Our Team

George Heil Wrape Jr.

George(Skip) Wrape has spent over thirty years in the international biological raw material industry. Skip has experience in the collection of animal serums, plasma, tissues and glands from Australia, New Zealand, Central and South America. Domestic collections in the contiguous United States. Sales Experience is also worldwide with clients in North America, Europe, and Asia. He holds positions as founder and President of Animal Technologies, Inc of Tyler, TX (1986), Animal Technologies, Inc. is a respected supplier of large animal tissues, glands and organs, along with a variety of animal serums. www.animaltechnologies.com. He is co-founder of Cardinal Biologicals of Tyler, TX (1989) a collector of human biological specimens. www.cardinabiologicals.com 


  • Previous Chairman, International Serum Industry Association (ISIA)
  • President, Rotary Club, Summit County, Colorado 2003-2004
  • Rotarian of the year 2002 in Colorado, 2010 in Missouri
  • Regis College Man of the Year
  • Outstanding College Athletes of America

Jerad Busch – Owner and Operator

Jerad Busch is the Production/Procurement Manager at River City Biologicals, Inc. He helps RCB to maintain a steady stream of critical component products that allow RCB to be where it is today. He maintains relationship with all customers on the raw material end and assures final use customers are satisfied and have a viable product. Jerad graduated with honors at SIU Carbondale with a bachelors in biology and chemistry.


  • Owner and Operator at RCB since 2005
  • Biological and Chemistry degree at SIU Carbondale
  • Over 15 years’ experience in the animal derived biologicals industry

Guilherme Esteves – International Sales Manager

Ph.D. in Business Administration, Guilherme Esteves is a Board Member of the International Serum Industry Association (ISIA) and holds positions as International Sales Manager at River City Biologicals, River City Brazil, and Animal Technologies, Inc. With 15+ years of experience in planning and management of commercial, administrative, and financial areas of small and medium-sized companies, Esteves has been working for 11+ years as an entrepreneur, focusing on new business development.

Dana Lynch – Administrative Assistant

Dana joined River City Biologicals in December 2014.  She has a leadership role with the company and can assist with finance questions, quality control issues and customer assistance.

Our Address:

813 Southern Expressway
Cape Girardeau, MO 63703