HOK Executive and Leadership Team

Susan Williams, the Co-Chief Executive Officer At HOK, directs the overarching strategic vision for the global design and architecture firm. Williams manages the firm's expansion across North America, Europe, and Asia, ensuring that all design disciplines align with the core mission of sustainable development. By coordinating with the board and senior leadership, the Co-Chief Executive Officer At HOK drives high-performance outcomes in complex sectors like aviation and healthcare. Susan Williams maintains a focus on reducing embodied carbon across the entire project portfolio, positioning the firm as a leader in environmental responsibility. This executive role involves balancing long-term growth objectives with the immediate needs of diverse global clients. Through rigorous oversight of international operations, Williams secures the firm's market position while fostering a culture of innovation and excellence in every architectural and engineering endeavor undertaken by the organization.

Robert Pratzel, the Chief Financial Officer at HOK, directs the financial strategy and fiscal health of the global architecture and engineering firm. Pratzel manages capital allocation, budgeting, and long-term financial planning to support the firm's commitment to sustainable design and innovation. By overseeing the financial performance of diverse sectors such as science, technology, and higher education, the Chief Financial Officer ensures that the firm maintains the resources necessary for global expansion. Robert Pratzel drives fiscal accountability by implementing rigorous reporting standards and risk management frameworks across all regional offices. This leadership role involves close collaboration with the executive team to align financial goals with the firm's strategic vision for reducing energy use intensity. Through the management of complex financial portfolios, Pratzel secures the stability required to pursue ambitious, high-performance projects. The Chief Financial Officer provides the economic foundation that allows the firm to continue delivering world-class design solutions.

Misty Yanko, the Senior Vice President, Chief Financial Officer at HOK, manages the financial operations and reporting structures for the firm's North American and international project portfolios. Yanko oversees the fiscal oversight of large-scale commercial and mixed-use developments, ensuring that financial performance aligns with the firm's sustainability objectives. By analyzing market trends and project profitability, the Senior Vice President, Chief Financial Officer drives the economic strategy that supports the firm's global design initiatives. Misty Yanko coordinates with project directors to optimize budget management and resource distribution, ensuring that every project contributes to the firm's long-term growth. This leadership role involves maintaining financial transparency and compliance across all regional operations. Through the implementation of efficient financial controls, Yanko supports the firm's ability to deliver high-performance, sustainable built environments. The Senior Vice President, Chief Financial Officer provides the analytical insights necessary to navigate the complexities of the global architecture and engineering market.

Terry Paterni, the Senior Vice President & Chief Financial Officer at HOK, directs the financial planning and analysis for the firm's specialized sectors, including aviation and federal government projects. Paterni manages the financial health of these high-stakes divisions, ensuring that project delivery remains consistent with the firm's commitment to reducing energy use intensity. By overseeing the financial aspects of complex infrastructure contracts, the Senior Vice President & Chief Financial Officer drives the profitability and sustainability of the firm's most significant projects. Terry Paterni coordinates with the executive team to ensure that financial resources are effectively allocated to support innovation in design and engineering. This leadership role involves managing the fiscal risks associated with large-scale international operations. Through the application of strategic financial oversight, Paterni supports the firm's mission to create high-performance built environments. The Senior Vice President & Chief Financial Officer ensures that the firm maintains the financial strength to lead in the global architecture industry.

Thomas Robson, the Chief Operating Officer at HOK, executes the daily business functions that sustain the firm's global design and planning operations. Robson manages the allocation of resources across diverse sectors, including sports, recreation, and civic justice projects. By streamlining internal workflows and project delivery processes, the Chief Operating Officer ensures that the firm meets rigorous sustainability standards while maintaining profitability. Thomas Robson drives operational excellence by coordinating between regional offices to optimize staffing and project management capabilities. This leadership role involves monitoring project lifecycles to ensure that every design discipline, from landscape architecture to engineering, adheres to the firm's high-performance benchmarks. Through the implementation of efficient management practices, Robson supports the firm's ability to handle large-scale international projects. By focusing on operational scalability, the Chief Operating Officer maintains the firm's reputation for delivering complex, high-impact structures on time and within budget.

Carl Galioto, the President at HOK, directs the firm's design excellence and technical delivery across its global project portfolio. Galioto oversees the integration of sustainable design practices into the firm's core architectural and engineering services. By leading the development of high-performance building strategies, the President ensures that the firm remains a leader in reducing embodied carbon and energy use intensity. Carl Galioto drives the firm's commitment to innovation by fostering collaboration between design disciplines and project teams. This leadership role involves setting the strategic direction for the firm's design philosophy and ensuring that all projects meet the highest standards of quality and sustainability. Through the oversight of technical standards and design processes, Galioto supports the firm's ability to deliver complex, world-class structures. The President provides the vision and leadership necessary to maintain the firm's position as a premier global architecture and engineering firm dedicated to creating sustainable built environments.

Mei-Hwie Sie, the President at HOK, manages the firm's strategic growth and market expansion within the global architecture and planning sectors. Sie oversees the development of new business opportunities and the strengthening of client relationships across diverse industries, including corporate and commercial sectors. By driving the firm's market presence, the President ensures that the organization continues to secure high-profile projects that align with its mission of sustainable design. Mei-Hwie Sie coordinates with regional leaders to tailor the firm's design and engineering services to the specific needs of local and international markets. This leadership role involves balancing the firm's commitment to design excellence with the practical requirements of business development and client satisfaction. Through the strategic management of market initiatives, Sie supports the firm's ability to deliver high-performance, sustainable built environments. The President provides the leadership necessary to sustain the firm's growth and influence in the global design industry.

John Bartolomi, the Chief Information Officer at HOK, architects the digital infrastructure necessary to support a global network of design and engineering professionals. Bartolomi oversees the integration of advanced data systems that facilitate seamless collaboration across international offices. By implementing robust cybersecurity protocols and scalable cloud solutions, the Chief Information Officer ensures that sensitive project data remains secure while remaining accessible to teams working on complex infrastructure projects. John Bartolomi drives the digital transformation of the firm, enabling architects and planners to utilize cutting-edge software for sustainable design and energy modeling. This leadership role requires constant alignment with the firm's broader technological goals to maintain a competitive edge in the global market. Through the optimization of internal communication platforms and data management systems, Bartolomi supports the operational efficiency required to deliver high-performance built environments for clients in the public and private sectors.

James Vandezande, the Chief Technology Officer at HOK, architects the technical frameworks that empower the firm's design and engineering teams to innovate. Vandezande oversees the adoption of advanced building information modeling and design automation tools that enhance project precision and sustainability. By driving the integration of new technologies into the design process, the Chief Technology Officer ensures that the firm remains at the forefront of the industry. James Vandezande manages the research and development of digital solutions that reduce embodied carbon and improve energy efficiency in the built environment. This leadership role involves collaborating with project leads to implement specialized software that supports complex architectural and engineering requirements. Through the strategic deployment of technical resources, Vandezande enables the firm to deliver high-performance projects across global markets. By fostering a culture of technological advancement, the Chief Technology Officer ensures that the firm consistently meets the evolving needs of its diverse client base.

Lisa Green, the Chief Legal Officer at HOK, directs the legal strategy and risk management framework for the global design and engineering firm. Green oversees all contractual agreements, regulatory compliance, and intellectual property matters across the firm's international network. By providing legal guidance on complex projects in sectors like healthcare and higher education, the Chief Legal Officer ensures that the firm operates within the highest standards of professional ethics and safety. Lisa Green drives the mitigation of legal risks associated with global operations, protecting the firm's interests while enabling the pursuit of innovative design solutions. This leadership role involves collaborating with the executive team to navigate the legal complexities of sustainable design and environmental regulations. Through the management of legal affairs, Green supports the firm's ability to deliver high-performance projects worldwide. The Chief Legal Officer provides the essential legal foundation that allows the firm to maintain its reputation for excellence and integrity.