Board of Directors

Board of Directors 2024-2027

Division 2 (7 Seats)

NameNameRoleImage
Brent AlspachBrent AlspachDirector
Mario BautistaMario BautistaDirector
Karla Berroteran-CastellonKarla Berroteran-CastellonDirector
Paul BiscardiPaul BiscardiDirector
Michael BourkeMichael BourkeDirector
Amos BranchAmos BranchDirector
Darrell ByrerDarrell ByrerSCMA Liaison to AMTA
Sean CarterSean CarterDirector
Jason DiamondJason DiamondSWMOA Liaison
Steven DuranceauSteven DuranceauDirector Emeritus
Doug EisbergDoug EisbergDirector
Melissa FernandesMelissa FernandesSEDA Liaison to AMTA
Scott FreemanScott FreemanDirector Emeritus
Lynne GuliziaLynne GuliziaDirector Emeritus
Dave HollandDave HollandDirector at Large
Karla KinserKarla KinserDirector
Gregory MaddenGregory MaddenDirector
Jill MillerJill MillerDirector
Ben MovahedBen MovahedDirector
Julie Nemeth-HarnJulie Nemeth-HarnDirector
John NicholsJohn NicholsDirector
Eric OwensEric OwensDirector at Large
Mehul PatelMehul PatelDirector
Juan Miguel PintoJuan Miguel PintoDirector
Ryan PopkoRyan PopkoDirector
Art RuizArt RuizDirector
Greg WetterauGreg WetterauDirector
Bob YamadaBob YamadaDirector Emeritus

Melissa Fernandes

Board Member
American Water Chemicals, Inc.
Division : SEDA
Term : 2025 - 2026
Address : Plant City, FL

Karla Kinser

Board Member
Kinser Membrane Solutions
Secretary
Division : 3
Term : 2024 - 2026
Address : Denver, CO

Darrell Byrer

Board Member
Fluid Equipment Development Company (FEDCO)
Division : SCMA
Term : 2024 - 2026
Address : Monroe, MI

Amos Branch

Board Member
Carollo Engineers, Inc.
Division : 3
Term : 2025 - 2027
Address : Phoenix, AZ

Jill Miller

Board Member
City of Bozeman
Immediate Past President
Division : 1
Term : 2025 - 2027
Address : Bozeman, MT

Jason Diamond

Board Member
Veolia
Division :
Term : 2023 - 2024
Address : Oakville, Ontario

Mario Bautista

Board Member
Water Replenishment District
Division : 1
Term : 2025 - 2027
Address : Carson, CA

Karla Berroteran

Board Member
Village of Wellington
Division : 1
Term : 2024 - 2026
Address : Wellington, FL

Greg Wetterau

Board Member
CDM Smith
Division : 3
Term : 2026 - 2028
Address : Tampa, FL

Bob Yamada

Board Member
Yamada H2O
Division : Director Emeritus
Term : 2024 - 2026
Address : Bonita, CA

Lynne Gulizia

Board Member
Division : Director Emeritus
Term : 2024 - 2026
Address : ,

Dave Holland

Board Member
Aqua-Aerobic Systems, Inc. (A Metawater Company)
Division : At-Large
Term : 2024 - 2026
Address : Loves Park, IL

Eric Owens

Board Member
Water Replenishment District
Division : At-Large
Term : 2025 - 2026
Address : Carson, CA

Steven Duranceau

Board Member
University of Central Florida
Division : Director Emeritus
Term : 2024 - 2026
Address : Orlando, FL

Ben Movahed

Board Member
WATEK Engineering LLC
Division : 2
Term : 2024 - 2026
Address : Gaithersburg, MD

Paul Biscardi

Board Member
Hazen and Sawyer
Division : 3
Term : 2025 - 2027
Address : Tampa, FL

Mehul Patel

Board Member
Orange County Water District (OCWD) 
Division : 1
Term : 2024 - 2026
Address : Fountain Valley, CA

Brent Alspach

Board Member
Arcadis
Division : 2
Term : 2025 - 2027
Address : Columbus, OH

Art Ruiz

Board Member
El Paso Water
Division : 1
Term : 2024 - 2026
Address : El Paso, TX

Scott Freeman

Board Member
Membrane Medic
Division : Director Emeritus
Term : 2024 - 2026
Address : Madison, WI

Juan Miguel Pinto

Board Member
Energy Recovery Inc.
Division : 2
Term : 2025 - 2027
Address : Berkeley, CA

Ryan Popko

Board Member
JEA
Division : 1
Term : 2025 - 2027
Address : Jacksonville, FL

John Nichols

Board Member, Executive Member
Brunswick County Public Utilities
Secretary
Division : 1
Term : 2025 - 2027
Address : Bolivia, NC

Julie Nemeth-Harn

Board Member, Executive Member
Komline-Harn
Immediate Past President
Division : 2
Term : 2025 - 2027
Address : Venice, FL

Sean Carter

Board Member, Executive Member
Toray Membrane USA, Inc.
Treasurer
Division : 2
Term : 2025 - 2027
Address : Poway, CA

Michael Bourke

Board Member, Executive Member
Wigen Water Technologies
1st Vice President
Division : 2
Term : 2024 - 2026
Address : Chaska, MN

Gregory Madden

Board Member, Executive Member
H2O Innovation
President
Division : 3
Term : 2024 - 2026
Address : Vista, CA

Doug Eisberg

Board Member, Executive Member
Kurita America
2nd Vice President
Division : 2
Term : 2024 - 2026
Address : Plant City, FL