About Dubuque Data Services

Founded in 1972, Dubuque Data Services has been providing dealerships with high-powered dealership management systems.

Glen Callahan

CEO and Chairman of the Board

Glen started Dubuque Data Services in 1972. Under his leadership, DDS entered the equipment (CNH) and heavy truck (Navistar) industry in the late 1980s and the automotive market in the mid-1990s, with certification on Ford Communications. DDS has since expanded into the Chrysler, Volkswagen, General Motors, Kia and Hyundai markets. Glen currently serves as CEO and Chairman of the Board for DDS.

Colleen Callahan


Colleen leads the day-to-day operations for Dubuque Data. Bringing an accounting background and previous experience at a software development firm from Chicago, she returned to Dubuque Data in 2000 to take over as the second generation from the Callahan family to run the company.

A Selection Of Our Partners

  • DDS has a customer service level that is outstanding among business system providers. As an experienced Parts Manager, having an easy to manage parts software package is

    — Russ Helle - Parts Manager Tauke Motors, Inc., IA
  • DDS has a customer service level that is SUPERIOR among business system providers.

  • The BEST business software decision we ever made.

  • As parts manager for three stores, the multi- site functions save me a lot of time and STRESS per day.

    — Duane Omar

We've Got You Covered

Our Support Department develops relationships with our customers through an understanding partnership that fosters honesty and trust.

Support calls go directly to an analyst right here in Dubuque, Iowa. We work in a collaborative environment to provide the best possible support experience.