BL Harbert International Executive and Leadership Team

July, 2026

Leadership Overview

BL Harbert International has 5 executives leading key functions including strategy, information technology, operations, human resources, and regional operations.

Driven by a commitment to excellence, BL Harbert International is a diversified construction company recognized as a leader in sustainable construction and a top design-builder, impacting projects across the U.S. and abroad.

Leadership Roles at BL Harbert International

  • Chairman & Chief Executive Officer - Billy Harbert
  • Chief Operating Officer, Business Operations - James Stewart
  • Group President (US) - Johnny Garlington
  • Chief Information Officer - Jake Schillaci
  • Drh - Mamour Diallo
  • Billy Harbert - Chairman & Chief Executive Officer

    Billy Harbert, the Chairman & Chief Executive Officer at BL Harbert International, directs the company's overall strategic vision and operational execution. This leadership role involves guiding the firm's expansion and maintaining its influence as one of the country's most respected contractors. Billy Harbert ensures adherence to the highest standards of sustainable construction and design-build practices, aligning all business units with the company's core mission. The Chairman & Chief Executive Officer oversees major corporate initiatives, fostering innovation and driving growth across domestic and international markets. This position demands a comprehensive understanding of the construction industry's complexities, market dynamics, and client needs, ensuring BL Harbert International remains at the forefront of the sector. Billy Harbert's leadership solidifies the company's reputation for quality and reliability in every project undertaken.

    James Stewart - Chief Operating Officer, Business Operations

    James Stewart, the Chief Operating Officer, Business Operations at BL Harbert International, directs the day-to-day operational activities that underpin the company's diverse construction projects. This executive ensures the efficient execution of business processes, resource allocation, and project delivery across all markets. James Stewart's oversight is crucial for maintaining BL Harbert International's reputation as an influential contractor and a leader in sustainable construction. The Chief Operating Officer, Business Operations focuses on optimizing workflows, enhancing productivity, and ensuring compliance with industry standards and safety regulations. Stewart's leadership drives operational excellence, supporting the company's role as a top design-builder. By managing critical business functions, James Stewart directly contributes to the successful completion of projects both domestically and internationally, reinforcing the firm's commitment to quality and client satisfaction.
    James Stewart

    Johnny Garlington - Group President (US)

    Johnny Garlington, the Group President (US) at BL Harbert International, spearheads the company's operations and strategic initiatives within the United States. This leadership position is key to maintaining BL Harbert International's influence as a premier contractor and a leader in sustainable construction. Johnny Garlington oversees a portfolio of projects, driving performance and ensuring alignment with the company's overall mission and values. The Group President (US) focuses on market penetration, client relationships, and operational efficiency across domestic projects. Garlington's role is instrumental in reinforcing BL Harbert International's capabilities as a top design-builder. By directing U.S. operations, Johnny Garlington ensures the consistent delivery of high-quality construction services and contributes significantly to the company's growth and reputation.

    Jake Schillaci - Chief Information Officer

    Jake Schillaci, the Chief Information Officer at BL Harbert International, architects the company's technology strategy and digital infrastructure. This role is critical for enhancing operational efficiency and supporting the firm's position as a leader in sustainable construction. Jake Schillaci oversees the implementation of advanced IT solutions that streamline project management, improve data security, and facilitate seamless communication across domestic and international operations. The Chief Information Officer ensures that technology investments directly support BL Harbert International's business objectives, including its top-tier design-build capabilities. By driving digital transformation, Schillaci empowers teams with the tools needed to execute complex projects effectively and maintain a competitive edge. Jake Schillaci's focus on innovation in information systems reinforces the company's commitment to modern construction practices.
    Jake Schillaci

    Mamour Diallo - Drh

    Mamour Diallo, the Drh at BL Harbert International, leads the human resources function, ensuring the company cultivates a skilled and motivated workforce. This role is vital for supporting BL Harbert International's operations and its standing as a diversified construction company. Mamour Diallo oversees talent acquisition, employee development, and HR policy implementation, aligning human capital strategies with the firm's business objectives. The Drh ensures that the company attracts and retains top talent necessary for its leadership in sustainable construction and design-build initiatives. Diallo's efforts foster a positive and productive work environment, crucial for the successful execution of complex projects. Mamour Diallo's strategic approach to human resources management strengthens the organizational capacity required for BL Harbert International's continued success in the U.S. and abroad.

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    Frequently Asked Questions Regarding BL Harbert International Top Executives and Leadership Team

    Who leads BL Harbert International?
    BL Harbert International is led by Billy Harbert (Chairman & Chief Executive Officer), along with executives such as James Stewart (Chief Operating Officer, Business Operations) and Johnny Garlington (Group President (US)).
    Who is part of BL Harbert International’s executive team?
    The executive team of BL Harbert International includes leaders such as Billy Harbert (Chairman & Chief Executive Officer), James Stewart (Chief Operating Officer, Business Operations), Johnny Garlington (Group President (US)) and other senior executives.
    How many executives does BL Harbert International have?
    BL Harbert International has 5 executives leading key business areas.
    What roles are included in BL Harbert International’s leadership team?
    The leadership team of BL Harbert International includes roles such as Chairman & Chief Executive Officer, Chief Operating Officer, Business Operations, Group President (US), Chief Information Officer, Drh.