Dr. Myron Wentz is an internationally recognized microbiologist, immunologist, and pioneer in the development of human cell culture technology and infectious disease diagnoses. In 1992 Dr. Wentz founded USANA Health Sciences, a state-of-the-art manufacturer of nutritional supplements, foods, and personal-care products.

Kevin Guest joined USANA on a part-time basis in April 2003, as Executive Director of Media and Events. Following the Company’s acquisition of the media, video, and event-productions company FMG Productions founded by Mr. Guest, he became a full-time employee of the Company and was promoted to Vice President of Media and Events in February 2004. In January 2006, he was appointed Executive Vice President of Marketing and served in that role until July 2008, when he was appointed Chief Marketing Officer. In May 2011, he was appointed President of North America and in October 2012, he was named President of the Americas, Europe and South Pacific. In August 2014, Mr. Guest was appointed President of USANA and in August 2015, he was appointed Co-Chief Executive Officer. He served in this capacity until November 2016, when he was appointed Chief Executive Officer. In May 2020, Mr. Guest was appointed as Chairman of the Board and Chief Executive Officer and served in this role until he became Executive Chairman of the Board in June 2023. Mr. Guest returned as Chief Executive Office in January 2026.

G. Douglas Hekking was promoted from Executive Vice President of Finance, a position that he has held since May 2016, to Chief Financial Officer in May 2017. Mr. Hekking joined USANA in 1992 and served in several management positions until March 1996, when he was appointed as Controller. Mr. Hekking served as Controller from March 1996 until February 2005, when he was appointed as Vice President of Finance. He served as Vice President of Finance until July 2007, when he transitioned to our operations group and was appointed as Executive Director of Special Projects. He served in this position until May 2011, when he was promoted to Chief Financial Officer. Mr. Hekking served in this role until December 2012, when he stepped aside to attend to certain family health matters. In December 2012, Mr. Hekking was appointed as Vice President of Finance until May 2016, when he was appointed as Executive Vice President of Finance. Mr. Hekking received a B.S. in accounting from the University of Utah and an M.B.A. from Brigham Young University.