Advisory Board
We have distinguished advisors who advise and support us in acquiring and operating portfolio companies.
![Gen. Herbert J. Carlisle headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/herbert-j-carlisle-210x280.jpeg)
Gen. Herbert J. Carlisle
- Ret. 4-star General, USAF
- President & CEO – National Defense Industrial Association
![Daniel A. Grafton headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/grafton-2-210x280.jpg)
Daniel A. Grafton
- Director, Tenax Aerospace
- Fmr. Chairman – Trustmark Corporation (2011-2017)
- Fmr. President – L3 Communications Vertex Aerospace
![Gen. Michael V. Hayden headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/michael-v-hayden-210x280.jpeg)
Gen. Michael V. Hayden
- Director, Tenax Aerospace
- Ret. 4-star General – USAF
- Director, CIA (2006 – 2009)
- First Principal Deputy Director of National Intelligence (2005 – 2006)
- Director, NSA (1999 – 2005)
![Gen. Charles R. Holland headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/charles-holland-210x280.jpeg)
Gen. Charles R. Holland
- Director, Tenax Aerospace
- Ret. 4-Star General – USAF
- Fmr. Head of United States Special Operations Command
![Admiral David Dunaway headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/david-dunaway-210x280.jpeg)
Admiral David Dunaway
- Director, Entwistle Company
- Ret. Vice Admiral, USN
- Fmr. Commander – NAVAIR
![Gen. Silvanus “Taco” Gilbert III headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/silvanus-taco-gilbert-210x280.jpeg)
Gen. Silvanus “Taco” Gilbert III
- Director, Stevens Aerospace and Defense
- Ret. 1-Star General, USAF
- Fmr. SVP – Sierra Nevada Corp.
![Sec. John J. Young headshot](https://www.ntcgroup.com/wp-content/uploads/2023/07/John_J._Young_Jr-210x280.jpg)
Sec. John J. Young
- Director, Tenax Aerospace
- Fmr. DOD Director of Defense Research and Engineering
- Fmr. Assistant Secretary of the Navy
![General William T. Crosby headshot](https://www.ntcgroup.com/wp-content/uploads/2023/05/crosby-210x280.jpg)
General William T. Crosby
- Director, Stevens Aerospace and Defense
- Ret. 2-Star General – U.S. Army
- Former PEO of the Army Fixed Wing Office