John Duffner

John Duffner has extensive work experience in sales and management. John started their career in 1981 as a Regional Manager at Avdel® - An Acument Global Technologies Company, where they worked until 1999. In 1999, they joined Whitesell Corp. as the Director of Sales - Program Services, a role they continue to hold.

John Duffner attended Missouri State University from 1972 to 1976, where they earned a Bachelor's degree and a BS in Business Administration. John focused their studies on Business Administration, Management and Operations.