Dr. Kathryn Armstrong brings 17 years of scientific expertise to the companySALT LAKE CITY, Jan. 22, 2025 /PRNewswire/ -- USANA Health Sciences, Inc., a global leader in cellular nutrition, is proud to announce that Dr. Kathryn Armstrong, Ph.D., will be assuming the role of chief scientific officer at the company. Kathryn has served as USANA's executive vice president of research and development since July of 2024.  Kathryn's predecessor, Dr. Rob Sinnott, announced his retirement at the end of 2024, but wil ...