Atwell Executive and Leadership Team

November, 2026

Leadership Overview

Atwell has 6 executives leading key functions including strategy, financial oversight, operational management, and corporate leadership.

Focused on delivering comprehensive engineering and construction solutions, Atwell drives excellence across the Real Estate, Power, and Energy sectors to ensure sustainable infrastructure development.

Leadership Roles at Atwell

  • Chief Executive Officer - Jason Atwell
  • Chief Financial Officer - Sean McMillen
  • Chief Financial Officer & Partner - Roderick Petschauer
  • Chief Operating Officer - Daniel McNulty
  • President - Brian Wenzel
  • President - Bill Grandad
  • Jason Atwell - Chief Executive Officer

    Jason Atwell, the Chief Executive Officer at Atwell, directs the overarching strategic vision for the firm. Overseeing the integration of consulting, engineering, and construction services, the Chief Executive Officer ensures alignment with the complex needs of the Real Estate and Land Development markets. This leadership role involves fostering long-term growth across North American operations while maintaining high standards for project delivery. By cultivating relationships with key stakeholders in the Power and Energy sectors, Jason Atwell directly impacts the firm's market position. The Chief Executive Officer monitors performance metrics to guarantee operational efficiency and financial health. Ultimately, Atwell drives the company toward innovation, ensuring that all engineering solutions meet the evolving demands of the Oil and Gas industry while maintaining a competitive edge in the broader construction landscape.
    Jason Atwell

    Sean McMillen - Chief Financial Officer

    Sean McMillen, the Chief Financial Officer at Atwell, manages the fiscal health and capital allocation strategies for the organization. Overseeing the financial reporting and budgeting processes, the Chief Financial Officer ensures that resources support the firm's diverse engineering and construction projects. This role involves analyzing market trends within the Oil and Gas sector to optimize investment decisions and mitigate financial risk. By implementing robust accounting controls, Sean McMillen maintains the integrity of the firm's financial operations across all regional markets. The Chief Financial Officer collaborates with the executive team to align capital expenditures with long-term growth objectives in the Real Estate and Land Development sectors. Ultimately, McMillen secures the financial stability required to sustain the firm's reputation for excellence in complex infrastructure consulting and construction services.

    Roderick Petschauer - Chief Financial Officer & Partner

    Roderick Petschauer, the Chief Financial Officer & Partner at Atwell, manages the firm's equity structure and long-term financial planning. Overseeing the partnership interests and corporate financial strategy, the Chief Financial Officer & Partner ensures that the firm maintains a strong balance sheet to support expansion in the Power and Energy markets. This role involves evaluating potential acquisitions and strategic investments that align with the company's core engineering and construction competencies. By providing financial oversight for large-scale land development projects, Roderick Petschauer supports the firm's commitment to sustainable growth. The Chief Financial Officer & Partner collaborates with other leaders to refine the firm's business model, ensuring profitability across all service lines. Ultimately, Petschauer strengthens the firm's financial foundation, enabling continued success in the competitive Real Estate and Oil and Gas sectors.

    Daniel McNulty - Chief Operating Officer

    Daniel McNulty, the Chief Operating Officer at Atwell, directs the daily execution of engineering and construction projects. Overseeing the operational workflows, the Chief Operating Officer ensures that project teams deliver high-quality results for clients in the Power and Energy markets. This leadership role involves streamlining internal processes to improve productivity and project turnaround times across North American sites. By coordinating between technical departments and field operations, Daniel McNulty maintains consistent quality standards for all land development initiatives. The Chief Operating Officer monitors resource allocation to ensure that every project remains within scope and budget constraints. Ultimately, McNulty optimizes the firm's operational capacity, allowing the organization to scale effectively while meeting the rigorous demands of the Oil and Gas industry and other critical infrastructure sectors.
    Daniel McNulty

    Brian Wenzel - President

    Brian Wenzel, the President at Atwell, directs the business development and client engagement strategies for the firm's engineering and construction divisions. Overseeing the expansion of the client base in the Real Estate and Land Development markets, the President ensures that the firm remains the preferred partner for complex infrastructure projects. This role involves identifying new market opportunities in the Power and Energy sectors and tailoring service offerings to meet specific client requirements. By leading cross-functional teams, Brian Wenzel drives the pursuit of high-value contracts and fosters strong industry partnerships. The President monitors market shifts to ensure that the firm's service portfolio remains relevant and competitive. Ultimately, Wenzel secures the firm's market presence, driving revenue growth through strategic outreach and the consistent delivery of high-quality consulting and engineering solutions.

    Bill Grandad - President

    Bill Grandad, the President at Atwell, directs the technical excellence and quality assurance programs across all engineering and construction projects. Overseeing the implementation of advanced design standards, the President ensures that the firm's work in the Oil and Gas and Power sectors adheres to the highest safety and regulatory requirements. This role involves mentoring technical staff and promoting a culture of innovation in project design and execution. By refining the firm's engineering methodologies, Bill Grandad improves project outcomes and client satisfaction across all regional operations. The President collaborates with the executive team to integrate new technologies into the firm's service offerings, enhancing the efficiency of land development projects. Ultimately, Grandad maintains the firm's reputation for technical precision, ensuring that all infrastructure solutions meet the complex needs of modern energy and real estate clients.

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    Frequently Asked Questions Regarding Atwell Top Executives and Leadership Team

    Who leads Atwell?
    Atwell is led by Jason Atwell (Chief Executive Officer), along with executives such as Sean McMillen (Chief Financial Officer) and Roderick Petschauer (Chief Financial Officer & Partner).
    Who is part of Atwell’s executive team?
    The executive team of Atwell includes leaders such as Jason Atwell (Chief Executive Officer), Sean McMillen (Chief Financial Officer), Roderick Petschauer (Chief Financial Officer & Partner) and other senior executives.
    How many executives does Atwell have?
    Atwell has 6 executives leading key business areas.
    What roles are included in Atwell’s leadership team?
    The leadership team of Atwell includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Partner, Chief Operating Officer, President.