Manhattan Construction Executive and Leadership Team

August, 2026

Leadership Overview

Manhattan Construction has 7 executives leading key functions including human resources, corporate strategy, and regional construction operations.

Committed to excellence in building, Manhattan Construction delivers comprehensive preconstruction and design-build services while maintaining a legacy of quality across diverse infrastructure projects throughout the United States.

Leadership Roles at Manhattan Construction

  • President - John Reyhan
  • President - Dawn Erne
  • President - Larry Rooney
  • President - Kendall Adams
  • President - Bob Koenig
  • Oklahoma Division President - John Snyder
  • Chief Human Resources Officer - GlenNel Barlow
  • John Reyhan - President

    John Reyhan, the President at Manhattan Construction, directs the overarching corporate strategy and business development efforts. Overseeing national market expansion, the President ensures the firm maintains a competitive edge in the general building sector. This leadership role involves coordinating with the Board to define long-term growth objectives and capital allocation. By streamlining project delivery models, John Reyhan directly impacts the profitability and reputation of the company. Furthermore, Reyhan manages high-level client relationships and secures major contracts for complex infrastructure developments. Through rigorous oversight of operational performance, the President guarantees that every project meets the high standards established by the firm since 1896. Ultimately, Reyhan drives the strategic vision of the organization, ensuring that the company remains a leader in the construction management industry while navigating the evolving demands of the modern built environment.
    John Reyhan

    Dawn Erne - President

    Dawn Erne, the President at Manhattan Construction, directs the internal operational workflows and project management systems. Overseeing the integration of design-build services, the President ensures that technical teams execute projects with precision and efficiency. This leadership role involves managing cross-functional collaboration between engineering departments and field operations. By implementing advanced construction management software, Dawn Erne directly impacts the accuracy of project timelines and budget adherence. Furthermore, Erne monitors quality control standards across all active job sites to ensure compliance with safety regulations. Through the optimization of supply chain logistics, the President reduces waste and enhances the overall value delivered to clients. Ultimately, Erne strengthens the operational foundation of the firm, allowing the company to scale its capabilities while maintaining the rigorous quality benchmarks required for large-scale commercial and institutional building projects.

    Larry Rooney - President

    Larry Rooney, the President at Manhattan Construction, directs the firm's commitment to community engagement and sustainable building practices. Overseeing regional partnerships, the President ensures that the company maintains strong ties with local stakeholders and industry regulators. This leadership role involves championing environmental initiatives and incorporating green building technologies into the firm's service offerings. By fostering a culture of corporate responsibility, Larry Rooney directly impacts the brand's reputation and long-term market viability. Furthermore, Rooney manages the strategic allocation of resources to support philanthropic efforts and community development projects. Through the promotion of sustainable construction methods, the President aligns the company's growth with modern environmental standards. Ultimately, Rooney secures the firm's position as a trusted partner in the construction industry by balancing commercial success with a deep commitment to the communities where the company operates.

    Kendall Adams - President

    Kendall Adams, the President at Manhattan Construction, directs the financial health and risk management frameworks of the organization. Overseeing fiscal planning, the President ensures that the company maintains a robust balance sheet capable of supporting large-scale capital projects. This leadership role involves evaluating market risks and implementing mitigation strategies to protect the firm's assets. By optimizing financial reporting processes, Kendall Adams directly impacts the transparency and accountability of the executive team. Furthermore, Adams manages relationships with financial institutions and investors to secure the necessary funding for future growth. Through the rigorous analysis of project costs and revenue streams, the President provides the data-driven insights required for informed decision-making. Ultimately, Adams ensures the financial stability of the firm, allowing the company to pursue ambitious construction opportunities while maintaining a disciplined approach to capital management and long-term profitability.

    Bob Koenig - President

    Bob Koenig, the President at Manhattan Construction, directs the technological innovation and digital transformation of the construction process. Overseeing the adoption of Building Information Modeling and advanced project tracking tools, the President ensures that the firm remains at the forefront of industry technology. This leadership role involves identifying emerging trends that improve site safety and construction accuracy. By integrating digital solutions into the preconstruction phase, Bob Koenig directly impacts the efficiency of project planning and execution. Furthermore, Koenig manages the IT infrastructure and cybersecurity protocols necessary to protect sensitive project data. Through the implementation of data-driven analytics, the President enhances the firm's ability to predict project outcomes and optimize resource allocation. Ultimately, Koenig drives the modernization of the company, ensuring that the firm leverages cutting-edge technology to deliver superior results in an increasingly complex and digital-first construction market.

    John Snyder - Oklahoma Division President

    John Snyder, the Oklahoma Division President at Manhattan Construction, directs all regional operations and project delivery within the home state. Overseeing the Tulsa-based teams, the Oklahoma Division President ensures that local projects adhere to the company's high standards of quality and safety. This leadership role involves managing relationships with local subcontractors and regional clients to ensure seamless project execution. By focusing on the specific needs of the Oklahoma market, John Snyder directly impacts the firm's regional market share and client satisfaction. Furthermore, Snyder coordinates with corporate leadership to align regional activities with the broader national strategy. Through the effective management of local resources and personnel, the Oklahoma Division President maintains the firm's reputation as a premier builder in the region. Ultimately, Snyder secures the company's legacy in its founding state by delivering exceptional construction services that meet the unique demands of the local landscape.

    GlenNel Barlow - Chief Human Resources Officer

    GlenNel Barlow, the Chief Human Resources Officer at Manhattan Construction, directs all talent acquisition and organizational development initiatives. Overseeing workforce planning, the Chief Human Resources Officer ensures alignment between human capital strategies and the complex demands of large-scale construction projects. This leadership role involves cultivating a high-performance culture through robust training programs and safety compliance protocols. By optimizing recruitment pipelines and employee retention, GlenNel Barlow directly impacts the operational efficiency of the firm. Furthermore, Barlow manages internal communications and benefits administration to support a diverse workforce across multiple regional offices. Through strategic oversight of personnel policies, the Chief Human Resources Officer maintains the professional standards necessary for delivering complex building solutions. Ultimately, Barlow secures the long-term stability of the organization by fostering an environment that attracts top-tier industry talent and promotes continuous professional growth for every team member.

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    Frequently Asked Questions Regarding Manhattan Construction Top Executives and Leadership Team

    Who leads Manhattan Construction?
    Manhattan Construction is led by John Reyhan (President), along with executives such as Dawn Erne (President) and Larry Rooney (President).
    Who is part of Manhattan Construction’s executive team?
    The executive team of Manhattan Construction includes leaders such as John Reyhan (President), Dawn Erne (President), Larry Rooney (President) and other senior executives.
    How many executives does Manhattan Construction have?
    Manhattan Construction has 7 executives leading key business areas.
    What roles are included in Manhattan Construction’s leadership team?
    The leadership team of Manhattan Construction includes roles such as President, President, President, President, President.