Lei-Chala I. Wilson received her Economics degree from San Diego State University in 1985 and Juris Doctor from U.C. Davis, King Hall, in 1989. At U.C. Davis, Wilson was the 1989 Western Regional Champion of the National Trial Competition and served as Treasurer of the Black Law Students Association in 1988.
 
Wilson is a 19 year veteran of the Law Offices of the San Diego Public Defender. She initially started in the Misdemeanor Unit of the office and is presently assigned to represent defendants charged with felony offenses in the downtown San Diego office. Wilson has tried over 100 jury trials to conclusion,  including misdemeanors, serious and violent felonies, three strikes cases, sex offenses, and homicides. She has completed several hundred preliminary examinations and argued numerous motions.
 
Wilson is the President of the National Association for the Advancement of Colored People (NAACP), San Diego Branch after serving 10 years on the Executive Committee. She received the President's Award in 2003. Wilson also serves as the First Vice President of the National Council of Negro Women, Inc. (NCNW), San Diego Section. She received its Living Legacy Award in 2000 and the Bethune Woman of the Year Award in 2008.
 
Wilson is a Past President of the Earl B. Gilliam Bar Association (EBGBA) (1998, 2006 and 2007) and the California Association of Black Lawyers (CABL)(2000 -2001). EBGBA presented her with President's Award in 1993, 2002 and 2008, the Distinguished Service Award in 1996, 2003 and 2005 and the Thurgood Marshall Award for Legal Excellency in 2001. CABL presented Wilson with the President's Award in 1999, 2006 and in 2007 as President of the EBGBA for the Neighborhood Law School and being involved with the community issues concerning the shooting of an unarmed citizen by an off-duty police officer. This year CABL presented her with David Cunningham Non-Profit Community Service Award.
 
Wilson is a Past Director of the National Bar Association (NBA) Region IX and is serving her third year as the Chair of the NBA Criminal Law and Juvenile Justice Section. Last year she was appointed to serve as Co-Chair of the NBA Legal Education Committee. This year she received a National Bar Association Presidential Award.
 
In November 2006 Wilson was appointed to the State Bar of California Attorney Civility Task Force that promulgated the California Attorney Guidelines of Civility and Professionalism. The State Bar Board of Governors adopted the guidelines in July 2007. In March 2007 Wilson was appointed to the San Diego Mayor's Charter Review Commission that revised the San Diego City Charter that was considered by the San Diego City Council for the June 2008 ballot for voter approval.
 
Wilson just served a three year term on the Board of the ACLU of San Diego and Imperial Counties. Wilson was also a Board Member of the San Diego Mediation Center (1994 - 1998) and on the Board of Trustees for the San Diego County Public Law Library (2001 - 2005).
 
Wilson is an Advisor and Past Chair of the State Bar of California Criminal Law Section and been involved with that committee since 1996. Wilson was a Delegate to the State Bar Conference of Delegates for the San Diego County Bar Association (SDCBA) (1994 - 1998) and on the Judicial Nominations Evaluation Committee in 2003, 2006 and 2008. Wilson was a recipient of the SDCBA's first Diversity Award in 2001. She served on the State Bar of California, District Nine Nominating Committee, Executive Committee of the Conference of Delegates, in 1998. 
  
Wilson is a frequent lecturer for the State Bar of California Criminal Law Section and has also spoken at programs for the NBA, American Bar Association (ABA), EBGBA Neighborhood Law School and the Ninth Circuit District Court Annual Conference in Guam and Saipan on criminal law topics, attorney civility, courtroom etiquette, elimination of bias, opening a solo practice, and case management.
 
Wilson has put together community forums that include the San Diego Mayoral, City Attorney, Assembly and Senate District and the 4th Council District candidates' races, Hate Crimes, renewal of the Voting Rights Act of 1965, Student Privacy Rights, and domestic violence awareness.
 
Wilson is a member of the State Bar of California, NBA (Life Member), CABL (Life Member), EBGBA (Life Member), Black Women Lawyers of Los Angeles, Inc., ABA, California Public Defenders Association, SDCBA, California Women Lawyers, Lawyers Club of San Diego, NAACP (Life Member), ACLU, and the NCNW (Life Member).