Management Team
William Horner
President & CEO
William Horner has a lifetime of experience developing and managing socially responsible, innovative businesses in the fields of agriculture and education. Mr. Horner is the co-founder of Naturally Iowa (founded in 2003), an innovative force in the dairy industry. From his background as an entrepreneur and educator to his ventures in agriculture and the organic dairy industry, Bill has spent his lifetime establishing, and managing successful, socially responsible organizations.
Judi M. Kosterman, EdD
Vice President, Marketing & Sales
Judi brings a lifetime of experience to Naturally Iowa as they identify sales partners throughout the United States to provide customers with environmental solutions in the area of food and beverages. With multiple national awards in education and leadership, she combines the innovation of the Ingeo bottles with the "end of life" solutions to plastic and food waste so that public and private businesses can reach their environmental goals for the next decade. Conducting successful national initiatives are not new to Dr. Kosterman.
Mark Kloster
Chief Operating Officer
Mark has over 30 years of dairy industry background and experience, including fluid milk bottling, cultured dairy products, ice cream production, and juice and water bottling. Mark has many years of facility management that include building expansion oversight, dairy plant layout, production operations, and operational and budgetary controls.
Clark F. Driftmier
Business Consultant
Clark Driftmier, with Fairhaven Strategy Group (link to: www.fairhavenstrategy.com ), received a Master of Business Administration from the Darden Graduate Business School, University of Virginia, where he was awarded the faculty award for academic excellence, and a Bachelor of Music from Oberlin College. Clark brings over 25 years of management experience to the natural products industry.
Bill Lambert
Dairy Consultant
Mr. Lambert received his degree from Iowa State University in Dairy Science. He has over fifty years’ experience in the dairy industry, consulting with existing and start-up dairies worldwide. Before his “retirement”, he served as General Manager for Anderson-Erickson's Ice Cream Division. He is responsible for formulating all of Naturally Iowa’s ice cream products.
William Aul
Chief Legal Counsel
David L. Bracht
Legal Counsel
Richard Anderson
Legal Counsel
