Executive Committee
President
Gregory MaddenH2O Innovation

1st Vice President
Michael BourkeWigen Water Technologies

2nd Vice President
Doug EisbergKurita America

Treasurer
Sean CarterToray Membrane USA, Inc.

Secretary
John NicholsBrunswick County Public Utilities

Immediate Past President
Julie Nemeth-HarnKomline-Harn
Division 1 Directors
Mario Bautista
Term: 2025-2027
Engineer
Water Replenishment District
(562) 275-4266
mbautista@wrd.org
www.wrd.org
Term: 2025-2027
Engineer
Water Replenishment District
(562) 275-4266
mbautista@wrd.org
www.wrd.org
Karla V Berroteran
Term: 2024-2026
Water Treatment Plant Superintendent
Village of Wellington
(561) 753-2420
kberroteran@wellingtonfl.gov
www.wellingtonfl.gov
Term: 2024-2026
Water Treatment Plant Superintendent
Village of Wellington
(561) 753-2420
kberroteran@wellingtonfl.gov
www.wellingtonfl.gov

Term: 2025-2027
WTP Superintendent
City of Bozeman
(406) 579-9096
jmiller@bozeman.net
www.bozeman.net

Term: 2025-2027
Director of Public Utilities
Brunswick County Public Utilities
(910) 512-2334
john.nichols@brunswickcountync.gov
www.brunswickcountync.gov

Term: 2024-2026
Executive Director of Operations
Orange County Water District (OCWD)Ê
(714) 378-3241
mpatel@ocwd.com
www.ocwd.com

Term: 2024-2026
Chief Plant Manager
El Paso Water
(915) 594-5595
aruiz@epwater.org
www.epwater.org
Division 2 Directors

Term: 2025-2027
Vice President & Director of Applied Research
Arcadis
(614) 985-9122
brent.alspach@arcadis.com
www.arcadis.com

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

Term: 2025-2027
Sales Director
Toray Membrane USA, Inc.
(949) 797-9239
sean.carter.h7@mail.toray
www.csmwater.com

Term: 2024-2026
Kurita, Global Business Development Membrane Treatment Solutions
Kurita America
(760) 744-0536
d.eisberg@kurita-water.com
www.kuritaamerica.com

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

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

Term: 2025-2027
Strategic Advisor
Komline-Harn
(941) 488-9671
JEN-Harn@outlook.com
harnrosystems.com
Juan Miguel Pinto
Term: 2025-2027
Director of Water
Energy Recovery Inc.
(786) 925-8500
jmpinto@energyrecovery.com
www.energy-recovery.com
Term: 2025-2027
Director of Water
Energy Recovery Inc.
(786) 925-8500
jmpinto@energyrecovery.com
www.energy-recovery.com
Division 3 Directors

Term: 2025-2027
Senior Associate
Hazen and Sawyer
(513) 469-5134
pbiscardi@hazenandsawyer.com
www.hazenandsawyer.com
Amos Branch, Ph.D.
Term: 2025-2027
Water Reuse Technologist
Carollo Engineers, Inc.
(407) 478-4642
abranch@carollo.com
www.carollo.com
Term: 2025-2027
Water Reuse Technologist
Carollo Engineers, Inc.
(407) 478-4642
abranch@carollo.com
www.carollo.com
Gregory Madden
Term: 2024-2026
Chief Commercial Officer
H2O Innovation
(310) 283-7476
gregory.madden@h2oinnovation.com
https://www.h2oinnovation.com/
Term: 2024-2026
Chief Commercial Officer
H2O Innovation
(310) 283-7476
gregory.madden@h2oinnovation.com
https://www.h2oinnovation.com/

Term: 2024-2026
Vice President
CDM Smith
(813) 262-8818
wetteraugd@cdmsmith.com
www.cdmsmith.com
At-Large Directors

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

SCMA Liaison to AMTA
Technical Manager
American Water Chemicals, Inc.
(619) 672-3087
dbyrer@membranechemicals.com
www.membranechemicals.com

SWMOA Liaison to AMTA
Regional Lifecycle Manager
Veolia Water Technologies & Solutions
(832) 661-9504
Jason.Diamond@veolia.com
www.gewater.com
Melissa Fernandes
SEDA Liaison to AMTA
VP Sales and Marketing
American Water Chemicals, Inc.
(619) 672-3087
mfernandes@membranechemicals.com
www.membranechemicals.com
SEDA Liaison to AMTA
VP Sales and Marketing
American Water Chemicals, Inc.
(619) 672-3087
mfernandes@membranechemicals.com
www.membranechemicals.com
Directors Emeritus

Director Emeritus
Professor
University of Central Florida
(407) 508-9903
steven.duranceau@ucf.edu
www.ucf.edu