Skip to main content


We're lifelong learners and open‑minded collaborators who are ready to move mountains on our clients' behalf. (But we can still make time to admire each other's pets.)


  • Ben Callahan


    Ben is a recognized expert in standards-based web development and design systems. His background as a software engineer and website designer gives him a valuable balance of technical skill and creativity, which shapes our perspective as a team and influences many of our client projects. Ben’s leadership and dedication to fostering a healthy culture have been a big part of making Sparkbox what it is today.

  • Rob Harr

    Founder & President

    Rob is a developer and consultant who found his way into running a web business. He got his start in software architecture and enterprise consulting and throughout his career has tackled issues of security, scalability, and performance. Today, he’s responsible for Sparkbox’s operations and financials, but he’s really in the business of making all of us better. His commitment to innovation and iteration (and his good humor) are present in all that we do.

    Client Success

    Experience Design



    The best part of my job is getting to tell prospective clients, 'you'll love working with our team,' and knowing it's the truth.

    Rob Harr, Sparkbox Founder & President

    Want to talk about how we can work together?

    Katie can help

    A portrait of Vice President of Business Development, Katie Jennings.

    Katie Jennings

    Vice President of Business Development