+632 8888-3055 +632 8888-3955 CONTACT US
Our Organization > Management Team

Management Team



Isidro A. Consunji

Executive Director

Chairman of the Board
Chief Executive Officer


Maria Cristina C. Gotianun


Chief Operating Officer

Chief Risk Officer


Junalina S. Tabor

Vice President

Chief Finance Officer


Jaime B. Garcia

Vice President, Procurement and Logistics

Nena D. Arenas

Vice President

Chief Governance Officer

Compliance Officer


Atty. John R. Sadullo

Vice President, Legal

Corporate Secretary and Counsel

Corporate Information Officer

Antonio R. Delos Santos

Vice President, Treasury

Jose Anthony T. Villanueva

Vice President, Marketing for Coal

Andreo O. Estrellado

Vice President, Power Market and Commercial Operations

Ruben P. Lozada

Vice President, Mining Operations

Resident Manager

Carla Cristina T. Levina

Vice President, Chief Audit Executive

Jojo L. Tandoc

Vice President, Human Resources and Organization Development


Karmine Andrea S.J. Ching

Assistant Vice President, Corporate Planning



Leandro D. Costales, Jr.

Head, Accounting and Controllership


Leah Anne A. Agduyeng

Manager, Internal Audit


Joseph D. Susa
Manager, Internal Audit

Aris V. Policarpio

Manager, Power Market and Commercial Operations

Ricardo Ervin R. Duldoco

Manager, Market Analysis and Regulatory

Jesus G. Villavicencio, Jr.

Manager, Energy Trading

Ramel Celino S. Mangubat

 Manager, Risk Advisory

Data Protection Officer

J Samson L. Clemente, Jr.

Manager, Treasury


Niño Odelon R. De Lumban

Manager, Supply Chain Management

Rex C. Villarias

Officer-in-Charge, Information and Communications Technology

Ma. Rebecca T. Ramos

Assistant Manager, Import and Export

Andy D. Raymundo

Assistant Manager, Functional Applications

Gilbert M. Allam

Assistant Manager, Network Technical and Infrastructure

Melinda V. Reyes

Officer, Property Risk and Insurance

Christoper E. Fernandez

Officer, Administrative and General Services


Randicris J. Tibayan

Officer, Environmental, Social, and Governance



Ruben P. Lozada

Vice President, Mining Operations
Resident Manager


Vicente Cesar V. Malig
Manager, Administrative Division


Jayson G. Alferez
Officer-in-Charge, Safety


Creslito D. Bangalao

Officer-in-Charge, Mine Operations Audit


Mark Louis A. Bentayo

Head, Product


Harold Henry G. Cabanilla
Head, Integrated Management System

Bernard M. Cadigal
Officer, Social Development


Jerry O. Celo

Head, Electrical Services

Janesto S. Diaz Jr.
Head, Environmental
Officer, Polution Control


Edna A. Gayondato
Head, Analytical Laboratory

Agustin D. Gonzales

Manager, Ship Repair and Maintenance

Rene C. Gonzales

Head, Mobile Maintenance


Rowena A. Hornales

Officer-in-Charge, Material Control

Leto T. Mac-li-ing, Jr.

Head, Mine Truck and Shovel Operation


Jober A. Malsi

Manager, Accounting


Rodante Q. Molina

Head, Mechanical Services

Mark C. Munar

Manager, Energy

Officer-in-Charge, Civil Works and Facilities Maintenance

Danilo S. Tirona

Head, Geology


Almar G. Valdemar

Officer-in-Charge, Human Resources


Jose Leo S. Valdemar

Head, Power Plant




Denel C. Mateo

Officer-in-Charge, Calaca Power Plant Complex

Assistant Vice President, Plant Manager

Officer, Data Protection

Sem-Calaca Power Corporation


Charlie V. Robles

Plant Manager

Officer, Data Protection

Southwest Luzon Power Generation Corporation

Edgardo V. Araya

Officer-in-Charge, Support Services

Calaca Power Plant Complex


Gaylord B. Arroyo

Officer-in-Charge, Safety

Calaca Power Plant Complex

Bernard I. Carpio
Manager, Planning and Asset

Calaca Power Plant Complex

Rene N. Cordero
Manager, Performance and Engineering

Calaca Power Plant Complex


Randee M. Delos Santos

Manager, Accounting

Sem-Calaca Power Corporation


Christian P. Dolor

Manager, Human Resources

Calaca Power Plant Complex

Marcela D. Ellao


Sem-Calaca Power Corporation

Richard V. Endaya

Superintendent, Supply Chain Management

Vermond Paulo D. Lainez

Officer-in-Charge, Operations

Southwest Luzon Power Generation Corporation

Harvey B. Lucy

Officer-in-Charge, Environmental

Calaca Power Plant Complex

Rossini B. Marasigan

Head/Administrator, IMS

Adolfo M. Mendoza

Manager, Operations

Sem-Calaca Power Corporation


Josephine G. Olarte

Head, Finance and Accounting

Southwest Luzon Power Generation Corporation


Noel N. Salamat

Manager, Maintenance

Sem-Calaca Power Corporation