Mark Sedlander

Mark Sedlander

Mark Sedlander is a trial attorney and litigator whose practice consists of white collar defense and government investigations.

Mr. Sedlander has represented corporate clients and people facing government investigations, including executives, management personnel, and other corporate employees and professionals. He regularly negotiates with the Department of Justice and other prosecuting and investigative state and federal agencies.

His matters involve:

• financial services
• sports and entertainment
• healthcare
• commercial cannabis
• import/export violations (Arms Export Control Act)
• antiquities and art
• aviation management
• education
• technology

Before joining Mancini Shenk LLP, Mr. Sedlander represented clients charged with federal criminal offenses with the Office of the Federal Public Defender in the Central District of California. He handled complex commercial matters as an Associate in the litigation department at a New York City law firm and clerked for the Honorable Fernando M. Olguin in the United States District Court for the Central District of California in Los Angeles.

Representative Matters

• Government agreement to dismiss federal indictment alleging client’s high-level coordination of wire fraud conspiracy.
• Represented tech company being investigated for a widespread student loan fraud: company not charged.
• Represented employee in a high-profile criminal investigation involving California’s mandatory reporting requirements: client not charged.
• Represented real estate investor in investment-related criminal investigation: client not charged.
• Demonstrated that a federal agency overstated a client’s sentencing guidelines range by more than 15 years: guidelines range revised downward and accepted by sentencing court.
• Obtained dismissal on due process grounds of a federal indictment alleging illegal reentry into the United States.
• Numerous successful motions to suppress evidence on constitutional grounds by court order or government acquiescence.
• Significant experience defending against Racketeer Influenced and Corrupt Organizations Conspiracy (RICO) charges.
• Obtained a government dismissal following a motion to dismiss on grounds that the indictment and police ballistics report failed to allege facts demonstrating that a damaged pistol was a “firearm” under the relevant criminal statute.
• Represented former executive and senior management of a large medical management services organization during an investigation by California state regulators (Department of Managed Health Care (DMHC)), the United States Department of Health & Human Services, and the United States Department of Justice.

Honors & Recognition

• Lawdragon 500 X – The Next Generation, White Collar Defense – 2024
• Los Angeles Business Journal – Leaders of Influence: Litigators and Trial Attorneys – 2024

Media & Speaking Engagements

• Discussion of the federal criminal bribery trial of former Illinois House Speaker Mike Madigan – Law360 – 2024
• Interview about Hunter Biden’s federal criminal tax case in Los Angeles – Forbes Newsroom – 2024
• Interview about Tom Girardi’s federal criminal trial, the nature of the prosecution’s evidence, and how the jury might have interpreted it – KNX News 97.1 FM Los Angeles – 2024
• Discussion of federal sentencing factors for Tom Girardi’s wire fraud conviction – The Daily Journal – 2024
• Interview on Senator Bob Menendez’s federal bribery trial – Scripps News, America on the Docket – 2024
• Comments on Alec Baldwin’s trial: Even serious workplace accidents usually do not lead to criminal charges – AP News – 2024
• • Comments on jury’s consideration of facts not in evidence in Hunter Biden’s federal trial in Wilmington, Delaware – The Daily Beast – 2024
• • Interview on Hunter Biden’s federal trial in Wilmington, Delaware: Fifth Amendment right to remain silent and burden of proof in a criminal case – Scripps News, America on the Docket – 2024
• Comments on Alec Baldwin’s criminal case in light of armorer’s maximum sentence – Yahoo! Entertainment – 2024
• Interview on Hunter Biden’s federal Trial in Wilmington, Delaware – Forbes Newsroom – 2024
• Minimizing Harm at Sentencing: Aggravating and Mitigating Factors – National Association of Criminal Defense Lawyers seminar – 2023
• Incorporating Recent Criminal Justice Reforms at Sentencing – National Association of Criminal Defense Lawyers seminar – 2022

Education

• Georgetown Law, JD
• University of California, Santa Barbara, BA (High Honors, Phi Beta Kappa)

Professional Affiliations

• The American Bar Association: Criminal Justice Section, White Collar Crime Committee
• The Federal Bar Association: Criminal Law and Federal Litigation Sections
• The Los Angeles County Bar Association: Criminal Justice, Healthcare Law, and Litigation Sections
• Judicial Appointments Committee for The Los Angeles County Bar Association
• The Beverly Hills Bar Association
• Georgetown Law Alumni Regional Engagement Council for Southern California
• Santa Monica Family YMCA Board of Directors

Bar Admissions

• California
• New York

Courts

• United States Court of Appeals for the Ninth Circuit
• United States District Court for the Central District of California
• United States District Court for the Southern District of New York
• United States District Court for the Eastern District of New York