IHSS Officers

Past President	President	Vice President
Dr. Paul R. Bloom Dept. Soil, Water, Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108, USA Tel: +612.625.4711 Fax: +612.625.2208 E-mail: prb@umn.edu	Dr. Jerzy Weber Institute of Soil Science and Environment Protection Wroclaw University of Environmental Protection and Life Science Grunwaldzka 53 50-357 Wroclaw , Poland Tel: +48.60.466.8932 Fax: +48.71.320.5631 E-mail: jerzyweber@gmail.com	Dr. Ladislau Martin-Neto Brazilian Agricultural Research Corporation- Embrapa Labex-USA-Embrapa/USDA-ARS Cooperation 5601 Sunnyside Avenue, Bldg. 4-1193 Beltsville, MD 20705-5141, USA Tel: +301-504-4556 Fax: +301-504-4528 E-mail: Ladislau.Martin@ars.usda.gov
Secretary	Treasurer	Chairman, Samples  Collection
Dr. Gudrun Abbt-Braun Engler-Bunte-Institut, Wasserchemie Universität Karlsruhe Engler-Bunte-Ring 1 76131 Karlsruhe, Germany Tel: +49.721.6084309 Fax: +49.721.6087051 E-mail: gudrun.abbt-braun@ebi-wasser.uni-karlsruhe.de	Dr. C.E. Clapp USDA-ARS Dept. Soil, Water, Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108, USA Tel: +612.625.2767 Fax: +612.649.5175 E-mail: eclapp@umn.edu	Dr. Paul R. Bloom Dept. Soil, Water, Climate University of Minnesota 1991 Upper Buford Circle St. Paul, MN 55108, USA Tel: +612.625.4711 Fax: +612.625.2208 E-mail: prb@umn.edu
Board Position	Board Position
Dr. Claudio Ciavatta Dip. Scienze Tecnologie Agro-Ambientali Università di Bologna Viale Fanin, 40 40127 Bologna, Italy Tel: +39.051.2096201 Fax: +39.051.2096203 E-mail: claudio.ciavatta@unibo.it	Dr. Etelka Tombacz Department of Colloid Chemistry Unversity of Szeged Aradi Vt.1. H-6720 Szeged , Hungary Tel: +36.62.544212 Fax: +36.62.544042 E-mail: tombacz@chem.u-szeged.hu

Honorary Members	Distinguished Service Members
Dr. Russell F. CHRISTMAN	Dr. C. Edward Clapp
Dr. Wolfgang FLAIG †
Dr. Egil T. GJESSING
Dr. Konrad HAIDER
Dr. Michael H.B. HAYES
Dr. Ronald L. MALCOLM †
Dr. Morris SCHNITZER
Dr. Frank J. STEVENSON
Dr. Roger S. SWIFT
† Deceased