About Mark Herbert
Mark Herbert Schlein is an attorney based in Los Angeles, California, where he specializes in whistleblower protection and qui tam litigation. He became a member of the California State Bar in 2011, marking a significant milestone in his legal career. Currently, he practices at Wisner Baum, located at 11111 Santa Monica Blvd, Suite 1750, Los Angeles, CA 90025. This firm is well-known for its focus on personal injury, consumer fraud, and whistleblower cases throughout California. Schlein earned his Juris Doctor (J.D.) from New York University School of Law in 1970, a prestigious institution recognized for its rigorous legal education. Prior to law school, he completed his undergraduate studies at the University of Pennsylvania, where he obtained a Bachelor of Science (B.S.) in Economics in 1967.
His academic background laid a strong foundation for his future legal endeavors. During his time in law school, he worked by clerking for the New York State Attorney General's Office, further enhancing his understanding of legal processes. Since 1993, Schlein has dedicated much of his career to representing whistleblowers under the False Claims Act, commonly known as qui tam actions. His experience in this area has contributed to the recovery of billions of dollars at both the state and federal levels. This impressive track record shows his commitment to advocating for individuals who expose fraud and misconduct. At Wisner Baum, he continues to handle a substantial caseload of whistleblower cases, providing crucial legal support to those who come forward with critical information.
Before joining Wisner Baum in 2011, Schlein held several significant positions in the legal field. He served as an Assistant Attorney General in the Florida Attorney General's Office from 1994 to 2003, where he played a vital role in various legal matters. From 1993 to 1994, he was appointed as Special Counsel to the Florida Attorney General, further demonstrating his legal expertise. Prior to his legal career, he was the Director of the Department of Law Enforcement at the Broward County Sheriff's Office from 1975 to 1993, where he developed his leadership and investigative skills. In addition to his legal practice, Schlein has contributed to legal education as an Adjunct Professor of Law at St. Thomas University School of Law in Miami from 1980 to 1983.
He is a member of both the New York State Bar and the Florida Bar, showcasing his broad legal qualifications. Schlein co-chaired the American Association for Justice's Qui Tam Litigation Group from 2014 to 2015, reflecting his active involvement in the legal community. He is also affiliated with the Florida Association of Police Attorneys and the Taxpayers Against Fraud Education Fund. Fluent in English, Schlein continues to be a dedicated advocate for whistleblower rights and justice.