About Marcos Holguin

Marcos Rodriguez Holguin is an Attorney at SR Holguin, PC. In that capacity he represents clients at every stage and in all aspects of labor and employment law matters.

Marcos was raised in a family of many generations of union members that instilled in him the importance of the labor movement. In just his immediate family, Marcos’ father is an honorary member of the International Longshore and Warehouse Union, Local 13; his mother is a retired member of the Service Employees International Union, Local 721; his paternal grandfather was a member of the International Brotherhood of Teamsters, Local 208; his paternal grandmother was a member of the United Teachers Los Angeles; and his maternal grandfather was a member and elected officer of the United Automobile Workers, Local 216.

While in college, Marcos served as a Law Clerk at the union-side labor and employment law firm that would become SR Holguin, PC. During law school, he gained litigation experience as a member of his law school’s National Trial Team. Marcos also served as a Law Clerk and later as a Post-Bar Law Clerk at the Los Angeles County District Attorney’s Office, Major Crimes Division. While there, he assisted in the prosecution of some of Los Angeles County’s most complex and high-profile cases.

At SR Holguin, PC, Marcos serves as a Litigator, an Outside General Counsel to unions, an Advisor to union officers, a Collective Bargainer, a Trainer to union officers and stewards, and an Advisor with respect to legislative and regulatory issues. He is experienced representing unions in state and federal court, before the National Labor Relations Board and Equal Employment Opportunity Commission, in grievances and arbitrations, before elected officials and administrative agencies, and in all day-to-day operations.

In 2020, Marcos was selected as part of an exclusive group of young union-side litigators from across the country to participate in the AFL-CIO Union Lawyers Alliance’s rigorous Litigation Workshop.

Bar Admissions


  • State of California
  • United States District Court for the Central District of California
  • United States District Court for the Northern District of California
  • United States District Court for the Southern District of California
  • United States District Court for the Eastern District of California
  • United States Court of Appeals for the Ninth Circuit
  • District of Columbia
  • United States District Court for the District of Columbia
  • United States Court of Appeals for the District of Columbia Circuit
  • United States Court of Appeals for the Third Circuit
  • United States Court of Appeals for the Fourth Circuit
  • United States Court of Appeals for the Eleventh Circuit

Education, Honors, and Professional Associations


Professional Associations and Honors:

  • AFL-CIO Union Lawyers Alliance (formerly Lawyers Coordinating Committee) Member
  • Los Angeles County Bar Association Member
  • Mexican American Bar Association Member
  • The Catholic University of America, Columbus School of Law Dean’s Award, 2018
  • Vincent Miraglia Award for Outstanding Service to the Student Bar Association, 2018

Community Involvement:

  • The Catholic University of America, Columbus School of Law Alumni Council Member
  • City of South Pasadena Animal Commissioner

  • South Coast Air Quality Management District (AQMD) Air Quality Management Plan Advisory Council Member
  • ILWU Feed the Community Day Volunteer
  • ILWU, Local 94 Feeds COVID-19 Frontline Workers Volunteer

Education:

  • The Catholic University of America, Columbus School of Law, Juris Doctor with a concentration in Criminal Litigation, 2018
    • Student Government Vice President
  • The Catholic University of America, Master of Arts in Congressional and Presidential Studies, 2018
  • St. John’s University, Bachelor of Arts cum laude in Government and Politics, 2015