Salas O'Brien Executive and Leadership Team

May, 2026

Leadership Overview

Salas O'Brien has 9 executives leading key functions including strategy, finance, human resources, and operations.

Driven by a commitment to client success, Salas O'Brien delivers comprehensive facility planning, design, construction management, and commissioning services nationwide, shaping the built environment with expertise and innovation.

Leadership Roles at Salas O'Brien

  • Principal. Chief Executive Officer - Jeff Urlaub
  • Chief Financial Officer - Diane Mazzadra
  • Chief Financial Officer & Secretary Treasurer - Shawn Lambacher
  • President - Gabriel Reisner
  • President - Jeffrey Overmyer
  • President - Marks Attwood
  • President - Marilyn Povodator
  • Chief Human Resources Officer - Diane Blevins
  • Associate Vice President - Joshua Williams
  • Jeff Urlaub - Principal. Chief Executive Officer

    Jeff Urlaub, the Principal. Chief Executive Officer at Salas O'Brien, directs the overarching strategic vision and operational execution for the firm. Urlaub guides the company's expansion and market positioning, ensuring alignment with its core mission of delivering integrated facility solutions. This leadership role involves fostering a culture of innovation and client-centricity across all national offices. By optimizing resource allocation and driving key business development initiatives, Jeff Urlaub directly impacts the company's sustained growth and industry leadership. The Chief Executive Officer's focus remains on enhancing the firm's capabilities in facility planning, design, construction management, and commissioning, thereby solidifying its reputation for excellence nationwide.

    Diane Mazzadra - Chief Financial Officer

    Diane Mazzadra, the Chief Financial Officer at Salas O'Brien, directs all financial operations and strategic fiscal planning for the organization. Mazzadra oversees budgeting, forecasting, and financial reporting, ensuring the company's fiscal health and stability across its national presence. This critical role involves managing investments, optimizing capital structure, and mitigating financial risks. By implementing robust financial controls and driving efficient resource management, Diane Mazzadra directly supports the firm's ambitious growth objectives and its ability to undertake large-scale facility projects. The Chief Financial Officer's expertise is essential for maintaining profitability and enabling strategic expansion in the competitive construction and design market.

    Shawn Lambacher - Chief Financial Officer & Secretary Treasurer

    Shawn Lambacher, the Chief Financial Officer & Secretary Treasurer at Salas O'Brien, holds dual responsibility for the company's financial strategy and corporate governance. Lambacher manages the financial health of the organization, overseeing all accounting functions, treasury operations, and financial reporting to stakeholders. As Secretary Treasurer, this executive ensures compliance with corporate regulations and manages board communications. By providing strategic financial insights and maintaining rigorous fiscal discipline, Shawn Lambacher directly supports the firm's operational integrity and its capacity for nationwide service delivery. The combined role ensures robust financial oversight and adherence to legal and fiduciary duties, critical for sustained business success.

    Gabriel Reisner - President

    Gabriel Reisner, the President at Salas O'Brien, drives strategic initiatives and operational excellence within key market segments. Reisner focuses on expanding the firm's service offerings in facility planning and design, ensuring client needs are met with innovative solutions. This leadership position involves fostering strong client relationships and overseeing the execution of major projects nationwide. By championing best practices in construction management and commissioning, Gabriel Reisner directly contributes to the company's reputation for quality and reliability. The President's vision guides teams in delivering integrated solutions that enhance building performance and operational efficiency for clients across various industries.

    Jeffrey Overmyer - President

    Jeffrey Overmyer, the President at Salas O'Brien, spearheads business development and strategic growth in critical geographic regions. Overmyer focuses on expanding the firm's footprint in facility design and construction management, identifying new opportunities and strengthening market presence. This executive role involves cultivating key partnerships and ensuring the successful delivery of complex projects. By driving operational efficiency and client satisfaction, Jeffrey Overmyer directly enhances the company's competitive advantage and its ability to serve a diverse national client base. The President's leadership ensures that Salas O'Brien continues to innovate and provide comprehensive solutions in the built environment.

    Marks Attwood - President

    Marks Attwood, the President at Salas O'Brien, directs strategic operations and client engagement for major accounts. Attwood oversees the integration of facility planning, design, and construction management services, ensuring seamless project execution nationwide. This leadership role emphasizes fostering innovation and maintaining the highest standards of service delivery. By optimizing project workflows and enhancing team collaboration, Marks Attwood directly contributes to the firm's success in delivering complex, high-value projects. The President's focus remains on strengthening client relationships and expanding the company's capabilities in commissioning and sustainable design solutions.

    Marilyn Povodator - President

    Marilyn Povodator, the President at Salas O'Brien, leads strategic market expansion and operational oversight for key business units. Povodator drives the firm's commitment to excellence in facility planning, design, and construction management across its national network. This executive position involves cultivating strategic alliances and ensuring the successful delivery of comprehensive project solutions. By championing client-focused strategies and fostering a culture of continuous improvement, Marilyn Povodator directly enhances the company's market position and its ability to meet evolving industry demands. The President's leadership ensures Salas O'Brien remains at the forefront of providing integrated services for the built environment.
    Marilyn Povodator

    Diane Blevins - Chief Human Resources Officer

    Diane Blevins, the Chief Human Resources Officer at Salas O'Brien, leads all human capital strategies and organizational development initiatives. Blevins oversees talent acquisition, employee relations, compensation and benefits, and performance management across the company's national offices. This role is pivotal in cultivating a high-performing work environment that supports the firm's mission of delivering exceptional facility planning and design services. By championing employee engagement and fostering professional growth, Diane Blevins directly contributes to the retention of top talent and the overall success of project teams. The Chief Human Resources Officer ensures that Salas O'Brien remains an employer of choice, attracting and developing the skilled professionals essential for its operations.

    Joshua Williams - Associate Vice President

    Joshua Williams, the Associate Vice President at Salas O'Brien, manages critical operational aspects that support the firm's nationwide project delivery. Williams oversees specific functional areas, ensuring seamless integration between design, construction management, and commissioning services. This role involves close collaboration with project teams to maintain high standards of quality and efficiency. By implementing best practices in project execution, Joshua Williams contributes to the successful completion of complex facility projects. The Associate Vice President's responsibilities extend to optimizing workflows and enhancing team performance, directly supporting the company's commitment to client satisfaction and operational excellence across all its offices.

    Explore Leadership Teams in Architecture, Engineering & Design

    Frequently Asked Questions Regarding Salas O'Brien Top Executives and Leadership Team

    Who leads Salas O'Brien?
    Salas O'Brien is led by Jeff Urlaub (Principal. Chief Executive Officer), along with executives such as Diane Mazzadra (Chief Financial Officer) and Shawn Lambacher (Chief Financial Officer & Secretary Treasurer).
    Who is part of Salas O'Brien’s executive team?
    The executive team of Salas O'Brien includes leaders such as Jeff Urlaub (Principal. Chief Executive Officer), Diane Mazzadra (Chief Financial Officer), Shawn Lambacher (Chief Financial Officer & Secretary Treasurer) and other senior executives.
    How many executives does Salas O'Brien have?
    Salas O'Brien has 9 executives leading key business areas.
    What roles are included in Salas O'Brien’s leadership team?
    The leadership team of Salas O'Brien includes roles such as Principal. Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Secretary Treasurer, President, President.