OHM Advisors Executive and Leadership Team

July, 2026

Leadership Overview

OHM Advisors has 4 executives leading key functions including strategy, finance, operations, and administration.

Driven by a commitment to excellence, OHM Advisors shapes communities through comprehensive architectural and engineering services, fostering innovation and sustainable development across its practice areas.

Leadership Roles at OHM Advisors

  • President & Chief Executive Officer - Jonathan Kramer
  • Chief Financial Officer - Nathaniel Cook
  • Chief Operating Officer - Kent Early
  • Chief Administrative Officer - Gregory Kacvinsky
  • Jonathan Kramer - President & Chief Executive Officer

    Jonathan Kramer, the President & Chief Executive Officer at OHM Advisors, directs the firm's overarching strategy and vision. Overseeing all major business units, Kramer ensures alignment with the company's mission to deliver exceptional architecture and engineering solutions. This leadership role involves driving growth across all practice areas, including Construction Engineering, GIS, Landscape Architecture & Urban Design, and Water services. By fostering a culture of collaboration and innovation, Jonathan Kramer guides the firm's expansion and market positioning. The President & Chief Executive Officer's strategic decisions directly impact the company's ability to serve clients effectively and maintain its leadership in the industry. Kramer's focus remains on enhancing the firm's capabilities and client relationships, ensuring sustained success and development.

    Nathaniel Cook - Chief Financial Officer

    Nathaniel Cook, the Chief Financial Officer at OHM Advisors, manages the company's financial health and strategic fiscal planning. Overseeing all financial operations, Cook ensures robust accounting practices and drives profitability across the firm's diverse service offerings. This critical role involves managing budgets, forecasting financial performance, and optimizing resource allocation for projects spanning Construction Engineering, Mechanical, Electrical & Plumbing Engineering, and Transportation. By implementing sound financial controls and identifying investment opportunities, Nathaniel Cook supports the firm's long-term stability and growth objectives. The Chief Financial Officer's expertise is vital in navigating market dynamics and ensuring the financial integrity of OHM Advisors' operations. Cook's leadership ensures that financial strategies directly contribute to the company's mission of shaping communities.

    Kent Early - Chief Operating Officer

    Kent Early, the Chief Operating Officer at OHM Advisors, directs the firm's operational efficiency and service delivery excellence. Overseeing day-to-day business activities, Early ensures seamless execution across all practice areas, from Municipal Engineering to Surveying and Water services. This leadership position involves optimizing project management methodologies, enhancing team productivity, and maintaining high standards of quality in all architectural and engineering outputs. By streamlining processes and fostering operational synergy, Kent Early supports the firm's capacity to undertake complex projects and meet client demands effectively. The Chief Operating Officer's strategic oversight is fundamental to the company's ability to deliver innovative solutions and maintain its reputation for reliability. Early's focus is on driving operational improvements that directly benefit client outcomes and company performance.

    Gregory Kacvinsky - Chief Administrative Officer

    Gregory Kacvinsky, the Chief Administrative Officer at OHM Advisors, oversees the essential support functions that enable the firm's operational success. Managing human resources, IT infrastructure, and corporate governance, Kacvinsky ensures a well-supported and compliant organizational environment. This role is crucial for attracting and retaining top talent across all disciplines, including architecture, engineering, and planning, and for maintaining robust technological systems. By developing and implementing effective administrative policies, Gregory Kacvinsky enhances organizational efficiency and fosters a positive workplace culture. The Chief Administrative Officer's contributions are integral to the smooth functioning of OHM Advisors, allowing technical teams to focus on delivering exceptional client services. Kacvinsky's leadership ensures that administrative operations directly support the company's strategic goals and mission.

    Explore Leadership Teams in Architecture, Engineering & Design

    Frequently Asked Questions Regarding OHM Advisors Top Executives and Leadership Team

    Who leads OHM Advisors?
    OHM Advisors is led by Jonathan Kramer (President & Chief Executive Officer), along with executives such as Nathaniel Cook (Chief Financial Officer) and Kent Early (Chief Operating Officer).
    Who is part of OHM Advisors’s executive team?
    The executive team of OHM Advisors includes leaders such as Jonathan Kramer (President & Chief Executive Officer), Nathaniel Cook (Chief Financial Officer), Kent Early (Chief Operating Officer) and other senior executives.
    How many executives does OHM Advisors have?
    OHM Advisors has 4 executives leading key business areas.
    What roles are included in OHM Advisors’s leadership team?
    The leadership team of OHM Advisors includes roles such as President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Administrative Officer.