Gregory Sims served in the CIA’s Clandestine Service for over thirty years, including multiple field tours as Chief and Deputy Chief of CIA stations. He is currently retired and living in Huntsville, AL. He can be found on LinkedIn.
OPINION — The explosive growth in publicly available information (PAI) spawned by the revolution in information technology has led a growing number of authoritative thinkers […] More
OPINION – On the eve of the US midterm elections, it is a good time to reflect on cyber threats to our political process, particularly […] More
OPINION — In a performance worthy of Joseph Goebbels, Vladimir Putin’s announcement of the formal annexation of occupied portions of eastern Ukraine – along with […] More
OPINION — Putin’s invasion of Ukraine will generate immediate waves on the intel front, especially in HUMINT operations. Some effects will follow established patterns, but […] More
OPINION — As a national leader, Vladimir Putin deserves respect. You underestimate him at your peril. But it is a qualified respect. Putin wields the […] More
EXPERT PERSPECTIVE — If Russia ultimately launches military operations against Ukraine, U.S. President Joe Biden has signaled that the U.S. would respond not with direct […] More
OPINION — Perhaps it is just a reckless Khrushchevesque opening gambit, but Russia’s recent security demands suggest that Vladimir Putin’s condition for avoiding military action […] More
Views expressed in The Cipher Brief are individual views and do not represent all experts. Gregory Sims served in the CIA’s Clandestine Service for over […] More
