Board of Directors

Executive Committee

President

Julie Nemeth-Harn
Komline-Harn

1st Vice President

Greg Madden
H2O Innovation

2nd Vice President

Michael Bourke
Wigen Water Technologies

Treasurer

Randal Braker
Duck River Utility Commission

Secretary

Samantha Black
HDR Inc.

Immediate Past President

Jill Miller
City of Bozeman

Division 1 Directors

Randal J Braker, PE
Term: 2023-2025
General Manager
Duck River Utility Commission
(931) 455-6458
rbraker@druc.org

Jill Miller
Term: 2023-2025
WTP Superintendent
City of Bozeman
(406) 579-9096
jmiller@bozeman.net
www.bozeman.net

John Nichols, PE, CPESC
Term: 2023-2025
Director of Public Utilities
Brunswick County Public Utilities
(910) 512-2334
john.nichols@brunswickcountync.gov
www.brunswickcountync.gov

Eric R Owens, PE
Term: 2023-2025
Assistant General Manager
West Basin Municipal Water District
(562) 275-4266
EricO@westbasin.org
www.wrd.org

Mehul V Patel, PE
Term: 2024-2026
Executive Director of Operations
Orange County Water District
(714) 378-3241
mpatel@ocwd.com
www.ocwd.com

Art Ruiz
Term: 2024-2026
Chief Plant Manager
El Paso Water
(915) 594-5595
aruiz@epwater.org
www.epwater.org

Division 2 Directors

Brent Alspach, PE, BCEE
Term: 2023-2025
Vice President & Director of Applied Research
Arcadis
(614) 985-9122
brent.alspach@arcadis.com
www.arcadis.com

Michael F. Bourke
Term: 2024-2026
VP of Sales
Wigen Water Technologies
(612) 760-0802
michael.bourke@wigen.com
www.wigen.com

Sean M Carter, PE
Term: 2023-2025
Sales Director
Toray Membrane USA, Inc.
(949) 797-9239
sean.carter.h7@mail.toray
www.csmwater.com

Doug W Eisberg
Term: 2024-2026
Kurita, Director of Global Membrane Business
Avista Technologies, Inc.
(760) 744-0536
deisberg@avistatech.com
www.avistatech.com

Dave Holland
Term: 2024-2026
Process Engineer
Aqua-Aerobic Systems, Inc. (A Metawater Company)
(815) 639-4524
dholland@aqua-aerobic.com
www.aqua-aerobic.com

Ben Movahed, PE, BCEE
Term: 2024-2026
President
WATEK Engineering Corporation
(240) 780-7676
movahed@watek.com
www.watek.com

Julie E Nemeth-Harn, PE
Term: 2023-2025
Vice President
Komline-Harn
(941) 488-9671
jnemeth-harn@komline.com
harnrosystems.com

Division 3 Directors

Samantha J Black, PhD, PE
Term: 2023-2025
Water/Wastewater Engineer
HDR Inc.
(407) 508-9903
samantha.black@hdrinc.com
www.ucf.edu

Karla J Kinser, PE
Term: 2024-2026
President
Kinser Membrane Solutions
karla@kinsermemsolutions.com
kinsermemsolutions.com

Greg Madden
Term: 2024-2026
Chief Commercial Officer
H2O Innovation
(310) 283-7476
gregory.madden@h2oinnovation.com
https://www.h2oinnovation.com/

Christine A Owen
Term: 2023-2025
Director of Water and Reuse Innovations
Hazen and Sawyer
(513) 469-5134
cowen@hazenandsawyer.com
www.hazenandsawyer.com

Greg D Wetterau, PE, BCEE
Term: 2024-2026
Vice President
CDM Smith
(813) 262-8818
wetteraugd@cdmsmith.com
www.cdmsmith.com

At-Large Directors

Dave Holland
Term: 2023-2024
Process Engineer
Aqua-Aerobic Systems, Inc. (A Metawater Company)
(815) 639-4524
dholland@aqua-aerobic.com

Affiliate Board Members

Paul G Biscardi, PhD, PE
SEDA Liaison to AMTA
Associate
Hazen and Sawyer
(513) 469-5134
pbiscardi@hazenandsawyer.com
www.hazenandsawyer.com

Jason Diamond, PE
SWMOA Liaison to AMTA
Regional Lifecycle Manager
Veolia Water Technologies & Solutions
(832) 661-9504
Jason.Diamond@veolia.com
www.gewater.com

Timothy English
NWMOA Liaison to AMTA
Senior Engineer
Carollo Engineers, Inc.
(407) 478-4642
tenglish@carollo.com
www.carollo.com

Directors Emeritus

Steven J Duranceau, PhD,PE
Director Emeritus
Professor
University of Central Florida
(407) 508-9903
steven.duranceau@ucf.edu
www.ucf.edu

Scott Freeman, PE
Director Emeritus
Owner
Membrane Medic
membranemedic@gmail.com

Lynne M Gulizia
Director Emeritus
membranegirl@gmail.com

Bob R Yamada, PE
Director Emeritus
Principal
Yamada H2O
bob@yamadah2o.com
www.sdcwa.org