Investigations Experience

• Conducted board-driven independent investigation for a telecommunications giant into allegations that internet, cable television, and telephone customers around the country were overcharged for services they ordered or billed for services they never agreed to.
• Led defense of CEO of blockchain company in SEC investigation into alleged sales of unregistered securities.
• Led internal investigation for a fintech company related to potential violations of the FCPA.
• Led defense of multiple fintech companies in government investigations into potential violations of OFAC. 
• Led internal investigation into life sciences company related to potential anti-kickback issues.
• Led internal investigation into health care providers related to potential violations of federal criminal laws.
• Represented pharmaceutical company in investigation related to patient assistance programs.
• Led internal investigation into pharmaceutical company related to off-label promotion.
• Serves as outside counsel to the leading enterprise blockchain solution for global payments on regulatory, corporate, and strategic legal matters. 
• Conducted numerous board-level and company-level investigations into claims of sexual misconduct and harassment. 
• Provided advice on federal and state anti-kickback (AKS) laws, the Foreign Corrupt Practices Act (FCPA), any willing provider (AWP) laws, freedom of choice (FOC) laws, generic drug substitution laws, the Affordable Care Act, the Sunshine Act and state spend laws, drug pricing, group purchasing organizations (GPO), pharmacy benefit managers (PBM), speaker programs, and the Sunshine Act.

Complex Civil Litigation

• Led defense of leading pharmaceutical company in whistleblower claims related to kickbacks and off-label promotion.
• Obtained complete dismissal of False Claims Act complaint filed against a subsidiary of one of Korea’s largest power corporations related to renewable energy projects in Oklahoma.  
• Led defense of leading Hollywood executive accused of sexual misconduct.
• Led defense of national religious organization accused of wrongful hiring and inadequate supervision of employees and volunteers.
• Defend educational company in nationwide class actions alleging violations of civil-RICO and other consumer protection laws.
• Defend world-class boxer in contract dispute regarding rights assigned to publishing company.
• Served on trial team that defended former Enron CEO Jeffrey Skilling in four-month criminal trial.
• Served on trial team that represented a recreational vehicle manufacturer in a trial seeking damages from a manufacturer of composites used in RV fabrication.
• Represented boxing promoter in dispute with boxer who attempted to nullify a personal services contract through bankruptcy.
• Defended major oil company in multibillion-dollar lawsuit for environmental damages.
• Defended major oil company in oil spill matters.

Public Sector Experience

• Won convictions in numerous healthcare fraud and kickback trials, including the successful prosecution of a Los Angeles physician assistant in a $18.9 million Medicare fraud scheme and prosecution of six individuals, including two notable Los Angeles pastors, engaged in a $14 million Medicare fraud scheme.
• Prosecuted criminal violation of HIPAA.
• Conducted Food, Drug, and Cosmetic Act investigations.
• Conducted criminal–civil parallel investigations and evaluated False Claims Act complaints for allegations of criminal conduct.

• Prosecuted two financial institutions, their owners, and a compliance officer on Bank Secrecy Act and anti-money laundering charges—one of the first criminal indictments for willful failure to maintain an effective AML program.
• Successfully tried as co-lead counsel high-profile defendant for violation of the Bank Secrecy Act.
• Prosecuted bank bribery scheme.

• Prosecuted five defendants, including a procurement officer of a major defense contractor, for their roles in a decade-long bribery scheme related to millions of dollars in subcontracts for the manufacturing of satellite parts.
• Prosecuted defense contractor for paying gratuities to government officials.

Pro Bono and Community Service

David serves as Pro Bono Co-Chair in O’Melveny’s Century City office and devotes a significant portion of his practice to pro bono. Representative matters include:

• Represented a high school coach after a school district fired him for raising concerns that women were not receiving the same athletic opportunities as men.
• Defended the Alzheimer’s Association in a commercial dispute.
• Represented radio station KCRW in civil matter.

During his time as a federal prosecutor, David regularly taught students at an East LA elementary school techniques for resolving conflict, resisting peer pressure, promoting tolerance, and respecting diversity.

Military Service

Before becoming a lawyer, David was an officer in the United States Army, where he held a number of leadership positions, including command of the Army’s only amphibious landing craft unit. David also led a team of soldiers on a deployment to Central and South America, where they provided logistical support for an international peacekeeping mission and the United States’ withdrawal from Panama. David was awarded the Meritorious Service Medal when he left the Army as a Captain.