For over a decade Ed Calderon worked in the fields of counter-narcotics, organized crime investigation, and public safety in the northern border region of Mexico. During this period he also coordinated and worked executive protection details for high-level government officials and visiting dignitaries — often in some of the most dangerous parts of the country.

His study into the indigenous Mexican criminal culture, from occult practices to endemic modus operandi have lead him to be recognized as one of the world’s preeminent researchers and trainers in the field of personal security that has come out of Mexico.

Ed has had the privilege of sharing his expertise in the areas of anti-abduction, escapology, unarmed combat, region-specific executive protection work, and unconventional-edged weapons work with members of federal law enforcement agencies. Including the FBI and BORTAC, Navy SEALS, Indonesian Kopaska, Mexican and United States intelligence service agents, and members of special forces groups from all over the world.

Since 2003, Craig has been teaching globally under the ShivWorks brand and has conducted coursework on entangled shooting skills in nearly 40 states and nine foreign countries. He has taught for federal, state, and local law enforcement agencies, and to three branches of the U.S. military. 

He’s the bestselling author of 100 Deadly Skills and 100 Deadly Skills: Survival Edition, and also the only SEAL ever inducted into the International Spy Museum.

 With over 30 years of experience in mixed martial arts, self-defense, and close-quarters combat, Jon has developed the unique P4 De-escalation Training Program that provides immediate results and retention under stress for participants of all skill levels. Jon has trained countless individuals and organizations, including the Department of Homeland Security, U.S. Navy SEALs, and U.S. federal and state law enforcement agencies.

Currently serving clients in Syria, Mexico, Lebanon, Iraq, Haiti, Colombia and numerous other challenging locations. Director of OTC International which provides humanitarian medical aid and education to in-need populations in conflict zones.

He is founder of SecFor International known as one of the top private security training schools in the industry and currently the training Director for the League of Executive Protection Specialists.

Byron is also the Chief Executive Officer at Bravo Research Group, a boutique private security company in Southern California, and the founder of Protector Nation, a training company designed to help first responders, private security professionals, and civilians become more willing capable and prepared to deal with evil.

He owns and operates The League of Executive Protection Specialist, an executive protection school and training organization, and is the go-to security consultant for high net worth individuals, their families, and various corporate initiatives.

Byron is also a published author with a Bachelor's degree in the Science of Psychology and a Master's degree in the Art of Psychology with a minor in Forensic Psychology. With a commitment to wisdom, discipline, purpose, freedom, and excellence, Byron's mission is to serve the world in total alignment with these principles.