Partner
New York
Marc represents clients in federal and state court at the trial and appellate levels with a particular focus on class actions, multidistrict litigation, and mass joinders. Among Marc’s current engagements, he represents PayPal in a series of consumer and influencer class actions relating to its Honey browser extension; Teachers Insurance and Annuity Association of America in over a dozen class actions arising out of a data breach of the MOVEit file transfer software; multiple companies in session replay and pixel-related privacy class actions; Walmart in a class action relating to its vetting of allegedly fraudulent sellers on Walmart Marketplace; Microsoft in AI copyright-related class actions concerning training of OpenAI's large language models; SeeTickets and viagogo in multiple fee transparency and drip pricing class actions; Gilead in a consumer protection class action pertaining to timing and introduction of its HIV medicines; and Supergoop! in a false advertising class action pertaining to SPF content and labeling of sunscreen.
Recently, Marc prevailed at summary judgment on behalf of University of Washington in a pandemic-related class action seeking refunds of tuition and fees on behalf of students; successfully resolved a gender discrimination class on behalf of Goldman Sachs; obtained dismissal of a data privacy class action against ZoomInfo Technologies LLC alleging unlawful disclosure of personal information; secured dismissal of over a dozen COVID-related class actions against the University of California; obtained successful resolution of multiple data breach class actions; and defeated class certification on behalf of Microsoft in a gender discrimination class action.
Marc served as a law clerk to Judge Betty B. Fletcher of the U.S. Court of Appeals for the Ninth Circuit. Prior to joining Orrick, Marc worked as an appellate and post-conviction attorney for the Equal Justice Initiative. In that capacity, he engaged in trial level and appellate representation of clients in both state and federal court, including two cases that were briefed and argued before the United States Supreme Court.
Recent engagements include:
2 minute read | June.10.2025