• Founded in 1986 by Gurmej S. Sandhu, Ph.D., with a focus on providing systems engineering and technical assistance to the U.S. Army Aviation and Missile Research, Development and Engineering Center (AMRDEC) at Redstone Arsenal.
  • President: Don Carver
  • Services: Management, Technical, E-learning & Training Solutions
  • Serve customers in top major commands from Army & Air Force, Office of Personnel Management (OPM), MSFC NASA; Missile Defense Agency & Other Federal Organizations
  • Employees support over 20 customer locations worldwide
  • Primary NAICS code 541715 Research and Development in the Physical, Engineering, and Life Sciences
  • ISO 9001:2015 certified
  • Accounting System – DCMA approved
  • Contracting Purchasing System – DCMA approved
  • Property System – ACC approved
  • ITAR Compliant
  • Graduated from U.S. Small Business Administration’s 8(a) program in 1999
Company Profile - Group photo of Sigmatech leadership


Leadership - photo of staff meeting


COL. Tim Adam, USAF, Retired COL. Timothy Adam, USAF, RETIRED

PM, SSETA Support to HAF/A3OS & AFSC

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

COL. David Deist, USMC, Retired COL. David Deist, USMC, RETIRED


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, RetiredCOL. Jeff Flewelling, USAF, RETIRED

VP, 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

Garrick KellyCol 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

COL. Jeff Flewelling, USAF, RetiredJosh Olive

VP, Proposal & Marketing Operations

Huntsville, Alabama



  • 19 years of experience in technical writing, business development, and proposal development
  • BA in English from the University of Alabama in Huntsville
  • Proposal Management
  • Capture Process Facilitation/Win Strategy Development
  • Proposal Compliance, Writing, Development
  • Corporate Communications and Social Media

Stephanie PalmerStephenie 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

Raj SandhuRaj SANDHU

Dir. 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


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)

Frank BrownFrank 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


Sr. VP, Army Programs



  • Director, Army Business Development Support Systems Associates, Inc.
  • Project Manager for Aviation Systems, PEO Aviation
  • Director for Soldier & Ground Combat Systems, OASA(ALT), Pentagon
  • Product Manager for UH-60 Modernization, PEO Aviation
  • 27 years of Active Army Service, Senior Army Aviator
  • Over 15 years of senior level program management and acquisition experience
  • Certified level III Army Acquisition professional
  • Masters Degree, International and Strategic Studies, Air University
  • Masters of Business Administration, UT Arlington
  • BS, Business Administration, Murray State University
  • Member, Army Aviation Association of America (AAAA)
  • Member, Association of the U.S. Army (AUSA)


Sr. VP, 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 HodgesJonathan 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

Shannon McGarrySupervisory Special Agent  (SSA) Shannon McGarry, FBI, Retired

VP, 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 and Technically Trained Agent
  • Served over three years as the Assistant Legal Attaché for Belgium, Luxembourg, North Atlantic Treaty Organization (NATO) and the European Union (EU)
  • Former Chief of Staff, Redstone Executive Team and Special Advisor, FBI HQ, Office of Security Operations
  • 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; worked for over seven years as an electrical engineer at the Marshall Space Flight Center (MSFC) National Aeronautics and Space Administration (NASA)
  • Current member of the Association of the Society of Former Special Agents - FBI; Marshall Center Alumni Association; Women in Defense (WID); Society of Women Engineers (SWE); and the National Defense Industrial Association (NDIA)

COL. Ernie Rodriquez, USAF, RetiredCOL. 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

COL. BJ StephensB.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
Senior Leadership - image of Dr. Sandhu

Senior Leadership

Don CarverDon carver


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

Gurmej Sandhu, Ph.D.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


Thank you for your interest in Sigmatech.


In 1986, Sigmatech was founded on the simple concept of providing excellent products and services to create value for our employees and customers. Today, this concept has never been more important. Building on this concept, we continue to evolve as a company and promote growth strategies to foster a high-performing organization. We are committed to be a quality-centered organization, dedicated to continuous improvement.


For our customers, we will work diligently to earn your business, and equally so for years to come. We will accomplish this by delivering value-added products and services that combine the best talents and experience of Sigmatech and our business partners. For our employees, we will provide a work environment where excellence, integrity and high ethical standards are encouraged, recognized and rewarded. We will achieve this by attracting and retaining highly qualified employees that share our vision of being a premiere small business of choice for our customers and team partners.


We are thankful for our team of employees, customers and partners. Through their support, Sigmatech is postured for continued growth and opportunities.



Gurmej S. Sandhu, Ph.D.

Founder & Chairman

Sigmatech, Inc.

Advisory Board - Image of Sigmatech Advisory Board



  • 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, PhDRAYFORD 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

Brig. Gen. Bob Drolet, USA, RetiredBrig. Gen. 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
Company Culture - Image of employee working


Vision: To be the premiere small business choice for our customers and team partners.


Mission:  Provide cost effective, value-added management, technical, e-learning and training services and products to our customers by integrating the best talent and experience of Sigmatech and our business partners.

Core Values:


To do the right thing speaks to our ethical principles and courage to make hard decisions based on what we know is right. Once we have made a commitment and a decision, we stay focused on that direction and do what we say.



In creating an environment of loyalty we start with each other and the establishment of trust in which we back each other up and are prepared to sacrifice our time and effort knowing that the Corporation will return that trust and loyalty. Given this environment, loyalty to our partners is an accepted standard practice.



Respect is an attribute of professionals and is given to everyone regardless of their rank or position.



Excellence is the foundation for success. We should expect no less in everything we do, by every team member no matter how small the role.



Success is not achieved by individuals, but by a team of individuals using a common playbook, understanding their roles, and executing in harmony.



Passion is the energy that takes us to new levels of achievement, enables the attainment of goals, and most importantly accomplishes the mission.



Customer satisfaction is our ultimate goal. It is sustained only when all these Values are instilled in our daily practices.


Ethics & Integrity: Our success as a company depends on delivery of high quality services to our customers while maintaining our commitment to high ethical standards and integrity. Sigmatech employees have a shared responsibility to maintain the highest standard of integrity and to uphold corporate values. Sigmatech’s Code of Ethics and Standards of Conduct provides guidance on our expectations for employees, subcontractors, consultants, board members and others when representing or acting for Sigmatech. This code encompasses the company’s policy and standards for Ethical Behavior, Regulatory Compliance, Financial Responsibility and Obeying the Law.



Our customers ask us to deliver and we do. In government circles, our reputation for performance is excellent. An experienced prime contractor, Sigmatech’s management philosophy and approach are built on a commitment to open communication, ethical practices, quality, performance management, effective teaming and outstanding customer support.



Sigmatech is ISO 9001:2015 certified and provides quality products and services that ensure Customer Satisfaction while maintaining our high standards of integrity and ethics. Click here to view our full quality policy.



Sigmatech implemented a Quality Management System as a means of achieving the following quality goals:

  • Total customer satisfaction. Investigate and develop initial solutions within one business day. Resolve issues within 5 business days or as soon as practical.
  • Customer CPARS on average Satisfactory or higher.
  • Quantity of nonconforming services and products maximum 1%

Sigmatech uses its Quality Management System to continually improve our processes.

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Awards - ESGR Seven Seals Award


US Map of Sigmatech offices

Sigmatech’s Headquarters is located in Cummings Research Park, one of the world’s leading science and technology parks.


Huntsville office:

Don Carver

4901-C Corporate Drive

Huntsville, AL 35805

(256) 382-1188

Aberdeen office:

B.J. Stephens

4694 Millennium Drive

Suite 510B

Belcamp, MD 21017

(410) 306-6608

Colorado office:

Jeff Flewelling

5030 Edison Ave

Suite 100

Colorado Springs, CO 80915

(719) 630-8300


Tim Adam

1235 South Clark St.

Suite 304

Arlington, VA 22202



From Huntsville International Airport: proceed north on Glenn Hearn Blvd SW toward International Way, merge onto I-565 E/US-72 alt E toward Huntsville, merge onto Research Park Blvd NW/ALl-255 N via exit.


Take the Bradford Drive East exit. Merge onto Bradford Drive East. At the traffic light, take a left on Wynn Drive. The second street on the left is Corporate Drive. Turn left into Corporate Drive.


Sigmatech's corporate headquarters is the second building on the left.

Locations - Photo of Sigmatech logo on front door


© Copyright 2017, Sigmatech, Inc.   256-382-1188

The appearance of U.S. Department of Defense (DoD) visual information does not imply or constitute DoD endorsement.

Company Profile - Group photo of Sigmatech leadership
Leadership - photo of staff meeting
Advisory Board - Image of Sigmatech Advisory Board
Senior Leadership - image of Dr. Sandhu

Rayford Vaughn, PhD

Company Culture - Image of employee working
Awards - ESGR Seven Seals Award
Sigmatech awards and trophies
Locations - Photo of Sigmatech logo on front door
US Map of Sigmatech offices
Company Profile - Group photo of Sigmatech leadership
Leadership - photo of staff meeting

Awards - ESGR Seven Seals Award
Advisory Board - Image of Sigmatech Advisory Board
Company Culture - Image of employee working
Senior Leadership - image of Dr. Sandhu
US Map of Sigmatech offices
Locations - Photo of Sigmatech logo on front door