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Management Team

Key Officers

Isidro A. Consunji

Chairman of the Board

Chief Executive Officer

Maria Cristina C. Gotianun

President, Chief Operating Officer

and Chief Sustainability Officer

Christopher Thomas C. Gotianun

Executive Vice President,

Chief Technical and Commercial Officer

Carla Cristina T. Levina

Vice President

Chief Finance Officer

Lorreto H. Rivera

Vice President, Power Market 

and Commercial Operations

Atty. Julius M. Lotilla

Vice President, Legal Affairs 

and Chief Compliance Officer

Atty. John R. Sadullo

Vice President, Asset Registry and Corporate Secretary, and Chief Information Officer

Ruben P. Lozada

Vice President for Operations 

& Chief Risk Officer

Maria Cecilia H. Sese-Fuertes

Vice President, Human Resources

Dave Philip L. Castro

AVP & Resident Manager

Head Office Management

Kwun Phite C. Lock

Head, Supply Chain Management

Andy D. Raymundo

Head, Data Science And Innovation

Mark Louis A. Bentayo

Head, Coal Marketing 

Joseph D. Susa

Head, Internal Audit

Harold Henry G. Cabanilla

Head, Risk, Quality, and Sustainability

Rex C. Villarias

Head, Information and Communication Technology

Leah Anne A. Agduyeng

Senior Manager

Information and Communication Technology

Joy E. Carrido

Senior Manager

Finance and Accounting

Gilbert M. Allam

Senior Manager

Information and Communication Technology



Ma. Rebecca T. Ramos

Senior Manager

Supply Chain Management



Ricardo Ervin R. Duldoco

Manager

Power Market & Commercial Operations

Dave Detzer C. Manalo

Manager

Supply Chain Management

Christoper E. Fernandez

Manager

Admin and General Services

Aris V. Policarpio

Manager

Power Market & Commercial Operations

Lawrence Daniel A. Guidote

Manager

Data Science and Innovation

Monicar C. Siapco

Manager

Regulatory Affairs

Jerweel L. Jayson

Manager

Finance and Accounting

Jesus G. Villavicencio, Jr.

Manager

Power Market & Commercial Operations

Marie Joy H. Lagda

Manager

Finance and Accounting



Edwin N. Magaling

Assistant Manager

Information & Communication Technology

Judith C. Simporios

Assistant Manager 

Information & Communication Technology

Rayenan Miguel A. Ortiz

Assistant  Manager

Corporate Governance

Raquel L. Yambot

Assistant Manager

Treasury

Coal Management

Ruben P. Lozada

Vice President

Mining Operations and Resident Manager

Janesto S. Diaz, Jr.

Head, Environmental Management

Danilo S. Tirona, Jr.

Head, Mining Division

Mark C. Munar

Head, Mining Division

Harold D. Lantaca

Head, Mine Truck and Shovel Operation

Creslito D. Bangalao

Head, Admin Division

Reli G. Lozada

Head, Civil Works

Girlie P. Bitarra

Head, Geology

Romulo A. Serra

Head, Mobile Maintenance

Cheaster B. Caliao

Head, Product

Almar G. Valdemar

Head, Human Resources

Dave Philip L. Castro

Head, Mine Planning & Engineering

Jose Leo S. Valdemar

Head, Power Plant

Kevin A. Casumpang

Head, Mechanical Services

Phil Anthony M. Cuizon

Head, Mine Operations Audit



Justine Lorenz P. Balbin

Manager

ESG Program

Felix B. Ofiana, Jr.

Senior Safety Officer

Mariel A. Cameros

Assistant Manager

Accounting and Controllership

Anna Liza F. Patingan

Occupational Health Officer

Power Subsidiaries:

SEM-Calaca Power Corporation | Southwest Luzon Power Generation Corporation

Power Management

Hilarion Roman C. Medrano

Senior Vice President

Power Operations

Edgar C. Mariano

Vice President, Calaca Power Complex

Materials Management and General Services

Charlie V. Robles

Vice President and Manager for Power Complex

Chief Risk Officer for Power Segment

Fred F. Fajarillo Jr.

Plant Manager

Sem-Calaca Power Corporation

Rizaldy S. Manlusoc

Manager, Operations

Sem-Calaca Power Corporation

Bernard I. Carpio

Manager, Maintenance

Southwest Luzon Power Generation Corporation

Noel N. Salamat

Plant Manager

Southwest Luzon Power Generation Corporation

Lean G. Depusoy

Manager, Operations 

Sem-Calaca Power Corporation

Constantino B. Tumbaga

Manager, Maintenance

Sem-Calaca Power Corporation

Alfie B. Mendoza

Manager

Supply Chain Management

Power Shared Services

Lamberto C. Dimaano

Senior Manager
Occupational Safety and Health, 

Security, and Community Relations

Lilybeth L. Serrano

Manager, Accounting 

Southwest Luzon Power Generation Corporation

Richard V. Endaya

Group Manager

Technical Services

Penylane C. Pereyra

Superintendent

General Services Head 

Rosalyn I. Petallo

OIC Manager

Human Resources