O&G Industries Executive and Leadership Team

August, 2026

Leadership Overview

O&G Industries has 5 executives leading key functions including financial strategy, information technology, human resources, and heavy civil construction operations.

Committed to excellence in heavy civil construction and asphalt paving, O&G Industries delivers robust infrastructure solutions across the Northeast while maintaining a legacy of quality and operational integrity.

Leadership Roles at O&G Industries

  • Chief Financial Officer - Mark Tomkalski
  • President - David Oneglia
  • President - James Zambero
  • Chief Information Officer - Tiffany Firebaugh
  • Chief Human Resources Officer - Beth Dupont
  • Mark Tomkalski - Chief Financial Officer

    Mark Tomkalski, the Chief Financial Officer at O&G Industries, directs all fiscal planning and capital allocation strategies. Overseeing the financial health of heavy civil construction projects, the Chief Financial Officer ensures rigorous budget management and long-term economic stability. This leadership role involves coordinating with the Board to optimize resource distribution across Northeast operations. By implementing advanced accounting controls, Mark Tomkalski directly impacts the profitability of asphalt paving and construction service lines. Tomkalski manages complex financial reporting requirements while driving cost-efficiency initiatives throughout the organization. Through precise oversight of cash flow and investment portfolios, the Chief Financial Officer secures the necessary capital to support large-scale infrastructure development. This executive maintains strict compliance with industry regulations, ensuring the financial foundation remains solid for future growth. Ultimately, Tomkalski provides the fiscal transparency required to sustain the competitive market position of the firm.
    Mark Tomkalski

    David Oneglia - President

    David Oneglia, the President at O&G Industries, directs the strategic vision for heavy civil construction and infrastructure development. Overseeing the execution of large-scale paving projects, the President ensures operational excellence across all regional markets. This leadership role involves managing high-level client relationships and securing major contracts that define the market presence of the firm. By prioritizing safety and quality in every project, David Oneglia directly impacts the reputation and reliability of the company. Oneglia coordinates with the executive team to streamline project delivery and enhance productivity on complex civil sites. Through the oversight of heavy equipment utilization and material supply chains, the President maintains the competitive edge of the business. This executive drives the long-term growth strategy, focusing on sustainable expansion and technical innovation. Ultimately, Oneglia secures the operational success of the firm by maintaining rigorous standards in every aspect of construction.

    James Zambero - President

    James Zambero, the President at O&G Industries, directs the business development and market expansion efforts for construction services. Overseeing the integration of new asphalt paving technologies, the President ensures the firm remains at the forefront of industry innovation. This leadership role involves identifying emerging market opportunities and diversifying the service portfolio to include advanced civil engineering solutions. By fostering partnerships with public and private sector stakeholders, James Zambero directly impacts the revenue growth and project pipeline of the company. Zambero manages the strategic deployment of resources to maximize efficiency across diverse construction sites. Through the implementation of lean construction methodologies, the President reduces waste and improves project timelines. This executive collaborates with the Board to refine the corporate mission and ensure alignment with evolving infrastructure needs. Ultimately, Zambero drives the commercial success of the firm by balancing technical expertise with aggressive market growth strategies.

    Tiffany Firebaugh - Chief Information Officer

    Tiffany Firebaugh, the Chief Information Officer at O&G Industries, architects the digital infrastructure supporting heavy civil construction and paving operations. Overseeing enterprise-wide data security and software integration, the Chief Information Officer ensures seamless connectivity across regional project sites. This leadership role involves modernizing legacy systems to improve operational efficiency and field-to-office communication. By deploying advanced project management software, Tiffany Firebaugh directly impacts the speed and accuracy of construction delivery. Firebaugh manages the technology roadmap, aligning digital investments with the broader business goals of the firm. Through the implementation of robust cybersecurity protocols, the Chief Information Officer protects critical project data and intellectual property. This executive drives innovation by integrating automated tools into daily workflows, reducing manual errors in complex civil engineering tasks. Ultimately, Firebaugh transforms technical capabilities into a distinct competitive advantage for the entire organization.
    Tiffany Firebaugh

    Beth Dupont - Chief Human Resources Officer

    Beth Dupont, the Chief Human Resources Officer at O&G Industries, directs talent acquisition and workforce development strategies for the construction sector. Overseeing organizational culture and employee safety programs, the Chief Human Resources Officer ensures alignment with the high standards of heavy civil construction. This leadership role involves managing labor relations and professional development initiatives across the Northeast. By optimizing recruitment pipelines for skilled trades and engineering staff, Beth Dupont directly impacts the operational capacity of the firm. Dupont manages performance management systems, fostering a culture of accountability and excellence. Through the design of comprehensive benefits and training programs, the Chief Human Resources Officer supports the retention of top-tier talent in a competitive industry. This executive coordinates with other C-suite leaders to ensure human capital strategies support the long-term growth objectives of the company. Ultimately, Dupont builds a resilient workforce capable of executing complex infrastructure projects.

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    Frequently Asked Questions Regarding O&G Industries Top Executives and Leadership Team

    Who leads O&G Industries?
    O&G Industries is led by Mark Tomkalski (Chief Financial Officer), along with executives such as David Oneglia (President) and James Zambero (President).
    Who is part of O&G Industries’s executive team?
    The executive team of O&G Industries includes leaders such as Mark Tomkalski (Chief Financial Officer), David Oneglia (President), James Zambero (President) and other senior executives.
    How many executives does O&G Industries have?
    O&G Industries has 5 executives leading key business areas.
    What roles are included in O&G Industries’s leadership team?
    The leadership team of O&G Industries includes roles such as Chief Financial Officer, President, President, Chief Information Officer, Chief Human Resources Officer.