Private company

Development Dimensions International

US-based human resources company

Development Dimensions International (DDI) is an international human resources and leadership development consultancy. DDI works with organizations to make changes related to leadership development, leadership selection, succession management, and execution and performance. The company is headquartered in Pittsburgh, Pennsylvania and has more than 1,100 employees throughout 42 offices in 26 countries.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1970Founded1
  • Industryhuman resource consulting1
  • HeadquartersPittsburgh1

Development Dimensions International (DDI) is an international human resources and leadership development consultancy. DDI works with organizations to make changes related to leadership development, leadership selection, succession management, and execution and performance.2

Timeline

  1. 1970Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2