Nelson D. Johnson, Esq.is counsel in Arnold & Porter LLP™s environmental and litigation practice groups, and also counsels clients on matters under the Federal Food, Drug and Cosmetic Act and Federal and State Controlled Substances Acts. Mr. Johnson™s practice includes litigation, regulatory counseling, land use, and transactional matters. Before studying law, Mr. Johnson obtained his PhD and Bachelor of Science with honors in molecular biology from the California Institute of Technology.