Sigmatech Leadership

Our highly qualified leadership team members are some of the most respected in this industry.

Senior Leadership

Don Carver

Don Carver
President
Huntsville, Alabama

  • 14 Years Government Experience with Missile and Space Intelligence Center and USA Space and Missile Defense Command
  • Member Army Acquisition Corp, Acquisition Level III Certified
  • 10 Years Program Management Experience supporting PEO STRI, USA SMDC, MDA, AMRDEC, AMC, PEO AVN and PEO M&S
  • Bachelors of Science in Chemical Engineering, University of Alabama

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Gurmej S. Sandhu, Ph.D.,
Founder, Chairman & Chief Technical Advisor
Huntsville, Alabama

  • 35 years technical & management experience
  • Air Force Space Command (AFSPC), U.S. Army Aviation & Missile Command (AMCOM), Space & Missile Defense Command (SMDC), Research, Development & Engineering Center (RDEC) & Program Executive Offices (PEOs), NASA Marshall Space Flight Center (MSFC)
  • Career spans realms of research, industry & education
  • Over 100 technical publications on system science & signal processing
  • Inducted to the Distinguished Engineering Academy of the University of Alabama in Huntsville in 2001 and was a recipient of the Distinguished Alumni Award, the university’s highest honor, for the year 2004.
  • Board of Directors of the University of Alabama at Huntsville Foundation
  • Huntsville/Madison County Chamber of Commerce Board of Directors
  • Diverse background ranging from executive leadership & program management to principal engineer & project lead for companies that include Boeing Aerospace, Teledyne Brown Engineering & General Research Corporation

Leadership

Timothy Adam

COL. Timothy Adam, USAF, RETIRED
PM, SSETA Support to HAF/A3OS and HQ US Space Force
Arlington, VA

  • Career space professional and retired Air Force Colonel with over 31 years of space, nuclear, missile defense, and intelligence operations and leadership experience
  • Commanded at multiple levels and led critical ground-breaking operations for:  AFSPC’s inaugural satellite command and control from Schriever (then Falcon) AFB, Missile Warning operations during Operation Desert Storm,  Delta II launch operations achieving GPS full operational capability, and Intercontinental Ballistic Missile (ICBM) operations during 9/11, START compliance, and Peacekeeper missile deactivation
  • Spent three years in the office of the Chairman, Joint Chiefs of Staff synchronizing interagency policy and intelligence as a military delegate on the Secretary of State’s senior executive team
  • Joined Sigmatech from the Aerospace Corporation where he guided the procurement of the next generation of launch vehicles for the Assistant Secretary of the Air Force for Space Acquisition and small launch vehicle programs for the National Reconnaissance Office’s Office of Space Launch

Frank Brown

Frank Brown
Chief Financial Officer
Huntsville, Alabama

  • Oversees all of Sigmatech’s finance and accounting functions
  • Secretary of Sigmatech’s Board of Directors
  • Over 20 years of experience in both public and privately held corporations in all facets of financial management
  • Attended Officer Candidate School and served in the infantry
  • Graduate of Leadership Huntsville Management Academy
  • Certificate in Accounting from the University of Alabama in Huntsville
  • Bachelor’s Degree in General Administration from McNeese State University

Cliff Crivello

Clifford ‘Cliff’ Crivello
Vice President, Security Cooperation Programs
Huntsville, Alabama

  • 35 years of Security Cooperation (SC) and Security Assistance(SA) experience:
  • 15 years at NATO/SHAPE – area of responsibility was Belgium, Netherlands, Germany, France, Luxemburg, Norway and Great Britain all aspects of international support from LOC access, joint exercises to international agreements and FMS support.
  • 20 Years with USASAC experience included:
    • Ombudsman to industry in reference to over 5000 FMS cases valued at that time around ~$140B
    • Assigned to DSCA to develop the SC/SA POM and Budget process, Pre-LOR process, improvements to the Case execution Process
    • Force manager for the AMC FMS community – instituted activity based costing
    • Responsible for operational and financial policy – rewrote treasure accounting process and line of accounting for FMS 8242 funds
    • Worked as the Commanders initiatives officer, the G1 the G8
    • As the G8, was responsible for the fiscal management and execution of over ~200B of 8242 funds for the entire army – was the SME in the Army for this fund.
    • Responsible for remapping all core FMS processes.

Chet DeCesaris

Chester DeCesaris
Sr. Vice President and Technical Director

  • 36 Years Government Service with Department of Defense, mainly Missile Defense Agency (25 yrs)
  • 16 Year Member of the Senior Executive Service
  • Presidential Meritorious Service Award 2007
  • Member Army Acquisition Corp, Acquisition and Test  Level III Certified
  • Masters of Science in Mechanical Engineering, University of Maryland
  • Bachelors of Science in Mechanical Engineering, Virginia Polytechnic Institute and State University (VaTech)
  • Recognized expert in Hypersonics, Test, Systems Engineering, and Program Management

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COL. David Deist, USMC, RETIRED
PM, NSSI
Colorado Springs, Colorado

  • PM NSSI, 7 Years
  • Bachelors of Science in Aerospace Engineering USNA
  • Master of Science in Astronautical Engineering, Naval Postgraduate School
  • Master of Science in Strategic Studies, Army War College

COL. Jeff Flewelling, USAF, RETIRED

COL. Jeff Flewelling, USAF, RETIRED
Vice President, Space Operations Division
Colorado Springs, Colorado

  • Dir. Space and Cyber Operations
  • Oversees Sigmatech’s Space and Cyber contracts, task orders and initiatives
  • Over 25 years of U.S. Air Force experience
  • Former Inspector General, Air Force Space Command (AFSPC)
  • Master’s in National Security Studies from the National War College
  • Master’s of Aeronautical Science from Embry-Riddle Aeronautical University

Phil Hays

Phil Hays
Sr. Vice President, Space and Cyber Operations
Colorado Springs, Colorado

  • Provides executive oversight for all Sigmatech Space and Cyber Operations
  • Provides expertise to Air Force Space Command, Directorate of Operations (HQ AFSPC A2/3/6) on space launch operations/maintenance, and launch vehicle, satellite, range activities and security concerns of the nation’s space launch capability.
  • 30+ years of spacelift experience
  • 20+ years as HQ level action officer at AFSPC/DOS
  • 20+ years of experience Launch Vehicle PEM
  • Operational Test Planning Experience

Jonathan Hodges

Jonathan Hodges
Director, Human Services
Huntsville, Alabama

  • Provides oversight and strategy for all Human Resource functions within the organization
  • Over 18 years of experience in all aspects of Human Resources specializing in DoD contracting environments
  • Bachelor of Science in Business Administration with a specialization in Human Resources from the University of Alabama in Huntsville

John Jones

COL. John Jones, USA, RETIRED
Vice President, Army Products and Solutions
Huntsville, Alabama

  • Commander of a 1300 person workforce at the U.S. Army Redstone Test Center, conducting developmental testing to include range operations, aviation flight test, missile test, environmental, small arms and tactical missile performance testing, and cyber.
  • 7 years of Defense Contract Management Agency (DCMA) Command at both the O-6/O-5 levels in CONUS and in combat in Afghanistan. Portfolios included over 1200 companies, 100,000 defense contractors, and contracts in excess of $50B
  • Commander, DCMA Aircraft Integrated Maintenance Operations, Enterprise and Greenville, oversaw 10 different overhaul, maintenance, repair, and manufacturing facilities (4 years)
  • Experimental Test Pilot serving as Chief of Flight Test, Director of Test Management, Branch and Division Chief, overseeing all developmental flight test activities for manned, unmanned, rotary and fixed-wing aircraft (6 years)
  • 30 years Army service, Master Army Aviator with ratings in eight rotary and fixed wing aircraft and flight in over 52 different airframes
  • Over 19 years of Acquisition experience in Test, Program Management, and Contracting for all Armed Services, multiple Agencies, and Federal Organizations
  • Certified Level III Acquisition professional in Program Management and Test and Evaluation; Level II in Contracting and Systems Engineering
  • MS Degree, International and Strategic Studies, Air University, Air War College; MA Degree, Procurement and Acquisition Management, Webster University
  • United States Military Academy, 1990, BS – Computer Science, Branch Aviation
  • Member Society of Experimental Test Pilots (SETP), AAAA (30 year), AUSA

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COL. Garrick Kelly, USA, RETIRED
Vice President, Aviation and International Programs
Huntsville, Alabama

  • Retired US Army Aviation Colonel, with over 26 years uniformed service
  • Over thirty years’ experience in uniform and business supporting Army, Joint, Coalition, and allied operational and strategic headquarters
  • Army Command Select List and Senior Subject Matter Expert in US and Foreign Military Flight Training and support programs
  • Experienced in Requirements Development, Defense- and Agency-level Program and Budget, Test and Evaluation, and Strategic and Operational level assessments
  • Master of Science Degree in Administration, Central Michigan University
  • Bachelor of Science Degree, Chemistry major, Marshall University

Shannon McGarry

Supervisory Special Agent  (SSA) Shannon McGarry, FBI, Retired
Vice President, Corporate Development
Huntsville, Alabama

  • Senior Leader with more than 20 years’ experience in national security, technical operations, capacity building and policy development. Special expertise in complex/diverse security and law enforcement environments addressing counterterrorism, counterintelligence, cyber and transnational organized crime investigations.
  • FBI Counterintelligence Officer, Technically Trained Agent, Inspection Certified
  • Former Chief of Staff, Redstone Executive Team and Special Advisor, FBI HQ, Office of Security Operations
  • Former Assistant Legal Attaché for Belgium, Luxembourg, North Atlantic Treaty Organization (NATO) and the European Union (EU)
  • Graduate of the George C. Marshall European Center for Security Studies in the Executive Program on Applied Security Studies (EPASS)
  • Bachelor’s Degree in Electrical Engineering from the University of Alabama in Huntsville (UAH)
  • Member, Association of the Society of Former Special Agents – FBI
  • George C. Marshall European Center Alumni Association
  • UAH Board Member – College of Arts, Humanities, and Social Sciences

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Stephenie Palmer
Director, Administration/Facilities/Security
Huntsville, Alabama

  • Over 19 years of Operations and Program Management experience in Army Garrison Support, Army Combatant Command, Army Acquisition and Defense Industrial Base Organizations.
  • Provides operational oversight for corporate administrative, security and IT staff at headquarters Huntsville
  • Interfaces with and assist executive management from all division offices
  • Serves as headquarters Facility Manager and Assistant Facility Security Officer
  • DSS Security Fundamental Profession Certification, May 2018; DSS Security Asset Protection Professional Certification, May 2019; International Facilities Management Association (IFMA) Facility Management Profession Certification, May 2018    
  • Bachelor’s Degree in Zoology, Marshall University

COL. Ernie Rodriguez, USAF, RETIRED

COL. Ernie Rodriguez, USAF, RETIRED
Space and Cyber Systems Business Development
Colorado Springs, Colorado

  • 25 years of U.S. Air Force space and nuclear operations experience
  • Former Space Group Deputy Commander, leading 500+ technical and operational personnel performing experimentation, operational testing, and space range operations
  • Leads Sigmatech business development efforts for USAF Space, Cyber, Nuclear and Homeland Defense programs
  • Master’s in Technical Management from West Coast University
  • Bachelor’s in International Relations from the United States Air Force Academy

Raj Sandhu

Raj Sandhu
Director, Corporate Development
Huntsville, Alabama

  • 17 years of experience in business development, corporate strategy, pricing, procurement and contracts
  • Bachelor of Science in Electrical Engineering, Minor in Economics from Georgia Institute of Technology
  • Master of Business Administration (MBA) from Emory University

COL. B.J. Stephens, USA, RETIRED

COL. B.J. Stephens, USA, RETIRED
Vice President, C5ISR
Aberdeen Proving Ground, MD

  • Over 25 years of U.S. Army leadership experience
  • 15 years of Army Acquisition experience in Information Technology systems
  • Army Command Select List assignments as the Product Manager, Blue Force Tracking and as the Director, Cyber Focal
  • Master’s Degree in Information Management, Webster University
  • Bachelor’s Degree in Political Science (Army), Texas A&M University

Lisa Willett

Lisa Willett
Vice President, Contracting
Huntsville, Alabama

  • 27 years of experience in DoD and NASA support in contracts, program control, pricing and program management
  • Masters of Business Administration from the University of North Alabama
  • Bachelor of Science in Computer Science from Athens State University
  • Member of the National Contract Management Association (NCMA)