Local Support. Global Expertise.
From far and wide, we bring in the best of the best nutritionists to provide you with localized support. Our nutritionists are equipped with cutting-edge expertise in combination with a worldview unmatched by our competitors.
Global Support
(Based in the United States.)
Bill Mahanna, Ph.D., Dipl. ACAN
Global Nutritional Sciences Manager
(515) 535-6673
bill.mahanna@pioneer.com
Adam Krull, DVM, Ph.D.
Senior Nutritionist
(515) 535-6313
adam.krull@pioneer.com
Dan Wiersma, M.S.
Business Manager, Alfalfa
(515) 535-0394
dan.wiersma@pioneer.com
North America
Northern United States
Bill Powel-Smith
Dairy Strategic Account Manager
Fond Du Lac, WI
(920) 517-4597
bill.powel-smith@pioneer.com
Jim Smith, M.S., PAS
Dairy Strategic Account Manager
Woodbury, MN
(507) 381-7614
james.smith@pioneer.com
Central United States
Bill Mahanna, Ph.D., Dipl. ACAN
Global Nutritional Sciences Manager
Johnston, IA
(515) 535-6673
bill.mahanna@pioneer.com
Adam Krull, DVM, Ph.D.
Senior Nutritionist
Johnston, IA
(515) 535-6313
adam.krull@pioneer.com
Dan Wiersma, M.S.
Business Manager, Alfalfa
Johnston, IA
(515) 535-0394
dan.wiersma@pioneer.com
Eastern United States
Dann Bolinger, M.S.
Dairy Specialist
Perrinton, MI
(517) 388-1433
dann.bolinger@pioneer.com
Kevin Putnam
Dairy Specialist
Lansing, NY
(585) 245-1239
kevin.putnam@pioneer.com
Jonathan Gillette
Dairy Specialist
New York / New England
(315) 569-2827
jonathan.gillette@pioneer.com
Western United States
Rick Weber
Market Development Manager - Silage
Boise, ID
(208) 362-2340
rick.weber@pioneer.com
Eric Migliazzo
Field Agronomist
California
(559) 840-5108
eric.migliazzo@pioneer.com
Damon Ferguson
Livestock Strategic Account Manager
Amarillo, TX
(806) 928-7655
damon.ferguson@pioneer.com
OJ Barber
Field Agronomist
Pacific NW
(541) 561-5751
owen.barber@pioneer.com
Canada
Ashley Knapton
Dairy Specialist
Ontario
(519) 994-3713
ashley.knapton@pioneer.com
Marie Landry-Blais
Dairy Specialist
Quebec and the Maritimes
(405) 230-8618
marie.landry-blais@pioneer.com
South America
Argentina
Gustavo Abratti
Registration & Regulatory Manager
+54-24-7743-9853
gustavo.abratti@pioneer.com
Chile, Peru & Bolivia
Josè Miguel Aspillaga
Sales Manager
+56 9 9 2327721
jose.aspillaga@pioneer.com
Brazil
Anelcindo Souza Jr
Product Line Leader - Other Crops
+55-51-3719-7700
anelcindo.souza@pioneer.com
Europe
Austria & Switzerland
Paul Brunner
Austria/Swiss Leader
+43 2166 2525 1200
paul.brunner@pioneer.com
Bulgaria
Ivan Kostadinov
Product Manager
+359 2489 9160
ivan.kostadinov@pioneer.com
Czech Republic
Vladimir Cernik
Area Sales Manager
+420 602 344 213
vladimir.cernik@pioneercz.cz
Germany
Barbara Ruser
Lab Manager
+49 4161 737 357
barbara.ruser@pioneer.com
Italy
Gino Magni
Product Manager
+39 0372 841 606
gino.magni@pioneer.com
Poland
Pawel Trawinski
Sales Manager, Seeds
+48 61 81 62 068
pawel.trawinski@pioneer.com
Romania
Maria Cirja
Marketing Manager
+40 21 3035307
maria.cirja@pioneer.com
Serbia
Goran Avramov
Product Manager
+381 21 6742 240
goran.avramov@pioneer.com
Slovenia
Darko Kerec
Field Sales Operations Manager
+386 2 521 36 22
darko.kerec@pioneer.com
Ukraine
Andriy Zagorodniy, MS
Key Account Specialist
+380 95 283 89 09
andriy.zagorodniy@pioneer.com
Bosnia
Branco Pisonic
Area Sales Manager
+385 1 29 58 008
branko.pisonic@pioneer.com
Croatia
Branko Pisonic
Area Sales Manager
+385 1 29 58 008
branko.pisonic@pioneer.com
France
Loic Aubry
Animal Nutrition Agronomist
+33 05 61 06 20 00
loic.aubry@pioneer.com
David Molliere
Silage Product Manager
+33 5 61 06 20 00
david.molliere@pioneer.com
Hungary
Béla Timár
Sales Manager, Seeds
+36 23 447 416
bela.timar@pioneer.com
Netherlands & Belgium
Eugène Houben
Area Sales Manager - South Netherlands
+31 60 6351749
eugene.houben@pioneer.com
Oscar Koppelman
Area Sales Manager - North Netherlands
+31 61 0347572
oscar.koppelman@pioneer.com
Portual & Spain
Raquel Cortesão
Forage Analysis Specialist
+351-91-439-1438
raquel.cortesao@pioneer.com
Slovakia
Marek Jakubec
Product Manager
+421 3 1552 7070
marek.jakbec@pioneer.com
Turkey
Harun Baycan
Silage Product Manager
+90 224 671 83 06
harun.baycan@pioneer.com
United Kingdom
Andy Stainthorpe
Seeds & Inoculant Sales Manager
+44 182 3334279
andy.stainthorpe@pioneer.com
Asia
China
Sam Shi
Dairy Nutrition Manager
+86 0108 557 1642
sam-shi@pioneer.com
Japan
Masaaki Nakanishi
Forage Manager
+81 155627848
nakanisi@aaaphj.co.jp
Russia
Igor Redkozubov
Senior Key Account Manager
+7 985 231 84 73
igor.redkozubov@pioneer.com
Denis Sever
Product Consultant, Forage Additives
+7 863 268 94 06
denis.sever@pioneer.com
India
Manoj Varshney
Product Manager - Silage Corn
manoj.varshney@pioneer.com
Ajay Singh
Animal Nutrition Specialist
ajay.singh@pioneer.com
Pakistan
Ghulam Mustafa
Silage Development Manager
+92 40-446-3633
ghulam.mustafa@pioneer.com
Turkey
Harun Baycan
Silage Product Manager
+90 224 671 83 06
harun.baycan@pioneer.com
Egypt & Middle East
Sherif Negm
Agronomy Manager
+20-226131887
sherif.negm@pioneer.com
Australia & New Zealand
Australia
Jason Scott
National Corn & Microbial Lead
+61 3 543 96075
jason.scott@gentechseeds.com
New Zealand
Ian Williams
Forages & Farm System Specialist
+07-843-2033
iwilliams@genetic.co.nz