Dr. Wolfgang Patzwahl
Board - President
Germany
Phone: +49 (0)177 32 98 181
president@piwi-international.org
He has been working as a winegrowing consultant for 28 years. As a co-initiator and founding member of PIWI International, PIWI grape varieties and the promotion of their cultivation have played an important role in his work from the very beginning. He is committed to sustainable, organic winegrowing. It is particularly important to him to reduce the use of pesticides in winegrowing by increasing the cultivation of PIWI grape varieties.
Ing. Oen. Wolfgang Renner
Board of Directors - Vice President
Ragnitzstrasse 193
8047 Graz
Austria
Phone: +43 316 87 76 614
wolfgang.renner@stmk.gv.at
Since In 2016 he became chairman of PIWI Austria and has been working in wine research for over 25 years, focusing on PIWI grape varieties. He sees PIWI International as an umbrella organization and central hub for the international PIWI network.
Heinrich People Berger
Board – Secretary
Bremen Steigle 6
74199 Untergruppenbach
Germany
Telephone: +49 (0)1577 31 70 885
As a graduate engineer (FH), he worked in sales and marketing for many years and was able to establish numerous contacts in other European countries. He is particularly interested in sustainable nutrition, especially wine. For this reason, he is involved with PIWI International and Slow Food. His goal is to convince as many wine drinkers as possible of the advantages of PIWI grape varieties.
Thomas Zimmermann
Board - Treasurer
Rebbergstrasse 24
5108 Surface Flax
Switzerland
Lea Maria Linhart
Executive Board
Niedersulz 106
2224 Sulz in the Weinviertel
Austria
Phone: +43 680 40 21 403
leam.linhart@icloud.com
As a research assistant at BOKU University and part-time winemaker, she represents the topic of PIWIs with joy and commitment and tests their future viability with regard to abiotic and biotic stress factors - both in the laboratory and in the field. She values the professional exchange and learning from and with each other as a core competence of the PIWI International Association and is pleased to be able to contribute to it.
František Mádl
Executive Board
Na Aleji 148
69102 Velké Bílovice
Czech Republic
Phone: +420 (0)602 780 364
madl@slunce.cz
He has been working with PIWI vines since 1985. He was a member of a team that imported promising new varieties from European research institutes and also worked on new varieties of PIWI grapes. Since 1996 he has been cultivating 2.3 hectares of PIWI varieties organically. His tasks and goals are to further develop and establish PIWI grape varieties in the Czech Republic.
Beatrice Steinemann
Executive Board
Ackerstrasse 113
5070 Frick
Switzerland
Phone: +41 62 865 72 03
bea.steinemann@fibl.org
Riccardo Velasco
Executive Board
Italy
Phone: +39 0438 456725
Mobile: +39 335 7801956
He is the director of the Centre for Research in Viticulture and Enology of CREA-VE, the Italian Ministry of Agriculture and Forestry. As a former research director of the San Michele all'Adige Foundation (FEM) and an expert in genetics and breeding in fruit and wine growing, he brings extensive expertise to the association. In addition to his role on the board of PIWI International, he is also vice president and Italian representative of PIWI Italy.
Christian Waltl
Managing Director
Dr. Wutte Strasse 14
9020 Klagenfurt
Austria
Phone: +43 650 5545 165
office@piwi-international.org
www.weinbauwaltl.at
He has been dedicated to winemaking for more than 12 years and manages a 2-hectare PIWI organic vineyard in Klagenfurt, Carinthia. The PIWIs are particularly close to his heart - tasteful, innovative and sustainable. As a cultural manager, he organizes various festivals that focus primarily on wine and cultural education.
Anja Sistonen
Assistant to the Office Manager
Telephone: +49 (0) 1579 24 99 667
She is a trained industrial clerk and has been training part-time in the field of wine sensory analysis since 2018. Her passion is enjoyment combined with sustainability, which is also reflected in her commitment to the PIWI grape varieties. With her eye for innovative approaches, she wants to contribute to the further development of a sustainable wine industry.