Member
Mr. Bret Hodne, PWLF
PUBLIC WORKS DIRECTOR
City of West Des Moines
West Des Moines, IA
bret.hodne@wdm.iowa.gov

Member
Mr. John Klostermann
STREET/SEWER MAINTENANCE SUPV
City of Dubuque
Dubuque, IA
jkloster@cityofdubuque.org

Member
Mr. John Paul Johnson, CET
OPERATIONS MANAGER
Wellington County ON
Guelph, ON
paulj@wellington.ca

Member
Mr. Ron Ditmars
Street Maintenance Supt.
City of Olathe
Olathe, KS
RSDitmars@OLATHEKS.ORG

Member
Dr. Wilfrid A. Nixon, PE, PhD, PWLF
VP SCIENCE & THE ENVIRONMENT
SALT INSTITUTE
Alexandria, VA
wilf@saltinstitute.org

Member
Mr. Larry Schneider
Street Superintendent
City of Fort Collins
Fort Collins, CO
lschneider@fcgov.com

Staff Liaison
Ms. Carol Estes, PE
Technical Svs Program Manager
American Public Works Association
Kansas City, MO
cestes@apwa.net

Chair
Mr. R. Mark DeVries
APPLICATION EXPERT
Vaisala Inc
Marengo, IL
mark.devries@vaisala.com

Member
Mr. Bryan Pickworth
Road Maintenance Supervisor
City of Farmington Hills
Farmington Hills, MI
bpickworth@fhgov.com

Member
Mr. Dominic Guthrie
Transportation Services
City of Toronto
Toronto, ON
dguthrie@toronto.ca

Member
Mr. Benjamin J. Jordan, PE, PWLF
WI LTAP Program Director
University of Wisconsin-Madison EPD
Madison, WI
bjordan@wisc.edu

Member
Pat Kennedy, PE
Senior Engineer
City and County of Denver, Public Works, Street Maintenance
Denver, CO
William.kennedy@denvergov.org

Member
Mr. Warren Nicholishen, CSR CIG CST
Supt of Roads And Traffic Operations
City of Kawartha Lakes
Whitby, ON
wnicholishen@city.kawarthalakes.on.ca

Member
Mr. John Scharffbillig
DIRECTOR PW FLEET SERVICES
City of Minneapolis
Minneapolis, MN
john.scharffbillig@minneapolismn.gov

Member
Mr. Kevin Hensley
Stormwater Supervisor
City of West Des Moines
West Des Moines, IA
kevin.hensley@wdm.iowa.gov

Chair
Mr. Benjamin Dow
DIRECTOR OF PUBLIC WORKS
City of Fargo
Fargo, ND
bdow@cityoffargo.com

Member
Mr. Marc F. Valenti
Highway Superintendent
Town of Lexington
Lexington, MA
mvalenti@lexingtonma.gov

Member
Mr. Michael James Coffey
Chief, Statewide Maintenance and Ops
Alaska Dept of Transport & Pblc Fac
Juneau, AK
mike.coffey@alaska.gov

Member
Mr. Tim Croze, PE
Region Maintenance Support Engineer
Michigan Dept of Transportation
Lansing, MI
crozet@michigan.gov

Member
Mr. Lee Perkins, PWM
TRANSPORTATION OPERATIONS MANAGER
CITY OF LETHBRIDGE
LETHBRIDGE, AB
lee.perkins@lethbridge.ca

Member
Mr. David L. Bergner, PWLF
Principal
Monte Vista Associates, LLC
Mesa, AZ
dlbergner@gmail.com

Member
Mr. Michael D. Kennedy, PE
DIRECTOR OF TRANSPORTATION MAINTENANCE AND REPAIR
City of Minneapolis
Minneapolis, MN
mike.kennedy@minneapolismn.gov