Meet Our Team

Engineering excellence backed by decades of hands-on expertise.

Our leadership and technical team bring specialized credentials, project management experience, and a deep commitment to delivering reliable power and comfort solutions across the Philippines.

14Key Personnel
30+Years Combined Experience
100%Filipino Engineering Talent

Executive Leadership

The leadership guiding Toimisetti’s vision and growth.

These executives set the strategic direction for all four service lines and ensure our commitment to engineering excellence and client success.

AU

Alexander C. Ubaldo

President & Director

Chemist (Gold Mint, BSP retiree)

Leads project execution and overall company direction across power generation, solar, cables, and HVAC service lines.

MM

Michael Macalinao

General Manager

Oversees day-to-day operations and guides the company’s growth while maintaining the service-first approach clients rely on.

CU

Carlos C. Ubaldo

Director, ETA

PME #0004992, MBA-2012

Engineering & Technical Affairs lead, managing technical standards and field engineering across all projects.

PU

Purificacion C. Ubaldo

Treasurer & Director

Manages financial operations and corporate governance to ensure Toimisetti’s long-term sustainability and growth.

PS

Ma. Prescilla C. Ubaldo

Director & Corporate Secretary

Architect (Green Building Materials)

Brings sustainability expertise and corporate governance leadership across all company initiatives.

PA

Pamela C. Ubaldo

Director

PhD (Southern Illinois University, USA), ChE

Chemical engineering expertise supports technical innovation and process optimization across all service lines.

PT

Patricia Ubaldo-Macalinao

Administration Manager

Ensures smooth administrative operations and internal communications across all departments and projects.

Technical & Project Team

Engineers and specialists delivering on the ground.

A team of field-tested professionals with licensed credentials and specialized expertise in power systems, electrical distribution, and thermal operations.

Rustico G. Nero

Project Electrical System Consultant

PEE #1708 — Power Distribution Specialist

Lorenzo Marcelo

Power Distribution Design & Economics

ME/EE — Former VP-SPUG/NPC

Carlos Joshia C. Ubaldo

Project Engineer

REE #26173 — Former MERALCO Switchyard & Testing

Domingo A. Losaria Jr.

Project Leader, O & M

RME (0012558) — Thermal Power Plant Specialist

Arlene A. Aguilar

Project Leader, Site & Pollution Control

RME (0037936) — Environmental Compliance

Ronald Tuico

Senior Project Engineer

REE — Field Engineering & Commissioning

Nestor Insigne

Project Engineer, Logistics & Cost Estimator

Project Planning & Budget Management