Academic Credentials
  • M.P.A., Public Administration and Public Affairs, Virginia Polytechnic Institute and State Univ, 2014
  • B.A., Biology, University of Virginia, 2002
Licenses & Certifications
  • RQAP-GLP (Registered Quality Assurance Professional Good Laboratory Practice)
Professional Affiliations
  • Toxicology Forum (member, 2022‐present)
  • Society of Toxicology (member, 2021‐present)
  • Society of Quality Assurance (member, 2003‐present)
  • National Capital Area Regional Chapter of the Society of Quality Assurance (member, 2003‐present)

Ms. Marisa Rihner has over 20 years of experience providing scientific and regulatory consulting services to a broad range of clients in the food and beverage, personal care product, and cosmetics industries. She is skilled at navigating global regulatory requirements and developing the appropriate strategies to accomplish her clients' objectives related to pre-market authorization, consumer safety, and product stewardship. Throughout her career Ms. Rihner has built lasting relationships with her clients, helping to maintain the continuity and historical knowledge needed to make informed safety and regulatory decisions.

Ms. Rihner provides the full range of services needed for a successful FDA Generally Recognized as Safe (GRAS) Notification program, including ingredient data gap assessment, literature reviews, consumer intake assessments, technical dossier preparation, manuscript co-authorship, and GRAS Panel coordination. In addition to GRAS Notifications, Ms. Rihner assists in the preparation of technical dossiers for GRAS Self-Affirmations, Food Contact Notifications, New Dietary Ingredient Notifications, and Novel Food Applications. Ms. Rihner also interfaces with regulatory authorities on her clients' behalf, presents technical material at Agency consultation meetings, and prepares responses to Agency questions or requests for data.

As a Registered Quality Assurance Professional in Good Laboratory Practices (RQAP-GLP), Ms. Rihner has spent many years providing GLP quality assurance oversight of toxicology testing programs that support safety assessment and regulatory approvals for a variety of consumer product ingredient types. In this role, Ms. Rihner evaluates study protocols for testing guideline adherence, performs scientific and technical reviews of draft study reports, and audits raw data for compliance with GLP requirements.