W M  S Y M P O S I A  2 0 2 7   •   P H O E N I X  C O N V E N T I O N  C E N T E R   •   7 - 1 1  M A R  2 0 2 7   •   W M S Y M . O R G   •   + 1  4 8 0 - 5 5 7 - 0 2 6 3
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PAC CHAIR/DEPUTY MANAGING DIRECTOR
Gary Benda, WM Symposia, Inc.
DEPUTY PAC CHAIR
Kurt Gerdes, WM Symposia, Inc.
PAC REPRESENTATIVE
Tom Brouns, PNNL
Kurt Gerdes, WM Symposia, Inc
TRACK CO-CHAIRS & - TRACK NUMBER
Gabriele Bandt*, Vattenfall Europe - Nuclear Energy 
GmbH - 3
Anthony Banford*, UKNNL - 6
Robert Berry*, Foxfire Scientific, Inc. - 10
Amy Boyette, CNL - 8
Ray Clark, Retired US EPA - 1 
Judith Connell, Fluor - 10 
Tanya DeLosier - Sloma, Westinghouse - 5
Rick Demmer, MARCOM - 6 
Paul Dixon, LANL Retired - 9
Brittany Floyd, Waséyabek Federal Group. - 1
Betsy Forinash, Navarro - 2 
Stephanie Fountain, Geosyntec Consultants, Inc. - 7
Vicky Freedman*, Sealaska - 7 
Kurt Gerdes, WM Symposia, Inc.- 7
Jeannette Hyatt, LANL/Triad National Security, LLC - 8 
Robert Jubin, Consultant - 2
Myron Kaczmarsky, Holtec Government Services - 11
Mark Kirshe, ReNuke Services, Inc. - 4
Steven Maheras, PNNL - 5
Craig Michaluk*, AECL. – 1
Robert Miklos, VNS Federal Services - 11
Paivi Nettamo, CDM Smith - 1
Alan Paulley*, Quintessa Ltd - 9
David Peeler, PNNL - 2
Ann Riedesel, Fluor Mission Solutions - 10
Rodrigo Rimando, US DOE EM - 9
Kent Rosenberger, SRMC - 3 
Andreas Roth*, AtkinsRéalis - 4 
John Scaglione, Spectra Tech. Inc. - 11
Zabrina Smith, H2C - 8
Sam Trost, INL - 4
Steven Thomson*, UKNNL - 2
Serge Vanderperre*, Tractebel - 6 
Thilo Von Berlepsch*, BGE Technology GmbH - 2
Todd Wagnon, H2C - 2
Aaron White, US DOE EM – 3
Anna Wikmark*, AB Svafo - 5
ADDITIONAL PAC MEMBERS
Arvind Acharya, RSI/EQM
Lauren Amos, Catawba Corporations
Amanda Anderson, HukariAscendent, Inc.
Fabienne Anton*, TÜV NORD EnSys GmbH & Co. KG
Matthew Asmussen, PNNL
Kim Auclair*, KD Auclair & Associates
Del Baird, Pro2Serve
Tim Ballew, IGS
Latrincy Bates, US DOE EM
Melody Bell, US DOE EMCBC
Marcel Bergeron, H2C
Niklas Bergh*, Westinghouse
Roman Beyerknecht*, Nuclear Engineering Seibersdorf
Dale Bignell, Environmental Consultant 
Paul Black, Neptune and Company, Inc. 
Ingo Blechschmidt*, Nagra
Larry Boing, ANL
Jeff Bowers, Perma-Fix Environmental Services Inc.
Helen Boyd, CPCCo
Christopher Brandjes, EnergySolutions
Alexander Brandl, Colorado State University
Jonathan Bricker, Amentum/Waste Treatment 
Completion Co. 
Frazier Bronson, Mirion Technologies - Canberra 
Robert Brounstein, TerranearPMC
Steven Brown, SHB, Inc.
Olivia Bustillo, Drummond Carpenter
Allen Cain, AtkinsRealis
Darcy Campbell, EPRI
Larry Camper, Advoco Professional Svcs, LLC
Kearney Canter, AtkinsRéalis
Yvette Cantrell, Portsmouth-Paducah Project Office
Darina Castillo*, US DOE LM
Anthony Ciccone, WSP
Michelle Claggett, Project Enhancement Corporation 
Mark Costella, LLNL
Roger Cowton*, Sellafield Ltd
Laura Cree, H2C
Maria Crespo, BGS
Scott Dam, Spectrum, Inc. 
Sharon Robinson, ORNL
Mieke Roos, Belgoprocess
Benjamin Rothrock, UT-Batelle LLC
Jomaries Rovira, Orano TN
Chris Sabbatini, Republic Services
Emily Saleeby, SRMC 
Azadeh (Azi) Samadi*, SRMC 
Natalia Saraeva*, US DOE
Sara Schmeig, Fluor 
Rob Seifert, US DOE HQ
Mike Serrato, S&K Logistics, LLC 
Christopher Shaw, Republic Services 
Fred Sheil*, Sheil Consulting, Ltd.
Daniel Shrum, Low-Level Radioactive Waste Forum
James Shuler, Consultant
Te-Yang Soong, CTI & Associates, Inc.
Rob Staton, Akima 
Philip Stauffer, LANL 
Susan Stiger, Bechtel
Linda Suttora, Consultant
Kazuhiro Suzuki*, TG Consulting, Inc.
George Taylor, Orano TN Americas LLC
Kevin Taylor, AECOM
Mindy Toothman, US DOE-CFBO
Paul Townson, AtkinsRéalis US Nuclear 
Ronald Unz, ICET Mississippi State University 
Tjalle “Chuck” Vandergraaf*, Retired
Jessica Vasseur, Idaho Environmental Coalition
Dale Vines, Studsvik
Stuart Walker, US EPA 
Alex Walmsley, Gel Laboratories UK Ltd
Kenneth Walter, Palo Verde Generating Station
Nelson Walter, WSP
Susan Walter, Abel Key Solutions
Dylan Ward, NAC International
Kirste Webb, PQC Solutions
Jennifer Wohlwend, SRNL 
Sara Woods, US DOE LM 
Chuan-Fu Wu*, ES&H Solutions 
Loong Yong, Spectra Tech, Inc.
Ming Zhu, US DOE 
* = International PAC Members
INTERNATIONAL PROGRAM ADVISORY COMMITTEE 
(IPAC) LEADERS
Canada
Craig Michaluk
China & Taiwan
Chuan-Fu Wu
Finland
Erika Holt
France
Fabien Hubert
Germany
Thilo Von Berleplsch
Japan
Kazuhiro Suzuki
Republic of Korea
Young Hwan Hwang
Russia
Leslie Jardine
Sweden
Anna Wikmark
United Kingdom 
Anthony Banford
WM CORPORATE OFFICERS/ EXECUTIVE COMMITTEE/ 
BOARD OF DIRECTORS (BOD)
Greg Meyer, Fluor Corporation - Chairman of the Board
Susan Stiger, Bechtel - President
Loong Yong, Spectra Tech, Inc. - Treasurer
Kapila Fernando*, WM Symposia - Interim Secretary
EXECUTIVE COMMITTEE MEMBERS-AT-LARGE
Bob Cochran, CTG, LLC
Sandra Fairchild, AMENTUM
John Longenecker, Longenecker & Associates: A 
Geosyntec Company
Robert Weiler, Backward Spyglass LLC
Susan Walter, Abel Key Solutions, Inc - Managing 
Director
Gary Benda, PAC Chair/Deputy Managing Director
ADDITIONAL WM BOARD OF DIRECTORS
Anthony Banford*, UKNNL
John Corderoy*, Nuclear Waste Services
Cathy Hickey, Riemke Professional Solutions, Inc.
Eric Knox, Amentum 
Linda Kobel, Los Alamos Technical Associates 
Craig Michaluk*, Atomic Energy of Canada Ltd
Balendra Sutharshan, Battelle
Kazuhiro Suzuki*, TG Consulting, Japan
Chris Whaley, Roane State Community College
Sheila Harvey, Pillsbury Winthrop Shaw Pittman, LLP – 
General Counsel
Anamary Daniel, IEI 
Evelyn Dawson, RSI
Inci Demirkanli, PNNL
James Dendy, Stanley Consultants
Paul Dickman, ANL
Joe Dixon, NuVision - Walischmiller
Helen Edge, USACE
Kristen Ellis, US DOE
Hilary Emerson, PNNL
Jeff England, NAC International 
Shorty (Ernst) Esch, LANL
Erich Evered, Retired 
Mark Everett, LANL
Michael Fairweather*, University of Leeds
Andrew Fellinger, SRNL
Kapila Fernando*, WM Symposia, Inc.
Mark Frei, Frei Solutions LLC
Al Freitag, Consultant 
Ashley Furman, Longenecker & Associates: A Geosyntec 
Company
Harish Reddy Gadey, INL
C. Ulander Gervais, DHS - Cybersecurity & Infrastructure 
Security Agency
Donald Goebel, Geosyntec Consultants, Inc.
Sonny Goldston, Consultant
Sal Golub, Consultant 
Dee Gray, Navarro 
Ravi Gudavalli, FIU
Stephen Halliwell, VJ Group
Tom Hanson, SE Compact Commission 
Vanessa Hatfield, Waséyabek Federal Group 
Connie Herman, US DOE EM
Cathy Hickey, Riemke Professional Solutions, Inc 
Felix Himmerkus*, Kerntechnische Entsorgung 
Karlsruhe GmbH
Vivian Holloway, SRNL
Erica Holt, VTT Technical Research Centre of Finland
Robert Howard, Spectra Tech, Inc.
Fabien Hubert*, Andra
Young Hwan Hwang, KHNP
James Hylko, Edgewater Technical Associates, LLC
Leslie Jardine*, L.J. Jardine Services
Josh Jarrell, US DOE
Kenneth Johnson, US DOE EMCBC
Sonya Johnson, UCOR
William Jolin, SRNL
Paul Jones, Perma-Fix Environmental Services
Laurie Judd, Longenecker & Associates: A Geosyntec 
Company
Mark Kautsly, US DOE 
Scott Kirk, SRMC 
Eric Knox*, Amentum
Susan Kon, Tetra Tech
Simon Kwong*, UKNNL
Leonel Lagos, FIU
Wendy Lambert, Navarro
Christine Langton, SRNL
Arne Larsson*, Cyclife Sweden AB
Martin Letourneau, Independent Consultant
Larry Ling, UCOR
Cindy Liu, Engineering/Remediation Resources Group
Yung Liu, ANL
John Longenecker, Longenecker & Associates: A 
Geosyntec Company
Alex Lopez, Perma-Fix Environmental Services 
Sarah Lu, LANL
Margaret MacDonell, ANL
Dirk Mallants*, CSIRO
Chandrika Manepally, US Nuclear Waste Technical 
Review Board
Justin Marble, US DOE EM
Stefan Mayer*, IAEA
Sean McCandless, Neptune and Company, Inc.
Kip McDowell, PNNL 
Clint Miller, PG&E
Takashi Mitsui, Decom. Tech 
Horst Monken Fernandes*, CERENA-FEUP 
John Moon, US DOE
Thomas Mooney, Parsons 
Richard Murphy, ARCADIS US, Inc. 
Joceline Nahigian, US DOE EM 
Gregg Occhiogrosso, Neptune and Company, Inc.
Akira Ohno*, IHI Corporation 
Olaf Oldiges*, GNS mbH 
Ryan Overton, Navarro 
Colleen Owens, Consultant 
Kevin Owens, Amentum
Young Soo Park, ANL
Russell Patterson, Contractor 
Sasha Phillips, Mirion Technologies - Canberra
Ericka Rice, TradeWind Services LLC 
THANK YOU TO THE WM PROGRAM ADVISORY COMMITTEE (PAC) AND OUR VOLUNTEER BOARD OF DIRECTORS

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