DLZ Executive and Leadership Team

October, 2026

Leadership Overview

DLZ has 6 executives leading key functions including strategy, financial oversight, operational management, regional development, and engineering excellence.

Committed to delivering comprehensive infrastructure solutions, DLZ maintains a rigorous focus on architectural precision and engineering innovation to support complex construction projects across the United States.

Leadership Roles at DLZ

  • Chief Executive Officer - Daniel Dalzochio
  • Chief Financial Officer - Nathan Zamero
  • President - Gregory Brumm
  • V. President - James Siebert
  • President, DLZ Indiana, LLC - Brian Glaze
  • President, DLZ Ohio, Inc. - Robert Kirkley
  • Daniel Dalzochio - Chief Executive Officer

    Daniel Dalzochio, the Chief Executive Officer at DLZ, directs the overarching strategic vision for the firm. Overseeing long-term growth initiatives, the Chief Executive Officer ensures alignment between architectural consulting services and evolving market demands. This leadership role involves managing high-level client relationships and fostering a culture of technical excellence across all engineering departments. By prioritizing sustainable infrastructure development, Dalzochio drives the company toward expanded market influence. The Chief Executive Officer maintains constant communication with the Board to refine operational goals and secure competitive advantages within the construction industry. Through the implementation of advanced project management frameworks, the Chief Executive Officer optimizes resource allocation across diverse regional portfolios. Ultimately, Dalzochio secures the firm's reputation for quality and reliability in complex surveying and design projects, ensuring consistent value delivery for every stakeholder involved in the architectural lifecycle.

    Nathan Zamero - Chief Financial Officer

    Nathan Zamero, the Chief Financial Officer at DLZ, manages the fiscal health and capital allocation strategies for the organization. Overseeing financial reporting, budgeting, and risk management, the Chief Financial Officer ensures the firm maintains a robust balance sheet to support large-scale engineering ventures. This leadership role involves analyzing market trends to inform investment decisions and optimizing cash flow across various consulting divisions. By implementing rigorous financial controls, Zamero drives operational efficiency and supports the company's commitment to architectural innovation. The Chief Financial Officer collaborates with executive leadership to evaluate the profitability of regional projects and long-term infrastructure contracts. Through precise financial forecasting, the Chief Financial Officer mitigates economic risks associated with the construction industry. Ultimately, Zamero secures the financial stability required for sustained growth, ensuring the firm possesses the necessary resources to execute complex surveying and design projects with consistent fiscal discipline.
    Nathan Zamero

    Gregory Brumm - President

    Gregory Brumm, the President at DLZ, directs the daily operational activities and project execution standards across the firm. Overseeing the integration of architectural and engineering workflows, the President ensures that all consulting services meet stringent quality benchmarks. This leadership role involves coordinating cross-functional teams to deliver complex infrastructure solutions on time and within budget. By fostering collaboration between surveying and design departments, Brumm drives operational excellence and project success. The President monitors performance metrics to identify opportunities for process improvement and service expansion. Through active engagement with project managers, the President maintains high standards of technical accuracy in every construction initiative. Ultimately, Brumm secures the firm's operational efficiency, ensuring that the organization remains a leader in the architectural and engineering industry by consistently delivering high-quality results for clients across diverse regional markets.

    James Siebert - V. President

    James Siebert, the V. President at DLZ, manages specialized engineering initiatives and technical service delivery. Overseeing the implementation of advanced surveying technologies, the V. President ensures that the firm remains at the forefront of architectural innovation. This leadership role involves supervising technical staff and ensuring compliance with industry regulations across all construction projects. By streamlining engineering processes, Siebert drives productivity and enhances the quality of design outputs. The V. President collaborates with other executives to align technical capabilities with client needs and market opportunities. Through the application of rigorous quality assurance protocols, the V. President maintains the firm's reputation for precision in complex infrastructure development. Ultimately, Siebert secures the technical integrity of the organization, ensuring that every project benefits from cutting-edge engineering solutions and meticulous attention to detail, thereby supporting the firm's broader mission of delivering superior architectural and surveying services.

    Brian Glaze - President, DLZ Indiana, LLC

    Brian Glaze, the President, DLZ Indiana, LLC at DLZ, directs all regional operations and business development efforts within the Indiana market. Overseeing local project portfolios, the President, DLZ Indiana, LLC ensures that architectural and engineering services meet the specific needs of regional clients. This leadership role involves managing local staff, fostering community partnerships, and driving revenue growth through strategic infrastructure projects. By tailoring the firm's consulting expertise to regional requirements, Glaze drives market penetration and strengthens the company's presence in the Midwest. The President, DLZ Indiana, LLC collaborates with corporate leadership to ensure that regional activities align with the firm's national standards for quality and safety. Through proactive client engagement, the President, DLZ Indiana, LLC secures long-term contracts and maintains high levels of service satisfaction. Ultimately, Glaze secures the firm's competitive position in the region, ensuring consistent delivery of high-impact construction and design solutions.
    Brian Glaze

    Robert Kirkley - President, DLZ Ohio, Inc.

    Robert Kirkley, the President, DLZ Ohio, Inc. at DLZ, directs the strategic operations and service delivery for the Ohio market. Overseeing a diverse range of architectural and surveying projects, the President, DLZ Ohio, Inc. ensures that regional teams maintain the highest standards of engineering excellence. This leadership role involves managing local resources, overseeing project timelines, and driving business development to expand the firm's footprint in the state. By focusing on operational efficiency and client-centric solutions, Kirkley drives growth and reinforces the company's reputation for reliability. The President, DLZ Ohio, Inc. coordinates with executive leadership to implement corporate initiatives while addressing the unique demands of the Ohio infrastructure landscape. Through effective team management, the President, DLZ Ohio, Inc. ensures that all regional projects achieve technical success and client satisfaction. Ultimately, Kirkley secures the firm's market leadership in Ohio, delivering high-quality consulting services that support critical construction and development goals.

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    Frequently Asked Questions Regarding DLZ Top Executives and Leadership Team

    Who leads DLZ?
    DLZ is led by Daniel Dalzochio (Chief Executive Officer), along with executives such as Nathan Zamero (Chief Financial Officer) and Gregory Brumm (President).
    Who is part of DLZ’s executive team?
    The executive team of DLZ includes leaders such as Daniel Dalzochio (Chief Executive Officer), Nathan Zamero (Chief Financial Officer), Gregory Brumm (President) and other senior executives.
    How many executives does DLZ have?
    DLZ has 6 executives leading key business areas.
    What roles are included in DLZ’s leadership team?
    The leadership team of DLZ includes roles such as Chief Executive Officer, Chief Financial Officer, President, V. President, President, DLZ Indiana, LLC.