Steve Mister, Esq.
President & CEO

Mr. Mister has been President and CEO of CRN since 2005. Under his leadership, CRN has experienced a refined strategic focus, increased membership, and launched new initiatives to enhance consumer confidence in the supplement industry. Among CRN’s recent achievements are the creation of a highly successful consumer campaign Life…supplemented and a program with the National Advertising Division of the Council of Better Business Bureaus to review supplement advertising. In addition to his role as President and CEO of CRN, he is also the President of the CRN Foundation. Prior to joining CRN, Mr. Mister served in several legal and legislative roles for over a decade at the Consumer Healthcare Products Association (CHPA), most recently as Vice President and Associate General Counsel. Mr. Mister also worked as an attorney in the Washington, D.C., law firm of Wiley, Rein & Fielding in general litigation, government ethics, and federal election law practice groups, and had a stint on Capitol Hill as a media relations assistant for former U.S. Senator Charles McC. Mathias, Jr. Mr. Mister holds a law degree from the College of William and Mary, an M.A. in Political Communication from the University of Maryland and a B.S. from Towson University.                    

Judy Blatman
Senior Vice President, Communications

Ms. Blatman has over 20 years experience in the communications field, including expertise in issues management, lifestyle consumer marketing, crisis communications and development and execution of results-oriented publicity campaigns. She has worked in the consumer/health group of a large international public relations agency (Manning, Selvage & Lee), led public relations efforts for a luxury resort company (Princess Hotels International, Inc.), and managed communications efforts for an alcohol industry trade association (Distilled Spirits Council). At CRN, she is responsible for overseeing the development and execution of the association’s overall strategic communications efforts, and manages the Life…supplemented consumer wellness initiative.  Ms. Blatman serves on the CRN Foundation Board. She has a B.A. in English from the University at Albany (SUNY), New York.   

John Hathcock, Ph.D.
Senior Vice President, Scientific & International Affairs

Dr. Hathcock is responsible for scientific review and regulatory interpretation, specializing in safety and international issues. He has decades of experience in the field, having served as a professor at Iowa State University and a senior scientist at the Food and Drug Administration before joining CRN in 1995. An expert on the safety evaluation of nutrients and other dietary ingredients, he has made numerous presentations on the safety of vitamins and minerals and other dietary ingredients to the U.S. Food and Nutrition Board and is the author of CRN's Vitamin and Mineral Safety (1997 and 2004). In addition to publishing numerous peer-reviewed scientific articles, he regularly presents at major national and international conferences on food safety and regulatory issues, analyzes and develops CRN policy positions, and speaks on international regulations and issues, including those pertaining to the Codex Alimentarius, the European Commission, and the ASEAN health supplements harmonization of maximum levels. He has been appointed by the government of Singapore to membership in an external advisory committee on supplements. Dr. Hathcock holds B.S. and M.S. degrees from North Carolina State University and a Ph.D. in Nutrition from Cornell University and is an elected member of professional societies in nutrition and toxicology.

Mike Greene
Vice President, Government Relations

Mr. Greene has 20 years of experience working in government relations, public policy, political campaigns and communications. He oversees the association’s federal and state legislative strategy, and is treasurer of CRN’s Political Action Committee (CRN PAC).  Prior to joining CRN, Mr. Greene served as communication director for U.S. Rep. John D. Dingell of Michigan, worked on the Subcommittee on Disability Policy for Sen. Tom Harkin of Iowa, and began his career in television at WPLG-TV, the ABC affiliate in Miami. He received his B.A. in International Relations and Political Geography from Florida State University.

Duffy MacKay, N.D.
Vice President, Scientific & Regulatory Affairs

Dr. MacKay is a licensed Naturopathic Doctor and was a co-owner and practitioner in a family-owned New Hampshire complementary and alternative medicine private practice for seven years. In addition to his hands-on experience as a practitioner in the field of integrative medicine, he spent eight years working as a medical consultant for two companies in the dietary supplement industry, including four years as an executive with Nordic Naturals, where he was in charge of clinical research. He previously served as Technical Advisor for Thorne Research. Dr. MacKay has published articles in peer-reviewed journals, and serves on the Editorial Board of two peer-reviewed publications: the clinical journal Alternative Medicine Review and the official publication of the American Association of Naturopathic Physicians, Natural Medicine Journal. Dr. MacKay earned his B.S. in Marine Sciences from the University of California, Santa Cruz and his N.D. from the National College of Naturopathic Medicine in Portland, Oregon. Dr. MacKay is licensed in the state of New Hampshire.

Taylor C. Wallace, Ph.D., FACN
Senior Director, Scientific & Regulatory Affairs

Prior to joining CRN, Dr. Wallace worked at the International Life Sciences Institute, advocating for credible emerging science related to nutrition and food safety. His academic background includes a Ph.D. and an M.S. in Food Science and Nutrition from The Ohio State University and a B.S. in Food Science and Technology from the University of Kentucky. Dr. Wallace serves as a reviewer for the Journal of Food Science, Journal of Chromatography, Advances in Nutrition and Comprehensive Reviews in Food Science and Food Safety. He is the author of more than a dozen peer-reviewed articles/book chapters and has received seven nationally recognized grants from groups including the U.S. Department of Agriculture. Dr. Wallace is an active member of the Institute of Food Technologists (IFT), the American Chemical Society (ACS), the American Society of Nutrition (ASN) and the Phi Tau Sigma Honor Society for Food and Technology.

Rend Al-Mondhiry, Esq.
Regulatory Counsel

Ms. Al-Mondhiry has over 4 years of legal and regulatory experience. At CRN, she provides legal counsel and advice to CRN’s staff and members in the areas of legislation, regulatory compliance and advocacy, and international policy development with respect to dietary supplements and nutrition issues. Prior to joining CRN, Ms. Al-Mondhiry worked as state legislative counsel for the Consumer Healthcare Products Association (CHPA). Ms. Al-Mondhiry has worked at the American Speech-Language-Hearing Association, serving as the director of state legislative and regulatory advocacy. She has also held legal internships at the Federal Communications Commission, the Pennsylvania Public Utility Commission, and the Pennsylvania Office of Attorney General. Ms. Al-Mondhiry also has served at the state legislative level, working as an aide to Pennsylvania State Senator Jake Corman for two years followed by a stint as the executive director of the Pennsylvania Senate Communications and Technology Committee. Ms. Al-Mondhiry received her BA from The George Washington University. She earned her JD from Pennsylvania State University, Dickinson School of Law. She has been admitted to the Pennsylvania, New Jersey and Washington D.C. Bars.

Carl Hyland
Director, Membership Development

Mr. Hyland has over 25 years experience in business development, sales, marketing, and operations within the dietary supplement, ingredients and natural foods industries. At CRN, he is responsible for overseeing all aspects of membership services and new member recruitment. His career includes over a decade with Weider/Schiff where he rose to corporate vice president, serving as vice president of the Corporate Development, Purchasing and Product Development departments, and helped launch the company’s SHAPE magazine. Mr. Hyland was Editor of Let’s LIVE Magazine, the monthly journal of nutrition and health. His career also includes management positions at Frey Enterprises, Nutravail Technologies and AmeriFIT.  Most recently, Mr. Hyland worked in media sales with NewsUSA Inc., focusing on sales and marketing of the company’s social media network.  Mr. Hyland received his B.A. in English from the University of California at Berkeley.

Sandra Khouri
Director, Operations

Ms. Khouri has 30 years of experience working in finance and administration. Prior to joining CRN, Ms. Khouri served in several organization management roles, including as director of finance and administration for the Kentucky Bankers Association, and more recently as the administrator of Memphis, Tennessee-based law firm Spicer Rudstrom. Ms. Khouri also has a significant amount of volunteer experience, including chairing a main fundraising event for an independent school in Louisville, Kentucky. Ms. Khouri holds a B.S. in Accounting and an M.B.A., both from the University of Louisville.

Ingrid Lebert
Director, Government Relations

Ms. Lebert manages legislative activity for CRN, presenting association and industry positions to congressional offices. In addition, she monitors federal and state legislative and regulatory activity and is responsible for coordinating educational briefings and advocacy events on Capitol Hill. Prior to joining CRN, she worked in the Intellectual Property division of the international law firm McKenna, Long & Aldridge, and at the legislative consulting company Klein & Saks. Ms. Lebert earned her B.S. in psychology at South Dakota State University.

Nancy Weindruch
Director, Communications

Ms. Weindruch joined CRN from Powell Tate, a strategic communications and public affairs firm in Washington, D.C., where she served as a member of the healthcare practice. During her five years at the firm, she implemented campaigns involving media relations, third-party advocacy, event coordination and executive visibility for corporate clients, trade associations, nonprofit organizations and government entities. Ms. Weindruch received a B.A. in English and French Literature from Kenyon College in Gambier, Ohio.

Haiuyen Nguyen
Senior Manager, Scientific Research & Regulatory Affairs

Ms. Nguyen provides research assistance and administrative support to the scientists at CRN. She is involved in department projects including production of CRN’s Research Watch, a service for association members, and serves as a main contact and resource for CRN Regulatory Affairs Committee and Senior Scientific Advisory Council members.  She served as a research intern at FDA's Center for Food Safety and Nutrition (CFSAN) prior to joining CRN. Ms. Nguyen received her B.S. in Cell, Molecular Biology and Genetics from the University of Maryland, College Park.

Katie Stevenson
Senior Manager, Communications

Before joining the CRN team, Ms. Stevenson worked as a reporter for nearly three years at The Tan Sheet, a D.C.-based trade publication focused on the marketing and regulation of dietary supplements and OTC drugs. She has also worked as a press intern for U.S. Senator Kent Conrad and as a Washington, D.C. correspondent for The New London Day. She received her B.A. in Communications from Quinnipiac University in Hamden, Connecticut, and also holds a Masters Degree in Journalism from Boston University.

Trainor Walsh
Senior Manager, Public Affairs

Mr. Walsh has over five years of experience in communications and political campaign management. Prior to joining CRN, he served as campaign manager and political director for several Congressional candidates around the country including Congressman Robert Wittman (R-VA) for whom he later served as Communications Director in his Washington, D.C. office. In 2007 he served as the Iowa Organizational Director for Presidential Candidate and former Arkansas Governor Mike Huckabee. Mr. Walsh received a B.A. in Political Science from University of Iowa.

Gerry Satterfield
Office Manager

Ms. Satterfield is responsible for keeping official corporate records, coordinating communication between the president and member companies, and performing administrative functions. She has over twenty years of experience ranging from research and writing to executive assistant positions for multiple companies, most recently including Ritz Camera Centers, Inc. She received her B.A. in Political Science from St. Olaf College in Minnesota.

Tammie Betway
Senior Executive Assistant to the President & CEO

Ms. Betway is responsible for assisting the President & CEO, keeping official corporate records, coordinating communication between the president and member companies and performing other various duties. She has over twenty years of experience in the legal industry ranging from research and writing to providing multiple levels of administrative support. In the course of her career, Ms. Betway has worked at several of Washington, D.C.’s largest law firms, including Venable LLP and Patton Boggs LLP. Prior to joining CRN she worked as a legal assistant, contract specialist and business development coordinator.