Board of Directors

Board of Directors 2025-2028

Division 2 (7 Seats)

NameNameRoleImage
Brent AlspachBrent AlspachDirector
Ricardo AvenaRicardo AvenaSEDA Liaison to AMTA
Mario BautistaMario BautistaDirector
Karla Berroteran-CastellonKarla Berroteran-CastellonDirector
Paul BiscardiPaul BiscardiDirector
Michael BourkeMichael BourkeDirector
Robert BoysenRobert BoysenSCMA Liaison to AMTA
Amos BranchAmos BranchDirector
Darrell ByrerDarrell ByrerDirector
Sean CarterSean CarterDirector
Jason DiamondJason DiamondSWMOA Liaison to AMTA
Steven DuranceauSteven DuranceauDirector Emeritus
Doug EisbergDoug EisbergDirector
Scott FreemanScott FreemanDirector Emeritus
Lynne GuliziaLynne GuliziaDirector Emeritus
Gregory MaddenGregory MaddenDirector
Ben MovahedBen MovahedDirector
Julie Nemeth-HarnJulie Nemeth-HarnDirector
John NicholsJohn NicholsDirector
Eric OwensEric OwensDirector at Large
Mehul PatelMehul PatelDirector
Michelle PetersMichelle PetersDirector
Juan Miguel PintoJuan Miguel PintoDirector
Ryan PopkoRyan PopkoDirector
Art RuizArt RuizDirector
Greg WetterauGreg WetterauDirector

Michelle Peters

Board Member
Channelside Water Resources
Division : 1
Term : 2026 - 2028
Address : ,

Ricardo Avena

Board Member
Kurita America
Division :
Term : 2026 - 2028
Address : Minneapolis, MN

Robert Boysen

Board Member
Garver
Division :
Term : 2026 - 2028
Address : Greenwood Village, CO

Darrell Byrer

Board Member
Fluid Equipment Development Company (FEDCO)
Division : 3
Term : 2026 - 2028
Address : Ft. Lauderdale, FL

Amos Branch

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

Jason Diamond

Board Member
Veolia
Division : SWMOA
Term : 2023 - 2027
Address : Spring, TX

Mario Bautista

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

Karla Berroteran

Board Member
Village of Wellington
Division : 1
Term : 2026 - 2027
Address : Wellington, FL

Greg Wetterau

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

Lynne Gulizia

Board Member
Toray Membrane USA, Inc.
Division :
Term : 2026 - 2028
Address : Poway, CA

Paul Biscardi

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

Eric Owens

Board Member
WRD Water Replenishment District
Division : At-Large
Term : 2025 - 2027
Address : Carson, CA

Steven Duranceau

Board Member
University of Central Florida
Division :
Term : 2026 - 2028
Address : Orlando, FL

Ben Movahed

Board Member
WATEK Engineering LLC
Division : 2
Term : 2026 - 2028
Address : Gaithersburg, MD

Brent Alspach

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

Art Ruiz

Board Member
El Paso Water
Division : 1
Term : 2026 - 2028
Address : El Paso, TX

Scott Freeman

Board Member
Membrane Medic
Division :
Term : 2026 - 2028
Address : Madison, WI

Mehul Patel

Board Member
Orange County Water District (OCWD) 
Division : 1
Term : 2026 - 2028
Address : Fountain Valley, CA

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 : 2026 - 2028
Address : Chaska, MN

Gregory Madden

Board Member, Executive Member
H2O Innovation
President
Division : 3
Term : 2026 - 2028
Address : Champlin, MN

Doug Eisberg

Board Member, Executive Member
Kurita America
2nd Vice President
Division : 2
Term : 2026 - 2028
Address : Ft. Lauderdale, FL