About Development Dimensions International, Inc.

Development Dimensions International (DDI) helps businesses hire, develop, and retain talent. The company provides consulting services in areas such as talent assessment, selection system design and implementation, and leadership development for front line, middle management, and senior executives. In addition, DDI offers services in performance and succession management, work analysis, and workforce development. The company serves customers with more than 1,000 associates in industries such as manufacturing, health care, technology, finance, and telecommunications. The company serves multinational clients through more than 40 offices in about 25 countries. William Byham and Douglas Bray founded DDI in 1970.


During a typical year, the company generates about one third of its revenue from multinational clients. DDI's programs have been translated into 20 languages, and the company has provided services to more than 1,600 organizations worldwide.

Geographic Reach

The company operates 42 offices in 26 countries around the world.

Sales and Marketing

Clients have included Citibank, Pitney Bowes, ExxonMobil, IBM, Johnson & Johnson, and Coca-Cola.


The company has used strategic partnerships as a way to expand its business.

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Development Dimensions International, Inc.

1225 Washington Pike
Bridgeville, PA 15017-2825
Phone: 1 (412) 257-0600
Fax: 1 (412) 257-0614


  • Employer Type: Private
  • Marketing Director, Greater China: Stella Chang
  • Account Executive: Ramon Fontaine
  • Principal Software Engineer: Jason Mccoy
  • Employees: 1,100

Major Office Locations

  • Bridgeville, PA

Other Locations

  • Dublin, CA
  • Atlanta, GA
  • New York, NY
  • Addison, TX
  • Rowlett, TX
  • Montréal, Canada
  • Toronto, Canada
  • North Point, Hong Kong
  • Mumbai, India
  • Pune, India
  • Ciudad De Mexico, Mexico
  • Monterrey, Mexico
  • Taipei City, Taiwan
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