About Us / Our People

ThePeople
Behind DNGJ.

From the boardroom to the job site — meet the dedicated professionals who make DNGJ Corporation what it is.

Spotlight

President's Profile

Allan E. De Guzman, President

Allan E. De Guzman

President

Joined November 2022

Allan E. De Guzman joined DNGJ Corporation in November 2022 as President, bringing extensive expertise in the operation and maintenance of Sewage Treatment Plants (STPs).

His qualifications span sales and marketing, design and construction, operation and maintenance, and repair and rehabilitation of STPs since 2004.

Prior to DNGJ, Allan held senior positions in the wastewater treatment industry — playing a pivotal role in bringing companies to established clients through sound marketing and customized STP designs compliant with DENR policies.

He ensures all designs comply with the new Effluent Standard under DENR Administrative Order No. 2016-08, with on-going projects already meeting the regulation.

Allan holds a BS in Chemical Engineering from Saint Louis University and has attended various local and international fora in water and wastewater treatment.

In 15+ years of experience, he has earned continued client trust through his commitment to competent and economical engineering solutions.

STP OperationsChemical EngineeringSales & MarketingDesign & ConstructionDENR ComplianceWastewater Treatment

Governance

Board of Directors

Niño A. Reyes

CEO

Sarah C. Rioveros

Corporate Secretary

Jaime A. Reyes Jr.

Director

Imee A. Reyes

Director

Elaine A. Reyes

Director

Operations

Technical Team

Niño A. Reyes

CEO

Allan E. De Guzman

President

Michael Frank G. Bernal

Project Engineer

Rielyn R. Merida

HR/Admin Officer

Creative

Creative & Marketing

Sharmaine C. Rioveros

Web Developer & Graphic Designer

Work With Our Team.