Natural Resources Research Institute

Our People

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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
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Eric Singsaas

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

Principal Lab Technician
(218) 667-4201
Photo of Pat Adams

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

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

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

Jessica Gorzo

Landscape Ecologist
417
jmgorzo@d.umn.edu
(218) 788-2711
Head and shoulder picture of a woman.

June Breneman

Sr. Communications Specialist/External Affairs
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

Chanlan Chun

Research Associate
chun0157@d.umn.edu
(218) 788-2613
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Tobin Dean

Graduate Assistant
deen0005@d.umn.edu
(218) 788-2613
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Patrick Donahue

Wood Products Program Director
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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Jane Dzuck

Office Specialist/Lobby Receptionist
Lobby
jtdzuck@d.umn.edu
(218) 788-2694
Head and shoulder portrait of Jane Dzuck

Denise Endicott

Finance Manager
375C
dendicot@d.umn.edu
(218) 788-2690
Denise Endicott Headshot

Lisa Estepp

Research Fellow
479
lallinge@d.umn.edu
(218) 788-2652
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Sam Firoozi

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

Ralph Garono

Research Associate
491
rjgarono@d.umn.edu
(218) 788-2764

Megan Gorder

Administration
430
gorde059@d.umn.edu
(218) 788-2701
Head and shoulder picture of a woman.

Shaun Gram

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

Alexis Grinde

Wildlife Ecologist
408
agrinde@d.umn.edu
(218) 788-2747
Head and shoulder picture of a woman.

Jack Grochowski

Research Fellow
jegrowcho@d.umn.edu
(218) 667-4238

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

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) 788-2772
Photo of Julie Ann Heinz

Robert Hell

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

Patrice Hell

Executive Office and Administrative Specialist
354
phell@d.umn.edu
(218) 788-2746
Photo of Patrice Hell

Jerry Henneck

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

Shima Hosseinpour

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

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

Nancy Johnson

Associate Administrator
njohnso4@d.umn.edu
(218) 667-4224
Photo of Nancy Johnson

Scott Johnson

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

Research Scientist
320B
kristofj@d.umn.edu
(218) 788-2767

Rodney Johnson

Endowed Taconite Chaire
rcjohnso@d.umn.edu
(218) 788-2694
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Oleksiy Kacharov

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

Kevin Kangas

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

Kitty Kennedy

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

Andriy Khotkevych

Research Engineer
akhotkev@d.umn.edu
(218) 667-4205
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Richard Kiesel

Asst. Director - Minerals Metallurgy & Mining
rkiesel@d.umn.edu
(218) 667-4207
Photo of Richard Kiesel

Igor Kolomitsyn

Research Associate
223
ikolomit@d.umn.edu
(218) 788-2694
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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

Steven Kossett

Director, NRRI Rapid Prototype Lab
131
skossett@d.umn.edu
(218) 788-2759
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Katya Kovalenko

Research Associate
451B
ekovalen@d.umn.edu
(218) 788-2733
Head and shoulder picture of a woman.

Victor Krause

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

Paul Mack

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

Scientist
235
cmaly@d.umn.edu
(218) 788-2627
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Sue Marturano

Executive Accounts Specialist
380C
smartura@d.umn.edu
(218) 788-2799
Sue Marturano

Tony Masching

Principal Laboratory Technician
(218) 667-4201

Bernard McMahon

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

Paul Meysembourg

Research Associate
311D
pmeysemb@d.umn.edu
(218) 788-2644
Photo of Paul Meysembourg

Matt Mlinar

Program Manager - Minerals Processing
mmlinar@d.umn.edu
(218) 667-4222
Photo of Matt Mlinar

Ron Moen

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

Steve Monson Geerts

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

Principal Laboratory Technician
jmutchler@d.umn.edu
(218) 667-4220

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

Executive Office and Administrative Specialist
CMRL-121
roberton@d.umn.edu
(218) 667-4220

Julie Oreskovich

Scientist
260E
joreskov@d.umn.edu
(218) 788-2731
Julie Oreskovich

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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Shashi Rao

Metallurgical Engineer
fshashik@d.umn.edu
(218) 667-4231
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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

Carol Reschke

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

Kim Rewinkel

Executive Office and Admin. Specialist
411A
krewinke@d.umn.edu
(218) 788-2620

Elaine Ruzycki

Research Fellow
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

Jim Sigfrinius

Principal Laboratory Technician
jsigfrin@d.umn.edu
(218) 667-4201
Photo of James Sigfrinius

Trish Sodahl

Assoc. Administrator for Human Resources and Administration
tsodahl@d.umn.edu
(218) 788-2607
Photo of Trish Sodahl

Tiffany Sprague

Sustainability Program Manager
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

Morgan Swingen

Assistant Scientist
320
mbelfelt@d.umn.edu
(218) 788-2752
Head and shoulder picture of a woman.

Robert Vatalaro

Principal Research Shop Foreman
125
rvatalar@d.umn.edu
(218) 788-2749
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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

Steve K. Windels

Research Associate
wind0004@umn.edu

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

Larry Zanko

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