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The Experts


Bios of Experts

Local Utility Experts


Jeff Greenwell

Jeff Greenwell, P.E.
Hillsborough County
Section Manager
Hillsborough County Public Utilities Department

Lynn Spivey

Lynn Spivey
City of Plant City
Director, Utilities Department

Ed TorresBioPhoto2

Ed Torres, MS, P.E. LEED, A.P.
City of Altamonte Springs
Director of Orange County Utilities


Chuck Weber

Chuck Weber, P.E.
City of Tampa
Water Director

Bart Weiss

Bart Weiss, P.G.
Hillsborough County
Division Director Reclaimed Water and Discharge Elimination Division Public Utilities Department

Ryan Popko

Ryan Popko, P.E.
JEA Water Purification Program Manager 



Florida Water Management District Experts


Tammy Bader

Tammy Bader-Gibbs
St. Johns River Water Management District
Technical Program Manager, Division of Water Supply Planning & Assessment
Bureau of Water Supply Planning

Amy Brown

Amy Brown
Suwannee River Water Management District
Water Supply Chief

Mark Elsner

Mark Elsner, P.E.
South Florida Water Management District
Bureau Chief, Water Supply

Jay Hoecker Portrait

Jay Hoecker
Southwest Florida Water Management District
Water Supply Manager

Florida Department of Environmental Protection Experts



Lance Kautz
Florida Department of Environmental Protection
Environmental Consultant

Alexandra Spencer

Alexandra Spencer
Florida Department of Environmental Protection
Senior Program Analyst


Florida Consultant Community Experts


David Ammerman

David Ammerman, P.E.
City of Altamonte Springs, Division Director

Robert Beltran Jr

Robert Beltran Jr., P.E.
Hydro Solutions Consulting

Laura Donaldson

Laura Jacobs Donaldson, B.C.S.
Manson Bolves Donaldson Varn  Attorneys at Law Shareholder


Mark Hammond

Mark Hammond, P.E.
Applied Sciences Consulting, Inc.

Chris Hill

Chris Hill P.E., B.C.E.E., Env. Sp
AECOM, Senior Vice President, Water Systems Market Sector Leader

Christine Owen

Christine Owen
Hazen & Sawyer
Director of Drinking Water and Reuse Innovations 


Florida Academic Expert

Donna J Petersen

Dr. Donna Petersen
USF College of Public Health
Dean and Senior Associate Vice President


National Experts


Pranjali Kumar

Pranjali Kumar, P.E.
Carollo Engineers, Inc.
Project Engineer 

Eva Steinle Darling

Eva Steinle-Darling, P.E.
Carollo Engineers, Inc.
Water Reuse Technical Practice Director and Vice President

Gilbert Trejo

Gilbert Trejo, P.E.
El Paso Water (Texas)
Chief Technical Officer

Jo Ann Jackson
Jo Ann Jackson, P.E.
Black & Veatch
One Water National Practice Leader


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