Martin N. Buchanan was nominated to the Court of Appeal by Governor Gavin Newsom and confirmed in May 2022. Before his appointment, Justice Buchanan was an appellate lawyer for nearly 35 years. He litigated approximately 400 appeals and writs in state and federal courts, mostly as a sole practitioner. Justice Buchanan also worked as a partner at a civil appellate firm, a research attorney at the Court of Appeal, a staff attorney at Appellate Defenders, Inc., and a law clerk in federal district court.

Justice Buchanan is married with two adult children. He received his law degree from Harvard University in 1986 and his bachelor’s degree from Brown University in 1983.

Official biography from the Court of Appeal website:

Justice Truc T. Do was nominated for appointment to the Court of Appeal, Fourth Appellate District, Division One by Governor Gavin Newsom on December 8, 2020. She was found exceptionally well qualified for the position by the California Commission on Judicial Nominees Evaluation (JNE), and unanimously confirmed by the Commission on Judicial Appointments.  She took the oath of office on January 14, 2021. Before appointment to the Court of Appeal, Justice Do served as a trial judge of the San Diego Superior Court where she presided over criminal and family law courts.

Justice Do was born in Pleiku, Vietnam and came to the United States as a war refugee at the age of 3 with her family in April of 1975. The family settled in San Diego after their relocation through the Marine Corps Base Camp Pendleton. She became a naturalized U.S. citizen at age 11 in 1982. Justice Do grew up in San Diego and attended Clairemont High School. She earned a Bachelor of Arts degree in Political Science at the University of California, Los Angeles in 1993, graduating magna cum laude, and a Juris Doctor degree at Stanford Law School in 1997.

Justice Do began her legal career as a litigation associate at Sheppard, Mullin, Richter & Hampton. She joined the Los Angeles County District Attorney’s Office in 1999 and, during her 10-year tenure as a criminal prosecutor, Justice Do prosecuted gang murders and violent crimes in the Hardcore Gang Division and crimes of significant public interest in the Major Crimes Division. In 2009, Justice Do joined Munger, Tolles & Olson in Los Angeles where she became Partner in 2010. In 2014, Justice Do returned home to San Diego and joined Jones Day as Partner in their Business and Torts Litigation Department. During her 20-year career as a lawyer, Justice Do has tried 76 cases to jury verdict, including 21 homicide cases.

Justice Do serves on the Advisory Board of the Vietnamese American Bar Association of Southern California and is a member of the Lawyers Club. She previously served as Trustee on the Board of Trustees for the San Diego Law Library and has served on several boards of nonprofit organizations dedicated to promoting equal access to the legal system for underrepresented and disadvantaged citizens in the community.  In 2021, the San Dieo Law Library Foundation honored Justice Do with the award for Excellence in the Adjudication of the Law.