Team Leaders

Great Team Leaders are Teammates First

We approach every project with a true collaborative mentality. Only by adopting a “We, Not I” mindset can we strengthen right partnerships — within our organization and outside of it — to exceed client objectives and strengthen our relationships in the commercial construction industry.

These seasoned leaders are responsible for building and maintaining strong client relationships and for growing capable, reliable teams that improve processes, speed delivery and support all facets of your commercial construction project.

  • Bo Calbert

    Bo Calbert

    Job Title
    President, Southwest Region
    Located in
    Missouri State University
    Bachelor of Science Construction Technology Management
    Pittsburg State University
    Master of Science Construction Management

    Bo Calbert joined McCarthy more than 34 years ago, during which he has worked in four of the company’s divisions in a variety of positions, quickly ascending through the ranks thanks to his leadership skills and in-depth knowledge of construction and business acumen. Over the past decade, Bo’s leadership of the Southwest has entailed expanding the company’s geographic footprint beyond Arizona and into Nevada, New Mexico and Colorado, as well as developing new and existing market sectors. Most recently, he has been instrumental in the guided growth national business teams in solar and renewable energy, water/wastewater treatment and infrastructure. In addition, he is actively involved with McCarthy's workforce development initiative.

    Bo’s personal experience as a builder spans across more than 10 states in multiple industries, including healthcare, water/wastewater, hospitality, office and public works. His range of experience, combined with the varied market needs have served as a foundation for establishing the Southwest Region's diverse business services and earned McCarthy Southwest recognition as 2014 Contractor of the Year by Engineering News Record Southwest.

    Outside of McCarthy, Bo is actively engaged in the community and industry, serving as an advisory board member for the Alliance for Construction Excellence and to the president of Scottsdale Community College. He is a board member of the Arizona Chamber of Commerce and also serves as member of Greater Phoenix Leadership and the Associated General Contractors’ Project Delivery Committee.

  • Justin Kelton

    Justin Kelton

    Job Title
    Executive Vice President, Operations
    Located in
    Vermont Technical College
    Bachelor of Science Civil and Environmental

    As Executive Vice President, Justin Kelton has leadership responsibility for all commercial markets within the Southwest, including Arizona, Nevada, New Mexico and Colorado. His career with McCarthy began as a laborer on a hospital construction project. After several years in the trades and a stint in the United States Marine Corps, Justin became a project engineer in 2001 with McCarthy in the Southwest. He was quickly made a project director, and within a few years his professional construction career advanced him to vice president and senior vice president, prior to him moving into his current role.

    Over the years, Justin’s leadership has been instrumental in developing and expanding the division’s education services, including the launch of Job Order Contracting. In addition, his leadership has been essential to growing McCarthy's national solar, healthcare, municipal and commercial market sectors. He enjoys nurturing trusted relationships with clients and community leaders, while fostering an environment where engaged teams excel. He is currently serving the community as a board member of the American Heart Association’s Greater Phoenix Chapter and the Support Sky Harbor Coalition and is a member of the Arizona Builder’s Alliance American Society of Civil Engineers and WESTMARC.

  • Lee O'Connell

    Lee O'Connell

    Job Title
    Project Director
    Located in
    New Mexico
    Arizona State University
    Bachelor of Science Engineering

    With more than 15 years of experience in the construction industry, Lee O’Connell has developed a reputation as someone who forges collaboration with owners, design teams and subcontractors. His leadership in recent years has been instrumental in building the firm’s New Mexico office, where he served as the office Director until 2015.

    Lee joined McCarthy in 2003 and has developed a diversified background of commercial projects including expertise in healthcare. He has held multiple roles throughout his career with McCarthy which give him the ability to understand the project from concept to closeout. In addition to his current McCarthy responsibilities, Lee served as past executive board member of the Associated General Contractors, New Mexico and is current a member of Arizona Chapter of Lean Construction Institute and Central Arizona Society for Healthcare Engineering. He also holds the Healthcare Construction Certificate from the American Society for Healthcare Engineering.