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Chief Human Resources Officer

Donna Diederich, who leads human resources at Abt Associates, has held similar positions at other major professional services and government contracting firms. She has deep subject matter expertise across the full range of HR functions and is passionate about employee engagement.
Diederich has more than 20 years of experience in senior HR positions. Before joining Abt, she served as senior vice president, human resources for CACI International, overseeing HR operations for 19,000 employees. While there, she designed and executed the company’s first comprehensive culture and engagement assessment, led a leadership succession strategy and managed a major leadership training effort.
Diederich previously served in positions of progressively greater leadership and responsibility at Computer Sciences Corporation, including vice president, human resources for the National Public Sector and the Americas region.
Between 1995 and 2014, she led HR in Northrop Grumman's Defense Systems and Commercial, State and Local Divisions, Talent Acquisition, Diversity and Compliance, e-Recruitment and University Relations, and in other positions.


  • Workplace culture
  • Employee engagement
  • Talent acquisition and development
  • Diversity and inclusion
  • Talent management
  • Strategic, workforce and succession planning
Donna Diederich