Principals

Case D. Fischer, CEO and President
Case D. Fischer has worked with the company since 1979. His vision and enthusiasm as well as his commitment to delivering quality service and innovative products have been instrumental in the company’s growth. Case is a skilled relationship builder with his emphasis being on maintaining customers for life. He studied Food Technology and Food & Fiber Marketing at Texas A&M University. He is Chairman of the Admiral Nimitz Foundation, a past president of the Fredericksburg Chamber of Commerce and a past president of the Fredericksburg Shopkeepers Guild. Case and his wife, Deanna, have three children.

Mark B. Wieser, Chairman of the Board and Founder
A native of Fredericksburg, Mark started Das Peach Haus as a roadside fruit stand in 1969. His father planted the original family peach orchard and his mother cooked the preserves that became the company’s first product. Case D. Fischer and Mark Wieser formed a partnership and created Fischer and Wieser Specialty Foods, Inc. a company which has grown to be a highly respected player in the gourmet food industry. Mark brings a keen knowledge of retail merchandising to the company. Mark is a graduate of Texas A&M University and pursued a career in teaching along with his business. He also served as County Judge for Gillespie County.

Jenny Wieser, Ph.D., Chief Operating Officer
Jenny Wieser joined Fischer & Wieser in November of 1998 as Director of Production. She graduated Summa Cum Laude from Texas A&M University in 1987 with a B.A. degree in Biology. Following graduation she joined the U.S. Peace Corps and served as a volunteer from 1987-1989 where she taught Math and Science to elementary and high school students on the island of St. Kitts. Wieser obtained a Ph.D. in biology in 1997 from Texas A&M University and has published several works detailing her research in microbial development as well as a review article and a book chapter on fungal development. Jenny is now turning her scientific background to food by overseeing product development and overall corporate operations.

Deanna Fischer, Chief Marketing Officer
Deanna Fischer joined the company in 1989. She oversees all marketing and community relations. Deanna is responsible for the company’s marketing operations including the design and implementation of all marketing strategies and direction for all Fischer & Wieser family brands. Fischer & Wieser has an active community relations and contributions program designed to support the achievement of company goals. Deanna ensures that corporate programs and initiatives are focused to instill employee pride, build public trust, foster education, respond to community needs and to enhance company image. Deanna is a graduate of Texas A&M University with a Liberal Arts Degree in Modern Languages.