Professional Advisors

Andrew Robertson

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water treatment technologies and hydraulics

Aran Vogenthaler

Souder, Miller & Associates (New Mexico)

Designer with expertise in water treatment technologies

Blanca Surgeon

Rural Community Assistance Corporation (New Mexico)

Water resource administration expert and community organizer

Bob Dunsmore

Certified Water Operator for Vallecitos (New Mexico)

Community development expert and technology specialist who has worked in 20 countries

Braulio Rojas

Suma Jayma (Bolivia)

Executive director of an NGO with  expertise in community organizing and local government management

Dale White

Tarrant Regional Water District (Texas)

Well drilling expert who has provided training to Suma Jayma staff in Texas, and again in Bolivia

Enrique Lozano

Independent Consultant (Honduras)

Civil Engineer with expertise in hydrology, assessing the feasibility of construction of local water projects, project management and community organizing

Ewan Young

Souder, Miller & Associates (New Mexico)

Project Manager with experience in water and wastewater technologies and design/build projects

Dennis Conner

Independent Consultant (Colorado)

Engineer/Project Manager with experience in infrastructure development in developing countries

Emily Parker

Souder, Miller & Associates (New Mexico)

Engineer with expertise in hydraulics

Jason Gehrig

Tarrant Regional Water District (Texas)

Engineer with expertise in water treatment technologies and hydraulics

Jaime Rosas

Suma Jayma (Bolivia)

Senior technician in civil engineering and industrial mechanics, with expertise in water project design

John Torres

Rodgers and Co. (New Mexico)

Highly experienced well drilling technician who has provided invaluable training to Suma Jayma staff on well drilling procedures

Jason Obergfell

Independent Consultant (Bolivia)

Civil engineer with expertise in water resources, basic sanitation, and in-country project management

Greta Quintana

Souder, Miller & Associates (New Mexico)

Engineer with expertise in structural design and analyses

John Rocha

Independent Consultant (Colorado)

Land Surveyor with more than 30 years of experience in the field

Jorge Rosas

Suma Jayma (Bolivia)

Plumbing technician with expertise in manufacturing hand pumps and mechanical tools

John Lincoln

Independent Consultant (Idaho)

Engineer with expertise in water and wastewater treatment technologies and hydraulics

Lam Ho

Independent Consultant (New Mexico)

Engineer with expertise in water and wastewater treatment technologies and hydraulics

Linda Ochoa

Independent Consultant (Peru)

Retired teacher and ex-Peace Corps volunteer in Urubamba, Peru, community organizer and key point of contact for WEFTA in the Urubamba River Valley

Justin Logan

AQUA Engineering (Utah)

Engineer with special expertise in wastewater treatment technologies

Kees Grootenboer

Independent Consultant (Mexico)

Sculptor and Architect with expertise in water project management, bio-digestors and community organizing

Lou Harrington

Independent Consultant (New Mexico)

Landscape architect with expertise in community organization, project planning and implementation, and program management

Mark Howard

Souder, Miller & Associates (New Mexico)

Senior Civil Designer with expertise in preparation of Engineering/Construction Plans

Marvin Martinez

Souder, Miller & Associates (New Mexico)

Water and wastewater operator with expertise in start-up and troubleshooting of systems

Matt Earthman

US Army Corps of Engineers (New Mexico)

Geologist with expertise in geohydrology

Peter Fant

Independent Consultant (New Mexico)

Engineer with expertise in water and wastewater treatment technologies and hydraulics

Ramon Lucero

Independent Consultant (New Mexico)

Project manager with expertise in community organization, water needs assessments, and project feasibility studies

Richard Mulliken

Independent Consultant (Colorado)

Land Surveyor with expertise in mapping remote areas

Paul Kennedy

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water and wastewater treatment technologies and hydraulics

Ryan Biehl

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water system hydraulics and water supply well design

Scott McKitrick

Souder, Miller & Associates (New Mexico)

Geologist with expertise in water treatment technologies and the effects of mining on water quality 

Scott Rogers

AQUA Engineering (Utah)

Engineer with special expertise in wastewater treatment technologies

Steve Wright

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water system hydraulics and water supply well design

Winn Cowman

Souder, Miller & Associates (Colorado)

Environmental scientist with expertise in policy, management, and stakeholder outreach

Royce Beaudry

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water and wastewater treatment technologies and hydraulics

Tory Tadano

Souder, Miller & Associates (New Mexico)

Engineer with expertise in water treatment technologies and hydraulics

Scott Andreasen

Souder, Miller & Associates (New Mexico)

Engineer with expertise in Geographic Information Systems (GIS)

Tim Wellman

Independent Consultant (Colorado)

Program manager with expertise in community-based training, organization and mobilization for potable water and sanitation project implementation

Water & Health

Since 2002, WEFTA has been connecting donors, engineers, and communities in Latin America and Africa, all with the common goal of ensuring access to clean drinking water for everyone.

Sanitation & Environment

WEFTA engineers help communities make sound decisions and facilitate the dialog leading to the development of solutions for inadequate sewage treatment, and its associated environmental impacts. 

Development & Sustainability 

WEFTA volunteers work with the communities we partner with to develop the local skills needed to maintain and manage the water and wastewater systems constructed.