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Our People

Rolf Weberg

NRRI Executive Director
rtweberg@d.umn.edu
(218) 788-2697
Photo of Rolf Weberg

Donald Fosnacht

Associate Director/Initiative Director - Renewable Energy
dfosnach@d.umn.edu
(218) 788-2682
Headshot photo of Don Fosnacht

Lucinda Johnson

Associate Director/Initiative Director for Water
430A
ljohnson@d.umn.edu
(218) 788-2651
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Elaine Hansen

Initiative Director – Business & Entrepreneurial Support
ehansen@d.umn.edu
(218) 726-7298
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George Host

Initiative Director - Forest and Land
425
ghost@d.umn.edu
(218) 788-2664
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George Hudak

Initiative Director - Mining, Minerals and Metallurgy
230D
ghudak@d.umn.edu
(218) 788-2739
Photo of George Hudak

Kevin Kangas

Initiative Director - Coleraine Laboratories
kwkangas@d.umn.edu
(218) 667-4218, (218) 788-2635, (218) 341-5933
Headshot of man in suit.

Eric Singsaas

Initiative Director - Wood Products and Bioeconomy
esingsaa@d.umn.edu
(218) 788-2648
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Elizabeth Alexson

Aquatic Scientist
451G
alexs005@d.umn.edu
(218) 788-2763
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Meagan Aliff

Junior Scientist
451C
aliff002@d.umn.edu
(218) 788-2683
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Basak Anameric

Minerals Coordinator
banameri@d.umn.edu
(218) 667-4206

Brent Anderson

Research Technician
NRRI-Coleraine
bwanders@d.umn.edu
(218) 667-4201
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Matthew Anthony

Senior Lab Technician
Coleraine
manthony@d.umn.edu
(218) 667-4201
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Matt Aro

Scientist, Wood Utilization
maro@d.umn.edu
(218) 788-2700
Photo of Matt Aro

Richard Axler

Limnologist, Aquatic Ecologist
raxler@d.umn.edu
(218) 788-2716
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Will Bartsch

Senior Research Scientist
wbartsch@d.umn.edu
(218) 788-2669
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Josh Bednar

bedn0050@d.umn.edu
(218) 788-2785
Portrait of a man

Dick Bellefy

Senior Research Technician
Coleraine
rbellefy@d.umn.edu
(218) 667-4201
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Steve Berger

Chief of Staff
304
sberger@d.umn.edu
(218) 788-2749

Rodney Bleifuss

Research Consultant
rbleifus@d.umn.edu
(218) 667-4209
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Annie Bracey

Avian Ecologist
404
brace005@d.umn.edu
(218) 788-2649
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Valerie Brady

Research Associate
493
vbrady@d.umn.edu
(218) 788-2753
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Andrew Bramburger

Research Associate
489
abrambur@d.umn.edu
(218) 788-2726

June Breneman

Sr. Communications Specialist/External Affairs Mgr.
357A
jbrenema@d.umn.edu
(218) 788-2600
Photo of June Breneman

Dan Buchman

Research Plot Coordinator
dbuchman@d.umn.edu
(218) 788-2637
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Meijun Cai

Research Associate
495
mcai@d.umn.edu
(218) 788-2686
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Joe Cannella

Principal Laboratory Technician
jcannell@d.umn.edu
(218) 667-4201
Photo of Joe Cannella

Patrick Casey

Lab Supervisor
casey202@d.umn.edu
(218) 667-4208
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Chanlan Chun

Research Associate
chun0157@d.umn.edu
(218) 788-2613
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Patrick Donahue

Building Products Research Program Manager
241F
pdonahue@d.umn.edu
(218) 788-2705
Photo of Patrick Donahue

Josh Dumke

Senior Research Scientist
445B
jddumke@d.umn.edu
(218) 788-2634
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John DuPlissis

Silviculture Research Program Manager
240G
jdupliss@d.umn.edu
(218) 788-2719
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Jane Dzuck

Executive Office & Administrative Assistant
375C
jtdzuck@d.umn.edu
(218) 788-2607
Head and shoulder portrait of Jane Dzuck

Lisa Estepp

Quality Manager, Senior Researcher
479
lestepp@d.umn.edu
(218) 788-2652
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Todd Falardeau

Site Safety Coordinator
Coleraine
tfalarde@d.umn.edu
(218) 667-4237

Chris Filstrup

Researcher 7: Applied Limnologist
257B
filstrup@d.umn.edu
(218) 788-2764
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Sam Firoozi

Assistant Scientist in Rapid Prototype Lab
127
firoo003@d.umn.edu
(218) 788-2761

Greg Gargano

Senior Research Technician
Coleraine
ggargano@d.umn.edu
(218) 667-4217
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Megan Gorder

Administration
430
gorde059@d.umn.edu
(218) 788-2701
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Jessica Gorzo

Landscape Ecologist
405
jmgorzo@d.umn.edu
(218) 788-2711
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Jim Gould

Research Technician
Coleraine
gould099@d.umn.edu
(218) 667-4201
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Shaun Gram

Principal Laboratory Technician
(218) 667-4201
Photo of Shaun Gram

Alexis Grinde

Wildlife Ecologist
408
agrinde@d.umn.edu
(218) 788-2747
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Jack Grochowski

Research Fellow
jegrocho@d.umn.edu
(218) 667-4238
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Greg Grunwald

Information Technology Developer
Mezz
ggrunwal@d.umn.edu
(218) 788-2667
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Tim Hagen

Researcher
255B
thagen@d.umn.edu
(218) 788-2773

Kari Hansen

Senior Laboratory Technician
486
hans2917@d.umn.edu
(218) 788-2722

Dave Haugen

Senior Research Technician
(218) 667-4201
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Chris Heim

Information Technology Developer
Mezz
cheim@d.umn.edu
(218) 788-2647
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John Heine

Economic Geology Scientist
211
jheine@d.umn.edu
(218) 788-2731

Julie Ann Heinz

Executive Office and Administrative Assistant
230
jaheinz@d.umn.edu
(218) 788-2672
Photo of Julie Ann Heinz

Patrice Hell

Human Resources Manager
375
phell@d.umn.edu
(218) 788-2746
Photo of Patrice Hell

Robert Hell

Principal Laboratory Technician
445G
rhell@d.umn.edu
(218) 788-2783
Robert Hell

Erik Hendrickson

Organic Chemistry Researcher
451J/Lab470
hendr918@d.umn.edu
(218) 788-2688, (218) 788-2630
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Jerry Henneck

Senior Research Scientist
451
jhenneck@d.umn.edu
(218) 788-2721

Rob Hietala

Research Technician
Coleraine
rhietala@d.umn.edu
(218) 667-4201
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Shima Hosseinpour

Strategic Project Manager
301
shhoss@d.umn.edu
(218) 788-2626
Head and shoulder picture of a woman.

Kevin Jamsa

Senior Research Technician
Coleraine
kljamsa@d.umn.edu
(218) 667-4201
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Kory Jenkins

Machine Shop/Prototype Lab Manager
131
kjenkins@d.umn.edu
(218) 788-2659
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Julie Johnson

Executive Account Specialist
230C
jjohns12@d.umn.edu
(218) 788-2691
Photo of Julie Johnson

Kurt Johnson

Research Fellow - Peat
231
kjohnso3@d.umn.edu
(218) 788-2668
Photo of Kurt Johnson

Rodney Johnson

Endowed Taconite Chair
rcjohnso@d.umn.edu
(218) 788-2694
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Scott Johnson

Researcher
241
sjohns01@d.umn.edu
(218) 788-2751
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Sean Johnson-Bice

Graduate Assistant
326
joh13659@d.umn.edu
(218) 788-2675

Oleksiy Kacharov

Research Associate
260D
okacharo@d.umn.edu
(218) 788-2708

Kitty Kennedy

Senior Laboratory Technician
kskenned@d.umn.edu
(218) 788-2780
Head and shoulder picture of a woman.

Andriy Khotkevych

Research Engineer
222
akhotkev@d.umn.edu
(218) 788-2605
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Linda Klint

Financial Professional
380A
lklint@d.umn.edu
(218) 788-2677
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Igor Kolomitsyn

Research Associate
223
ikolomit@d.umn.edu
(218) 788-2794
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Oksana Kolomitsyna

Research Fellow
260C
okolomit@d.umn.edu
(218) 788-2727

Roger Koski

Principal Laboratory Technician
rkoski@d.umn.edu
(218) 667-4201
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Katya Kovalenko

Research Associate
451B
ekovalen@d.umn.edu
(218) 788-2733
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Victor Krause

Scientist
255D
vkrause@d.umn.edu
(218) 788-2769, (218) 788-2722
victor krause

Jesse LeMay

Finance Professional 2
380C
jlemay@d.umn.edu
(218) 788-2699
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Jayne Lowry

Executive Office & Administrative Specialist
Lobby
jlowry@d.umn.edu
(218) 788-2694
Head and shoulders photo of a women

Paul Mack

Project Engineer - Renewable Energy
mack0279@d.umn.edu
(218) 667-4213
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Craig Maly

Site Building Safety Manager
145
cmaly@d.umn.edu
(218) 788-2627
head and shoulder picture of man

Tony Masching

Principal Laboratory Technician
(218) 667-4201
Head and shoulders photo of a man

Bernard McMahon

Sr. Research Scientist/Tree Improvement Specialist
240B
bmcmahon@d.umn.edu
(218) 788-2702

Matt Mlinar

Program Manager - Minerals Processing
mmlinar@d.umn.edu
(218) 667-4222
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Ron Moen

Senior Research Associate and Assoc. Professor
408
rmoen@d.umn.edu
(218) 788-2610
Photo of Ron Moen

Stephen Monson Geerts

Senior Research Geologist
239
sgeerts@d.umn.edu
(218) 788-2608
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Julie Mutchler

Chemical Laboratory Supervisor
jmutchler@d.umn.edu
(218) 667-4220
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Neil Nelson

Research Program Manager, Special Projects
240G
nnelson2@d.umn.edu
(218) 788-2602
Photo of Neil Nelson

Gerald Niemi

Senior Program Manager and Professor
406
gniemi@d.umn.edu
(218) 788-2670
Photo of Jerry Niemi

Robin Oberton

Finance & Administrative Associate
CMRL-104
roberton@d.umn.edu
(218) 667-4220
Head and shoulders photo of a women

Marsha Patelke

Scientist
224
mpatelke@d.umn.edu
(218) 788-2642
Head and shoulder picture of a woman.

Tom Petersen

Technical Manager, Mineral Processing
tpeterse@d.umn.edu
(218) 667-4208

Dean Peterson

Senior Geologist
dmpeters@d.umn.edu
(218) 788-2639
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Sara Post

Senior Staff Scientist/Engineer
sppost@d.umn.edu
(218) 788-2678
Head and shoulders photo of a women

Shashi Rao

Metallurgical Engineer
fshashik@d.umn.edu
(218) 667-4231
head and shoulder picture of man

Chad Rascop

Senior Laboratory Technician
Coleraine
crascop@d.umn.edu
(218) 667-4201
Head and shoulders photo of a man

Euan Reavie

Senior Research Associate & Assistant Initiative Director
430B
ereavie@d.umn.edu
(218) 788-2692
Photo of Euan Reavie

Donald Reiser

Lab Services Coordinator
dmreiser@d.umn.edu
(218) 667-4201
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Carol Reschke

Research Program Manager
311B
resc0032@d.umn.edu
(218) 788-2738
Head and shoulder picture of a woman.

Elaine Ruzycki

Senior Research Scientist
eruzycki@d.umn.edu
(218) 788-2737, (218) 788-2703
Photo of Elaine Ruzycki

Matthew Santo

Senior Laboratory Technician
486
santo123@d.umn.edu
(218) 788-2722

Patrick Schoff

Research Associate
497
pschoff@d.umn.edu
(218) 788-2768
Photo of Pat Schoff

Stacy Schwenke

Grants and Contracts Manager
350c
schw0787@d.umn.edu
(218) 788-2620
Head and shoulders photo of a women

Brett Spigarelli

Metallurgical Engineer
Coleraine
bspigare@d.umn.edu
(218) 667-4235
Head and shoulders photo of a man

Tiffany Sprague

Sustainability Program Manager & Watershed Scientist
451D
spra0141@d.umn.edu
(218) 788-2673
Head and shoulders photo of a woman

Michael Swanson

Principal Laboratory Technician
(218) 667-4201
Photo of Michael Swanson

Tammy Thomasson-Ehrhart

Executive Office & Administrative Specialist
Lobby
thomasst@d.umn.edu
(218) 788-2706
Head and shoulders photo of a women

Nicholas Walton

Quantitative Ecologist
404
ngwalton@d.umn.edu
(218) 788-2782
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Holly Wellard Kelly

Principal Laboratory Technician
445A
hwellard@d.umn.edu
(218) 788-2662, (218) 788-2608

Tim White

Business Development and Intellectual Property Manager
350
twwhite@d.umn.edu
(218) 788-2756
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Norman Will

Information Technology Professional
451H
nwill@d.umn.edu
(218) 788-2609
Norm Will

Christopher Wright

Research Associate
311C
ckwright@d.umn.edu
(218) 788-2745

Sergiy Yemets

Research Associate
260G
syemets@d.umn.edu
(218) 788-2766
head and shoulder picture of man

Matt Young

Research Staff Engineer, Biomass Specialist
260F
youn1317@d.umn.edu
(218) 788-2606, (218) 788-2622

Steve Zaitz

Senior Research Technician
Coleraine
szaitz@d.umn.edu
(218) 667-4201
Head and shoulders photo of a man

Larry Zanko

Senior Research Fellow
207
lzanko@d.umn.edu
(218) 788-2674
Photo of Larry Zanko