Leadership Overview
Petron has 5 executives leading key functions including strategy, finance, and operations.
Driven by a legacy of innovation, Petron is dedicated to advancing the oil refining and marketing sector through specialized crude oil processing, shaping market dynamics with a commitment to operational excellence and sustainable growth.
Driven by a legacy of innovation, Petron is dedicated to advancing the oil refining and marketing sector through specialized crude oil processing, shaping market dynamics with a commitment to operational excellence and sustainable growth.
Leadership Roles at Petron
Ryzal Zainy - Chief Executive Officer
Ryzal Zainy, the Chief Executive Officer at Petron, directs the company's overall strategic vision and operational execution. Overseeing all business units, Zainy ensures alignment with Petron's core mission of crude oil refining and marketing. This leadership role involves navigating complex market conditions and driving sustainable growth within the Philippines and broader regional markets. By optimizing resource allocation and fostering innovation, Ryzal Zainy directly impacts the company's competitive positioning. The Chief Executive Officer's mandate includes enhancing shareholder value through robust financial performance and operational efficiency, ensuring Petron maintains its leadership in the energy sector. This executive guides the organization's long-term objectives, focusing on expanding market reach and solidifying its reputation for quality and reliability in crude oil processing.
Lubin Nepomuceno - Chief Executive Officer & Executive Director
Lubin Nepomuceno, the Chief Executive Officer & Executive Director at Petron, spearheads the company's strategic direction and corporate governance. Nepomuceno's responsibilities encompass guiding Petron's extensive operations in oil refining and marketing, with a particular focus on crude oil specialization. This executive ensures that all strategic initiatives align with the company's long-term objectives and regulatory requirements. By fostering strong relationships with stakeholders and the board, Lubin Nepomuceno drives operational excellence and sustainable business practices across the organization. The Chief Executive Officer & Executive Director's role is critical in navigating the dynamic energy landscape, ensuring Petron's continued success and market leadership. This leadership position involves overseeing major capital projects and strategic partnerships that enhance the company's competitive edge and market penetration.
Mary Felsher - Chief Financial Officer
Mary Felsher, the Chief Financial Officer at Petron, manages the company's financial health and strategic fiscal planning. Felsher oversees all financial operations, including accounting, treasury, and investor relations, ensuring robust financial controls and compliance with regulatory standards. This role is pivotal in supporting Petron's crude oil refining and marketing activities by providing critical financial insights and securing necessary capital. By optimizing financial strategies, Mary Felsher directly contributes to the company's profitability and long-term sustainability. The Chief Financial Officer's responsibilities extend to risk management and capital allocation, ensuring resources are effectively deployed to achieve strategic objectives. Felsher's leadership ensures financial stability and supports expansion initiatives within the competitive energy market.
Andrew Zupp - Executive Vice President & Chief Operating Officer
Andrew Zupp, the Executive Vice President & Chief Operating Officer at Petron, directs the company's day-to-day operational activities and process optimization. Zupp oversees the entire value chain of Petron's oil refining and marketing business, focusing on efficiency, safety, and quality in crude oil processing. This executive ensures seamless integration of all operational functions, from procurement to distribution, supporting the company's market presence in the Philippines and beyond. By implementing best practices and driving operational improvements, Andrew Zupp directly enhances Petron's production capabilities and service delivery. The Executive Vice President & Chief Operating Officer's mandate includes managing large-scale industrial facilities and supply chain logistics, ensuring reliable product availability and cost-effectiveness. Zupp's leadership is crucial for maintaining operational excellence and achieving strategic growth targets.
Albertito Sarte - Deputy Chief Finance Officer and Treasurer
Albertito Sarte, the Deputy Chief Finance Officer and Treasurer at Petron, supports the Chief Financial Officer in managing the company's financial resources and treasury operations. Sarte's responsibilities include overseeing cash management, debt financing, and investment activities, ensuring liquidity and financial stability for Petron's extensive refining and marketing operations. This role is critical in executing financial strategies that support the company's growth objectives and operational needs related to crude oil procurement and product distribution. By managing financial risks and optimizing capital structure, Albertito Sarte directly contributes to Petron's financial resilience. The Deputy Chief Finance Officer and Treasurer's focus includes ensuring compliance with financial regulations and supporting strategic financial planning. Sarte plays a key part in maintaining strong relationships with financial institutions and stakeholders.
Explore Leadership Teams in Chemicals & Related Products
Founded in 1981 and headquartered in El Segundo, California, Henry Company is a leading innovator of Building Envelope Systems and develops integrated air/vapor barrier, roofing and waterproofing systems to ensure superior building performance.
Company Leadership MC

BH
Axalta is a global coatings company that develops, manufactures, and supplies high performance liquid and powder coatings for automotive, transportation, industrial, and refinish markets. The company focuses on innovation, color technology, and sustainable solutions that enhance durability, protection, and appearance. Serving customers worldwide, it combines advanced research with strong customer support to deliver reliable products that improve efficiency and performance across a wide range of applications.
Company Leadership

BD
Valvoline Inc. manufactures and markets automotive and industrial lubricants. It operates through three segments: Core North America, Quick Lubes, and International. The company offers lubricants for passenger car/light duty and heavy duty; antifreeze/coolants for original equipment manufacturers; functional and maintenance chemicals, such as brake fluids and power steering fluids, as well as specialty coatings for automotive and industrial applications comprising rust prevention, sound absorption, and release agents; and oil and air filters for light-duty vehicles. It also provides windshield wiper blades, light bulbs, serpentine belts, and drain plugs. The company sells its products through approximately 1,068 Valvoline branded franchised and company-owned stores. Valvoline Inc. was founded in 1866 and is headquartered in Lexington, Kentucky.
Company Leadership
SM
EK
MM
Syensqo is a leading chemical manufacturing company founded in 2023 that develops groundbreaking technologies to revolutionize everyday life. The company focuses on creating innovative chemical solutions that advance human progress while promoting environmental sustainability through circular economy principles. Syensqo operates globally with significant presence across North America, Europe, and Asia, offering specialized chemical products and services primarily to business clients. The company maintains extensive research and development capabilities, creating safer, cleaner, and more sustainable chemical technologies for various industries.
Company Leadership
KF
TS