American Mushroom Institute, USA

2001 - present

International Society of Mushroom Science

1996 - present

Mushroom Society of India

1996 to 1997

American Institute of Chemical Engineers

1977 to 1982

Association of Chemists and Professional Engineers of Costa Rica

1966 to present

Technical Association of the Pulp and Paper Industry, USA

1982

Mushroom Growers Association, U.K.

1973 to 1982

Mushroom Growers Association, Canada

1986 to 1991, 2007- 2008

top