Director | MRC Promec Unit
Tygerberg | 2001 - present

Professor Extraordinarius | Faculty of Biological and Agricultural Sciences |
1998 - present

Chair | 2nd conference of PAEMS: Organising committee
Cape Town | 1996 - present

Consultant | Application of Risk Analysis to food Standards Issues | World Health Organization
Geneva | 1995 - present

Associate Editor | African Plant Protection
1995 - present

Visiting Professor | University of Kansas State
United States of America | 1992 - present

Honorary Professor | Department of Microbiology & Biochemistry | University of the Free State
1989 - present

Adjunct Professor | Department Veterinary Science, Department of Plant Pathology | Pennsylvania State University
Pennsylvania, United States of America | 1986 - present

Pawlet Visiting Scholar | University of Sydney
Sydney | 1983 - present

Chief Specialist Scientist | Medical Research Council of South Africa
Tygerberg | 1975 - present

Member | Applied and Environmental Microbiology | Editorial Board

Member | Editorial Advisory Board of Natural Toxins

Member | FRD Core Programme committee for Microbiology & Plant Pathology

Member | Editorial committee of Phytophylactica

President | Pan African Environmental Mutagen Society

Leader | Programme on Mycotoxins & Experimental Carinogenesis (Promec) | Medical Research Council of South Africa
Tygerberg | 1992 - 2001

University of Pretoria

Awarded in 2005

Honorary Doctor of Science

University of the Free State

Awarded in 1996

Honorary Doctor of Science

University of Wisconsin

Completed 1969

Doctor of Philosophy

University of Pretoria

Completed 1965

Master of Science

University of Pretoria

Completed 1962

Bachelor of Science

Distinguished Service Award for International Agric | University of Kansas State

Mt Steyn Gold Medal for Scientific & Tech Achievement | SA Academy for Science & Art

Silver Medal for Excellence in Research | MRC

Prize for Agric Bioscis | African Academy of Scis/CIBA

1992 Wellcome Gold medal & Award for medical research | Wellcome Pharmaceuticals

Christiaan Hendrik Persoon Gold Medal for Scientific Excellence & Outstanding Achievements in Plant Pathology | SA Society for Plant Pathology

author

US National Academy of Sciences

Foreign Associate, 2007 - present

University of Kansas State Department of Plant Pathology Graduate Faculty

Member

SA Council for Natural Scientists

Member

Fusarium International Society for Plant Pathology

Member

Committee on Mycotoxicology International Society for Plant Pathology

Member

Southern African Society for Plant Pathology

Honorary Member

SA Veterinary Association

Honorary Member

SA Society for Plant Pathology

Fellow

Pan African Environmental Mutagen Society

Member