John D. Yingling

Tripos, Inc. engages in the provision of drug discovery informatics products and services. The company was founded by Garland Marshall in 1979 and is headquartered in St. Louis, MO.

Venture Stores, Inc. operates a regional discount store chain in the midwestern and southwestern regions of the United States. The private company is based in O'Fallon, MO.

Tripos, a Certaraä Company, is a global leader in innovative scientific solutions enabling life science researchers to improve the efficiency of molecular discovery. Established in 1979, Tripos was the first company to bring scientific computational drug discovery capabilities to the pharmaceutical, chemical and food design industries, and today helps a broad range of companies and research facilities accelerate the identification and optimization of new compounds that have the potential to become marketed drugs, foods, flavorings and fragrances. Headquartered in St. Louis, Missouri, Tripos serves more than 1,000 customers spanning over 46 countries