Karl E. Nell

Retired Army Colonel, INSCOM, 1988–2016 (Army); 2016–present (private sector)

Case File

Background

Karl Nell is a retired U.S. Army Colonel who served in Army Intelligence and Security Command (INSCOM) and Special Forces before transitioning to defense industry and UAP advocacy. He co-founded the Sol Foundation - a Stanford-affiliated academic organization focused on rigorous UAP research - alongside David Grusch and Dr. Garry Nolan. On July 26, 2023, Nell testified before the House Oversight Committee alongside Grusch, Ryan Graves, and David Fravor, providing senior military corroboration for the UAP disclosure narrative from a career intelligence and special operations perspective. His most cited statements: 'Non-human intelligence exists and has been interacting with humanity' and that UAP transitions to public acknowledgment are 'imminent' and 'inevitable.'

Service Period

1988–2016 (Army); 2016–present (private sector)

Clearance

Top Secret / SCI (active during service)

Organizations

United States Army - Intelligence and Security Command (INSCOM) · Army Special Forces · Raytheon Technologies (later RTX) · Sol Foundation · Citizen UAP Forum

Roles

Retired Army Colonel, INSCOMDirector of Technology Strategy, Raytheon TechnologiesCo-Founder / Treasurer, Sol FoundationSenior Advisor, Citizen UAP Forum

Education

  • B.S. - U.S. Military Academy, West Point (1988)
  • M.S. Aeronautics and Astronautics - Massachusetts Institute of Technology
  • Army War College graduate

Career Background

  • U.S. Military Academy West Point graduate 1988
  • Army Special Forces - Green Berets
  • Multiple intelligence and special operations assignments across career
  • INSCOM - Army Intelligence and Security Command senior roles

Key Events

1988Graduates West Point; begins Army career
1988–2016Career in Army Special Forces and INSCOM; multiple classified intelligence roles spanning 28 years
c. 2014–2016Senior Army role involving UAP-adjacent programs (specifics classified); acquires knowledge base that informs later public testimony
2016Retires from Army; joins Raytheon Technologies as Director of Technology Strategy
2022Begins active engagement with UAP research community; connects with Grusch and Garry Nolan
Jul 2023Testifies before House Oversight Subcommittee on National Security alongside Grusch, Graves, and Fravor; delivers statement corroborating existence of non-human intelligence and classified UAP programs
Oct 2023Co-founds Sol Foundation alongside David Grusch, Dr. Garry Nolan, and Dr. Peter Skafish; organization holds inaugural symposium at Stanford University
Nov 2023Sol Foundation inaugural symposium at Stanford brings together academics, scientists, and former government officials
2024Continues public advocacy through Sol Foundation; participates in multiple UAP conferences and media appearances