HOK Executive and Leadership Team

August, 2026

Leadership Overview

HOK has 10 executives leading key functions including strategy, information technology, financial management, operations, and legal oversight.

Driven by a commitment to sustainable design and high-performance architecture, HOK delivers innovative planning and engineering solutions that shape global built environments across diverse sectors like aviation, healthcare, and science.

Leadership Roles at HOK

  • Co-Chief Executive Officer - Eli Hoisington
  • Chief Financial Officer - George Valenti
  • Senior Vice President, Chief Financial Officer - Misty Yanko
  • Senior Vice President & Chief Financial Officer - Terry Paterni
  • Chief Operating Officer - Thomas Robson
  • President - Mei-Hwie Sie
  • President - Carl Galioto
  • Chief Information Officer - John Bartolomi
  • Chief Technology Officer - James Vandezande
  • Chief Legal Officer - Lisa Green
  • Eli Hoisington - Co-Chief Executive Officer

    Eli Hoisington, the Co-Chief Executive Officer at HOK, directs the firm's global design strategy and architectural vision. Overseeing the integration of sustainable practices across all project portfolios, the Co-Chief Executive Officer ensures that every design initiative aligns with rigorous energy reduction targets. Hoisington manages high-level client relationships across North America, Europe, and Asia, fostering growth in the aviation and corporate sectors. By coordinating with the board and other executive leaders, the Co-Chief Executive Officer maintains the firm's reputation for excellence in complex, large-scale developments. Eli Hoisington drives the long-term mission of creating high-performance environments that address modern urban challenges. Through constant evaluation of market trends and design innovation, the Co-Chief Executive Officer secures the firm's competitive position in the global architecture and engineering landscape, ensuring that every project reflects the core values of sustainability and functional design.
    Eli Hoisington

    George Valenti - Chief Financial Officer

    George Valenti, the Chief Financial Officer at HOK, manages the firm's fiscal health and strategic resource allocation. Overseeing global financial planning and analysis, the Chief Financial Officer ensures the stability of operations across all international markets. Valenti directs budgeting processes that support the firm's extensive portfolio of architecture and engineering projects. By monitoring revenue streams and cost structures, the Chief Financial Officer provides the executive team with critical insights for long-term growth and investment decisions. George Valenti drives financial transparency and compliance, maintaining the firm's strong market position in the competitive construction and design industry. This leadership role involves close coordination with the board to optimize capital efficiency and support the firm's commitment to sustainable design initiatives. Through rigorous financial oversight, the Chief Financial Officer secures the resources necessary for the firm to continue delivering high-performance, sustainable built environments for clients worldwide.

    Misty Yanko - Senior Vice President, Chief Financial Officer

    Misty Yanko, the Senior Vice President, Chief Financial Officer at HOK, manages the firm's financial reporting and internal audit functions. Overseeing the accuracy of fiscal data, the Senior Vice President, Chief Financial Officer ensures that all financial operations align with corporate governance standards. Yanko directs the development of financial models that support the firm's expansion into new global markets. By analyzing project profitability and resource utilization, the Senior Vice President, Chief Financial Officer provides the executive team with actionable data to drive business performance. Misty Yanko drives the firm's financial strategy, ensuring that capital is allocated to support the firm's commitment to sustainable design and high-performance architecture. This leadership role involves close collaboration with other financial leaders to maintain the firm's fiscal integrity. Through meticulous financial management, the Senior Vice President, Chief Financial Officer supports the firm's long-term growth and its ability to deliver complex, large-scale projects.
    Misty Yanko

    Terry Paterni - Senior Vice President & Chief Financial Officer

    Terry Paterni, the Senior Vice President & Chief Financial Officer at HOK, oversees the firm's treasury operations and risk management strategies. Managing the firm's liquidity and financial risk, the Senior Vice President & Chief Financial Officer ensures that the organization remains resilient in a volatile global market. Paterni directs the financial planning for major capital projects, ensuring that all investments align with the firm's sustainability goals. By monitoring economic trends, the Senior Vice President & Chief Financial Officer provides strategic guidance to the executive team regarding financial stability and growth. Terry Paterni drives the firm's financial health, ensuring that all business units have the necessary funding to execute high-performance design projects. This leadership role involves constant coordination with the board to ensure fiscal responsibility. Through strategic financial oversight, the Senior Vice President & Chief Financial Officer supports the firm's mission to create sustainable, high-performance built environments across all sectors.

    Thomas Robson - Chief Operating Officer

    Thomas Robson, the Chief Operating Officer at HOK, executes the firm's operational strategy and manages day-to-day business functions. Overseeing the efficiency of project delivery across all global offices, the Chief Operating Officer ensures that design and engineering teams maintain high standards of performance. Robson directs the implementation of operational policies that streamline workflows in the aviation, healthcare, and civic sectors. By coordinating cross-departmental activities, the Chief Operating Officer fosters a culture of collaboration and excellence. Thomas Robson drives the firm's operational scale, ensuring that resources are effectively deployed to meet the demands of complex, large-scale projects. This leadership role involves constant interaction with the executive team to align operational capacity with the firm's strategic growth objectives. Through the optimization of internal processes, the Chief Operating Officer supports the firm's mission to deliver sustainable, high-performance built environments while maintaining profitability and operational agility.

    Mei-Hwie Sie - President

    Mei-Hwie Sie, the President at HOK, leads the firm's regional operations and business development initiatives. Overseeing the growth of the firm's presence in key markets, the President ensures that the firm's design and engineering services meet the specific needs of local clients. Sie directs the expansion of the firm's portfolio in the higher education and science sectors, fostering relationships with institutional partners. By coordinating with other executive leaders, the President aligns regional activities with the firm's global strategy. Mei-Hwie Sie drives the firm's commitment to sustainable design, ensuring that every project reflects the firm's high standards for energy efficiency and carbon reduction. This leadership role involves constant engagement with clients to understand their unique requirements and deliver high-performance built environments. Through strategic leadership, the President supports the firm's mission to create innovative, sustainable spaces that enhance the communities the firm serves.

    Carl Galioto - President

    Carl Galioto, the President at HOK, directs the firm's technical excellence and project delivery standards. Overseeing the quality control processes for the firm's architecture and engineering projects, the President ensures that every design meets the highest levels of performance and sustainability. Galioto manages the firm's technical staff, fostering a culture of innovation and continuous improvement. By collaborating with the executive team, the President aligns technical capabilities with the firm's strategic goals for growth and market impact. Carl Galioto drives the firm's commitment to sustainable design, focusing on reducing embodied carbon and energy use intensity across all project types. This leadership role involves constant interaction with project teams to solve complex design challenges and deliver high-performance built environments. Through technical leadership, the President supports the firm's mission to create sustainable, functional spaces that address the needs of clients in the aviation, commercial, and government sectors.
    Carl Galioto

    John Bartolomi - Chief Information Officer

    John Bartolomi, the Chief Information Officer at HOK, architects the digital infrastructure supporting global design and engineering operations. Managing the firm's enterprise technology stack, the Chief Information Officer ensures seamless collaboration across international offices. Bartolomi implements advanced data security protocols to protect sensitive project information and intellectual property. By optimizing internal communication systems, the Chief Information Officer facilitates efficient workflows for teams working on complex aviation and healthcare projects. John Bartolomi drives the digital transformation agenda, integrating cutting-edge software solutions that enhance design precision and project delivery speed. This leadership role involves constant collaboration with the executive team to align technology investments with the firm's overarching business goals. Through the deployment of scalable cloud solutions, the Chief Information Officer supports the firm's commitment to high-performance built environments, ensuring that all digital assets remain secure, accessible, and optimized for global project requirements.
    John Bartolomi

    James Vandezande - Chief Technology Officer

    James Vandezande, the Chief Technology Officer at HOK, leads the development and implementation of advanced design technologies. Overseeing the integration of Building Information Modeling and other digital design tools, the Chief Technology Officer ensures that the firm remains at the forefront of architectural innovation. Vandezande directs the research and development of new technical solutions that enhance the sustainability and performance of built environments. By collaborating with design teams, the Chief Technology Officer optimizes the use of technology to reduce embodied carbon and energy consumption in project portfolios. James Vandezande drives the firm's technical strategy, ensuring that all design disciplines have access to the most efficient and effective digital platforms. This leadership role involves constant evaluation of emerging technologies to maintain the firm's competitive edge in the global market. Through technical expertise, the Chief Technology Officer supports the firm's commitment to creating high-performance, sustainable architecture.
    James Vandezande
    Lisa Green, the Chief Legal Officer at HOK, directs the firm's legal strategy and compliance framework. Overseeing all contractual agreements and risk mitigation efforts, the Chief Legal Officer ensures that the firm operates within the legal requirements of every jurisdiction where the firm maintains a presence. Green manages complex litigation and intellectual property matters, protecting the firm's design innovations and reputation. By providing legal counsel to the executive team, the Chief Legal Officer facilitates the smooth execution of large-scale architecture and engineering projects. Lisa Green drives the firm's commitment to ethical business practices, ensuring that all operations align with the firm's core values. This leadership role involves constant collaboration with project teams to navigate regulatory challenges in the global market. Through proactive legal management, the Chief Legal Officer supports the firm's mission to deliver sustainable, high-performance built environments while minimizing risk and ensuring long-term stability.
    Lisa Green

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    Frequently Asked Questions Regarding HOK Top Executives and Leadership Team

    Who leads HOK?
    HOK is led by Eli Hoisington (Co-Chief Executive Officer), along with executives such as George Valenti (Chief Financial Officer) and Misty Yanko (Senior Vice President, Chief Financial Officer).
    Who is part of HOK’s executive team?
    The executive team of HOK includes leaders such as Eli Hoisington (Co-Chief Executive Officer), George Valenti (Chief Financial Officer), Misty Yanko (Senior Vice President, Chief Financial Officer) and other senior executives.
    How many executives does HOK have?
    HOK has 10 executives leading key business areas.
    What roles are included in HOK’s leadership team?
    The leadership team of HOK includes roles such as Co-Chief Executive Officer, Chief Financial Officer, Senior Vice President, Chief Financial Officer, Senior Vice President & Chief Financial Officer, Chief Operating Officer.