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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.

  • Justin Kelton

    Justin Kelton

    Job Title
    President, Southwest Region
    Located in
    Vermont Technical College
    Bachelor of Science Civil and Environmental

    As President Southwest Region, 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, senior vice president and executive 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.

  • Tim Barr

    Tim Barr

    Job Title
    Director, Business Development
    Located in
    University of Colorado
    Bachelor of Science, Business Administration

    A Colorado native and 20-year veteran of the architecture and construction industries, Tim serves as director of business development for McCarthy’s Denver office. With a focus on education, aviation, high-tech and commercial projects and a specialty in the integration of design and construction, he has assisted in delivering more than $600 million in built products during his career. Tim was awarded the 2016 SMPS Colorado “Business Developer of the Year” and was honored by San Diego Metropolitan Magazine in 2007 as part of its annual “40 under 40” honor roll.

  • Kevin Williams

    Kevin Williams

    Job Title
    Sr. Vice President
    Located in
    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.