Who We Are


Paciulli, Simmons & Associates’ Management Team is comprised of the firm’s partners, associate partners and senior managers, all whom exhibit an advanced understanding of the firm’s marketplace and intricacies of managing a professional consulting services firm. This team is responsible for providing leadership, support and focus in achieving the firm’s strategic goals and coordinating policies and practices through effective management and organization, decision making, and communication.



Joseph G. Paciulli, LS
President and Chief Executive Officer

  • B.S., Business Administration and Management, Virginia Tech


Peter J. Rigby, PE
Vice President, Regional Office Manager - Fairfax

  • M.S., Engineering Management, Drexel University
  • B.S., Civil Engineering, University of Delaware


Jack Williams, PE
Senior Engineer

  • M.S., Civil Engineering, University of Virginia
  • B.A., Environmental Science, University of Virginia
Germain Ann O. Germain, PE
Senior Engineer  
  • Civil Engineering, University of Virginia



Associate Partners

Phillips David "Bum" Phillips, PE
Senior Engineer
  • M.S., Management, Troy State University
  • B.S., Civil Engineering, Virginia Military Institute

Lonny Sturgeon, LS
Chief of Surveys

  • Civil Engineering Technology, Northern Virginia Community College