Yarko “JJ” Sos

Co-CEO/President

A highly decorated military aviator and entrepreneur, “JJ” ran the United States Navy Fighter Weapons School, known worldwide as TOPGUN.  He retired from the military as the Commander of the 119th Fighter Squadron, an F-16 fighter unit in the New Jersey Air National Guard, and previously commanded the 177th Fighter Wing Operations Support Flight.  As an F-14 fighter pilot, he was the operations officer of Fighter Squadron 154, and the chief Landing Signal Officer for Carrier Air Wing ONE.  “JJ” amassed over 4000 flight hours in F-14s, F/A-18s and F-16 fighter jets, and successfully executed 746 carrier arrested landings, of which 250 were at night.  He flew 27 combat missions in Operation Desert Storm, 12 strike missions in NATO Bosnia operations, and participated in four other combat deployments to Iraq.

Concurrent with commanding two Air National Guard Units, “JJ” began a new career relating his leadership and flying experience to corporate America.  He has spent five years as a business process and strategy consultant with Afterburner, Inc.  Concurrently, he completed his Masters of Business Administration from Rutgers University-Camden with highest honors.

In 2008, JJ retired from the US Air Force at the rank of Lieutenant Colonel.  A founding member of Check-6 International, Inc. he helped build a three person startup into a global consultancy of nearly 500 people working on 6 continents.  He is currently the Co-Chief Executive Officer of Check-6, a performance leadership company comprised exclusively of select military pilots, special forces operators and senior enlisted leaders.  Check-6 takes the best practices of the most dangerous operations on Earth and tailors training, technology, simulation, cultural and leadership solutions with truly credible consultants to benefit industries that seek “high-reliability” culture/performance and continuous improvement. Our customers include Chevron, ExxonMobil, Shell, Diamond Offshore, Noble, Hess, BP, and Seadrill.