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
    Phoenix
    Education
    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.

  • Kevin Williams

    Kevin Williams

    Job Title
    Sr. Vice President
    Located in
    Denver
    Education
    University of Dayton
    Bachelor of Science Civil Engineering
    Ohio State University
    Master of Business Administration

    Kevin Williams oversees all McCarthy business operations in Colorado. With nearly 30 years of experience in the construction industry, Williams began his career as a project engineer, moving up to hold just about every operational role in the business. He joined McCarthy in 2011, leading the Advanced Technology & Manufacturing, Federal and Commercial business units out of the firm’s St. Louis office prior to assuming his current position. He now blends his diverse field and leadership expertise with an enthusiasm for working with clients to thoroughly understand their business needs and help align construction with their broader business goals.

    A Professional Engineer and LEED Accredited Professional, Williams is committed to bringing the next generation of talented builders into the industry. To do this, he is active with the ACE Mentor Program of America, an industry-leading program to introduce high school students to career opportunities in the architecture, construction and engineering fields.

  • Justin Kelton

    Justin Kelton

    Job Title
    Executive Vice President, Operations
    Located in
    Phoenix
    Education
    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.

  • Katy Corrigan

    Katy Corrigan

    Job Title
    Director, Business Development
    Located in
    Denver
    Education
    Colorado State University
    Bachelor of Applied Science Construction Management

    Katy Corrigan is responsible for maintaining solid client relationships, building strong project teams and pursuing new business opportunities in Colorado. She brings more than fifteen years of experience in the construction industry to her role in business development, including more than a decade of hands-on project management experience for McCarthy in the field. Katy has completed projects in a variety of markets including healthcare, education, parking garages and water/wastewater. As a LEED Accredited Professional, she is a strong advocate for sustainability efforts at McCarthy in the office and in the field. In addition to her responsibilities with McCarthy, Katy is active in a number of industry and community organizations in Colorado and is passionate about mentoring special needs adults.