Tomeka B. Scales, Ph.D.
Director, Media Engagement & Communications
media@pscouncil.org

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PSC Elects New 2026 Board Members and Leadership

Amentum CEO John Heller to Serve as 2026 Board Chair 

Arlington, Va. (December 11, 2025) -- The Professional Services Council (PSC) elected new 2026 Board Officers, in addition to one new executive committee member and five new board members, during its Board of Directors meeting on Thursday. John Heller, Chief Executive Officer (CEO) of Amentum, a global leader in innovative technology solutions with 50,000 employees across the world, will serve as PSC’s new board chair. These changes will take effect on January 1, 2026.

“PSC’s board represents the best of the government contracting community,” said PSC CEO James Carroll. “Under John Heller’s leadership, the PSC board will continue to play an essential role in guiding PSC in the coming year and ensure our standing as the premier trade associate and advocate for federal contractors.”

“Stepping into the role of Chair of the Professional Services Council Board of Directors comes at a time when PSC’s work is more important than ever with rapid technological change, dynamic customer demands and increased reliance on government partners,” said John Heller. “Our industry requires a strong voice to advocate for the federal contracting community. PSC plays that vital role by bringing together our members to advance policies that promote government missions for the citizens we serve.”

2026 Board Officers:   

• Chair: John Heller, CEO, Amentum   

• Vice-Chair: Bruce Caswell, President and CEO, Maximus   

• Secretary: Threase Baker, President, ABBTECH Professional Resources 
  

2026 Executive Committee Members:   
* newly elected for 2026

• Threase Baker, President, ABBTECH Professional Resources   

• Thomas Bell, CEO, Leidos  

• Lynn Ann Casey, CEO, Arc Aspicio   

• Bruce Caswell, President and CEO, Maximus  

• Janet Clement, CEO, Jefferson Solutions Group  

• Babs Doherty, President and CEO, Solerity  

• Jennifer Felix, President and CEO, ASRC Federal* 

• Andy Green, President, HII Mission Technologies  

• John Heller, CEO, Amentum   

• Stephanie Mango, President and CEO, CGI Federal 

• John Mengucci, President and CEO, CACI 

• Zach Parker, President, CEO and Board Chair, DLH Corp. 

• PV Puvvada, CEO, NetImpact Strategies 

• LaJuanna Russell, President and CEO, Business Management Associates, Inc.  

• Julian Setian, President and CEO, SOSi  

• Carey Smith, Chairwoman, President and CEO, Parsons   

• Tina Wilson, CEO, T47 International, Inc. 
  

2026 Board Members:   

• Greg Blue, CEO, CSA Global LLC  

• Stephen Deitz, President, Federal Civilian Sector, ManTech  

• Angela Drummond, Founder and Chief Executive Officer, SiloSmashers 

• Rob Dwyer, Principal, Federal Advisory – Technology Leader, KPMG LLP  

• Kathleen Flanagan, President and CEO, Abt Global   

• Dan Ford, Chair and CEO, Capgemini Government Solutions  

• Craig Halliday, CEO, Unanet   

• Garron Hansen, Senior Vice President, Growth Division, Chemonics International* 

• John Hassoun, President and CEO, VTG  

• Swami Iyer, CEO, Cook Inlet Region, Inc. (CIRI)*

• Jim Kainz, Senior Vice President, Growth, Applied Research Associates* 

• Michael LaRouche, CEO, Serco*  

• Ali Manouchehri, Co-Founder and CEO, MetroStar  

• LaJuanna Russell, President and CEO, Business Management Associates, Inc.   

• Julian Setian, President and CEO, SOSi  

• Carey Smith, Chairwoman, President and CEO, Parsons  

• Leslie Steele, CEO, InterImage, Inc.  

• Rocky Thurston, CEO, DMI*  

• Jennifer Walcott, Principal, Leader of U.S. Government and Public Services Industry Practice, Deloitte  

• Helle Weeke, Senior Vice President and General Counsel, DAI   

• Jennifer Welham, Senior Vice President, Health, People, and Human Services, ICF  

“PSC extends our sincere appreciation to outgoing Board Chair Zach Parker of DLH Corp. for his outstanding service and steadfast support during a time of transition within the federal marketplace,” said PSC President Stephanie Kostro. “We also thank our outgoing Board members for their significant contributions to our organization.” 

The PSC Board of Directors consists of executives who have shown leadership and commitment to PSC’s goals of building a fair and competitive federal contracting industry. They are from member companies varying in size and scope to reflect the breadth and depth of companies who support federal departments and agencies. PSC Board members serve three-year terms, and Executive Committee members serve one-year terms.    

The Board is responsible for policy oversight and setting the association's direction. 

About PSC’s 2026 Board Officers

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About PSC
The Professional Services Council (PSC) is the leading trade association and advocate for the government contracting industry, representing more than 400 member companies—ranging in size from start-ups to multinational organizations. These companies support federal agencies with mission-focused services and solutions and collectively employ one million American workers throughout the United States and around the world, contributing trillions of dollars to the U.S. economy. Learn more at: www.pscouncil.org.