John Manthei, Global Chair of Latham’s Healthcare & Life Sciences Practice, focuses his practice on regulatory matters involving the US Food and Drug Administration (FDA) for the medical device, pharmaceutical and biotechnology industries. He advises clients on all aspects of the FDA-regulated product life cycle, post market enforcement, and administrative litigation. He previously served as Majority Counsel for the US House of Representatives’ Committee on Energy and Commerce (1998-2000). Since 2000, John has represented the pharmaceutical, biotechnology, and medical device industries as counsel in nearly every major FDA legislative initiative. He has also testified before Congress on several occasions involving FDA and DEA regulatory and enforcement matters. John was most recently recognized as Regulatory Attorney of the Year (2025) by LMG Life Sciences. He has also been repeatedly recognized as a leading lawyer in publications such as Chambers USA, The Legal 500 US, Law360, the National Law Journal, and Washingtonian magazine.