Diana H. Wall

The Ecological Society of America, Inc. provides ecological services. The non-profit company is based in Washington.

Society of Nematologists is an international non profit organization formed to advance the science of nematology in both its fundamental and economic aspects. It acts as an agency for the exchange of information, holds regular meetings, and promotes and extends knowledge in all phases of nematology. The company is headquartered in Marceline, MO.

American Institute of Biological Sciences, Inc. is a non-profit organization which engages in the development of research programs and educational resources. Its activities include scientific peer advisory and review services for research proposals and programs sponsored by funding organizations, including the federal government, state agencies, private research foundations, and other non-government organizations. The company was founded in 1947 and is headquartered in Reston, VA.

World Resources Institute, Inc. provides solutions for environmental, resource, population and developmental problems. The company was founded by James G. Speth in 1982 and is headquartered in Washington, DC.