Tech Insider : Business, Style

FBI agent Scott Payne served 28 years in law enforcement, including going undercover in violent neo-Nazi cells, the Ku Klux Klan, and outlaw motorcycle gangs.

Tech Insider : Business, Style

Jackee Taylor was 7 years old when she entered the US Federal Witness Protection Program in 1981, and she has remained in it for over 40 years. Her father, Clarence "Butch" Crouch, was a member of the Cleveland Hells Angels motorcycle club.

Tech Insider : Politics, Business, Style

Arno Michaelis identifies as a former white nationalist. For seven years he lived in a world of hate, leading a popular white-power punk rock band, Centurion, and cofounding a violent neo-Nazi gang that preyed on anyone who seemed different.

Tech Insider : Business, Style

Barrie Rice is a former commando with the New Zealand Special Air Service. For the past 30 years, he's been a mercenary and personal bodyguard all over the world.

Tech Insider : Business, Style

Krishna Thapa is a former Special Air Service troop leader, Gurkha, and record-breaking mountaineer.

Tech Insider : Business, Style

Captain Benjamin "Ben" Harrow is a decorated US Army Green Beret. A former collegiate lacrosse player, he trained at West Point and served as an infantry officer and special forces detachment commander during deployments to Iraq and Afghanistan.

Tech Insider : Politics, Business, Style

Hyunseung Lee and his family defected from North Korea in 2014 after a series of violent executions by North Korea's leader, Kim Jong Un. Despite living a privileged life in the elite class of Pyongyang and serving in the North Korean special forces, he feared for his safety.

Tech Insider : Politics

Kenneth Valentine served as a special agent in the US Secret Service for 24 years. He protected three sitting presidents: Bill Clinton, George W. Bush, and Barack Obama.

Valentine gives insight into what failures played out during the assassination attempts on former President Donald Trump and offers his thoughts on the future of the US Secret Service.

Tech Insider

Gary Stevenson, the author of "The Trading Game," spent his early 20s trading trillions of dollars for Citibank in London and Tokyo.

Tech Insider : Politics

Andrew Bustamante spent seven years working covertly as an officer in the Central Intelligence Agency. The CIA recruited him while he was applying to join the Peace Corps after leaving the US Air Force. Bustamante possesses an intimate knowledge of the intelligence community's inner workings.