Leadership Overview
SI Group has 5 executives leading key functions including strategy, regional operations, financial management, information technology, and global marketing.
Focused on delivering high-performance chemical solutions, SI Group maintains a commitment to innovation and excellence in manufacturing performance additives, process solutions, and pharmaceutical ingredients for global markets.
Focused on delivering high-performance chemical solutions, SI Group maintains a commitment to innovation and excellence in manufacturing performance additives, process solutions, and pharmaceutical ingredients for global markets.
Leadership Roles at SI Group
David Bradley - President & Chief Executive Officer
David Bradley, the President & Chief Executive Officer at SI Group, directs the overarching strategic vision and operational execution for the entire chemical manufacturing enterprise. Bradley oversees the alignment of performance additives and pharmaceutical ingredient production with long-term corporate growth objectives. By coordinating with the Board and senior leadership, the President & Chief Executive Officer ensures that the organization maintains a competitive edge in the global chemical market. This leadership role involves driving efficiency across all manufacturing facilities while fostering a culture of safety and technical excellence. David Bradley actively monitors market trends to identify new opportunities for chemical intermediates and process solutions. Through rigorous oversight of capital allocation and resource management, the President & Chief Executive Officer secures the financial health and market position of the company, ensuring that the organization remains a leader in the chemical industry.
Helio Ono - Chief Financial Officer
Helio Ono, the Chief Financial Officer at SI Group, directs the financial strategy, capital structure, and fiscal planning for the global chemical manufacturing organization. Ono oversees the management of financial reporting, risk assessment, and investment analysis to ensure the long-term sustainability of the company. By collaborating with the executive team, the Chief Financial Officer aligns budgetary priorities with the strategic goals of the performance additives and pharmaceutical ingredients divisions. This leadership role involves optimizing cash flow and managing financial performance across international operations. Helio Ono implements robust financial controls to maintain transparency and regulatory compliance. Through the strategic allocation of capital and the monitoring of economic indicators, the Chief Financial Officer supports the growth initiatives of the company, ensuring that the organization maintains a strong balance sheet while pursuing innovation in chemical process solutions.
Mukund Devanathan - Chief Information Officer
Mukund Devanathan, the Chief Information Officer at SI Group, directs the digital transformation and information technology infrastructure required to support global chemical manufacturing operations. Devanathan oversees the implementation of advanced data analytics, cybersecurity protocols, and enterprise resource planning systems that enhance operational efficiency. By integrating technology into the production of performance additives and pharmaceutical ingredients, the Chief Information Officer ensures that the company remains at the forefront of digital innovation. This leadership role involves managing the IT roadmap to support cross-functional collaboration and data-driven decision-making across all global sites. Mukund Devanathan coordinates with other C-suite leaders to align technological capabilities with the strategic objectives of the business. Through the modernization of digital systems and the protection of critical intellectual property, the Chief Information Officer drives operational excellence and supports the scalability of the company in a competitive global market.

Tri Nguyen - Chief Marketing Officer & Global Director, Business
Tri Nguyen, the Chief Marketing Officer & Global Director, Business at SI Group, directs the global marketing strategy and business development efforts for the entire portfolio of chemical products. Nguyen oversees the positioning of performance additives, process solutions, and pharmaceutical ingredients to maximize market penetration and brand value. By analyzing customer needs and industry trends, the Chief Marketing Officer & Global Director, Business develops targeted campaigns that drive revenue growth across diverse international markets. This leadership role involves managing the global sales pipeline and ensuring that the commercial strategy aligns with the manufacturing capabilities of the company. Tri Nguyen collaborates with regional directors to tailor business solutions to specific market demands. Through the execution of comprehensive marketing initiatives and the cultivation of key client partnerships, the Chief Marketing Officer & Global Director, Business strengthens the market presence of the company and ensures sustained commercial success.
Joao Porto - Managing Director (Brazil)
Joao Porto, the Managing Director (Brazil) at SI Group, directs all regional manufacturing operations and business development initiatives across the South American market. Porto oversees the production of performance additives and chemical intermediates, ensuring that regional output meets the stringent quality standards required by the global organization. By managing local supply chains and regulatory compliance, the Managing Director (Brazil) optimizes operational workflows to support the broader corporate mission. This leadership role involves building strong relationships with regional stakeholders and clients to expand the market footprint of the company. Joao Porto coordinates with global leadership to integrate regional insights into the overarching business strategy. Through the effective management of local assets and personnel, the Managing Director (Brazil) drives consistent growth and operational stability, ensuring that the regional presence contributes significantly to the overall success of the chemical manufacturing portfolio.
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