Stratum Nutrition, St. Louis, MO, has hired Kimberly Austin as national sales manager. She will be responsible for identifying and developing business with manufacturers and marketers of dietary supplements utilizing the Stratum portfolio of branded specialty ingredients. Ms. Austin has more than 13 years of sales, marketing and procurement experience working in the dietary supplement, consumer healthcare and pharmaceutical industries. She previously served as vice president of sales and marketing at Natural Health Science, Inc.