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Washington, DC
Jill Mahoney
©2023 Keller and Heckman LLP

Jill Mahoney advises clients on regulatory requirements for food, animal feed, food additives, dietary supplements, and cosmetics. She counsels clients on labeling and advertising compliance and claims substantiation issues, including nutrition labeling, ingredient declarations, nutrient content claims, structure function claims, and Country of Origin labeling. She assists food, animal feed, and dietary supplement manufacturers in preparing self-determined GRAS positions, GRAS Notifications for Food and Drug Administration (FDA) submissions, New Dietary Ingredient Notification submissions to FDA, and has experience advising clients on the Food Safety Modernization Act (FSMA) requirements. Jill also has experience assessing the complex federal and state issues surrounding the use of cannabis, cannabidiol (CBD), and related cannabinoids in consumer products.

While in law school, Jill served as Articles Editor of the Arizona Law Review. She also worked for Keller and Heckman as a summer associate, during which time she conducted regulatory research, evaluated new ingredient usage, and drafted Food Contact Notifications.

Prior to joining Keller and Heckman as an attorney, Jill served as a clinical extern at Harvard Law School’s Food Law and Policy Clinic, where she conducted legal research and drafted policy recommendations on various public health issues, including the 2018 Farm Bill. She also worked for the U.S. Food and Drug Administration (FDA) as an Office of Policy Intern, where she collaborated with legal analysts to research and compose policy briefs about food and drug-related issues regarding biotechnology, health claims, food labeling, and tobacco regulations. She was also an Assistant Professor, Public Health Law and Ethics, University of Arizona Mel and Enid Zuckerman College of Public Health, May-July 2019. These experiences have enabled her to work closely with clients on these and other matters.

Representative Matters

  • Prepared successful filings for food ingredients to obtain appropriate regulatory status with the U.S. Food and Drug Administration on behalf of food manufacturers
  • Reviewed clients’ food labeling and promotional materials and provided advice regarding appropriate common or usual names, ingredient declarations, nutrition labeling, allergen labeling, nutrient content claims, structure function claims, and other marketing claims
  • Provided guidance on compliance with applicable FSMA requirements, such as Hazard Analysis and Risk-Based Preventive Controls (HARPC) and assisted importers with Foreign Supplier Verification Program (FSVP) requirements
  • Supported clients’ interests during food safety crises, including legal and safety analyses regarding the presence of pesticide residues in food products


Scripps College, B.A., 2011
University of Arizona, M.P.H., 2017
University of Arizona, J.D., 2017