Advisory Board

Sigmatech’s Advisory Board was founded in 2009. Our board members’ community relationships and combined years of experience are a valuable strategic advantage in our industry.

Dr Jim Blake

Jim Blake, PhD

  • 30+ years of experience supporting DoD, Federal and Commercial programs in senior-level Vice President, Program Executive Officer, and Director roles.
  • Former senior executive Cubic Global Defense.
  • Former Program Executive Officer for Simulation, Training and Instrumentation.
  • Induction into the National Center for Simulation (NCS) Hall of Fame.
  • Ph.D. in Computer Science, Duke University.
  • Retired member of the Senior Executive Service.

BG. Bob Drolet, USA, RETIRED

  • 40 years technical & management experience with Air Force Space Command, AMCOM, SMDC, RDEC & PEOs
  • Former senior executive Lockheed Martin Space Systems Company
  • Army officer 29 years
  • Former PEO, acquisition executive, Army Air Defense Systems
  • Managed over $3B multi-system portfolio
  • Chairman, Veterans Memorial Foundation
  • Board & Past President Advisory, AUSA
  • YMCA Service to Veterans Board


Tom Houser

  • President/COO of Whitespace Innovations
  • Former President of S3
  • Former President/COO of MEVATEC Corp.
  • Master’s Degree in Warfare Systems Engineering from Naval Post Graduate School

Rayford Vaughn, PhD

  • Ph.D. in Cybersecurity
  • Former Vice President for Research and Economic Development at University Alabama Huntsville
  • Former Associate Vice President for Research and Department Head of Computer Science and Engineering at Mississippi State University
  • Retired Colonel, United States Army
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