Our experience and success derives from a talented group of content specialists and instructors.

Gary Heffner - Director of Training

An expert in training, curriculum development and security inspection, Mr. Heffner is responsible for the development and delivery of training for all S2 Global staff, partners and customers. Prior to joining S2 Global, Mr. Heffner was CEO of Global Customs Security Consulting, Inc., a private consulting firm consisting of former U.S. Customs officials with over 250 years of U.S. Customs experience in over 50 countries. Prior to that position, Mr. Heffner held a number of senior positions within the U.S. Department of Homeland Security.

Al Tagliaferro - Instructor

Al is a retired manager from U.S. Customs/Customs and Border Protection, retiring in January 2016 after 41 years of service. Al attended Northeastern University in Boston, Massachusetts where he earned a Bachelor of Science degree in Criminal Justice. During his career he held numerous positions to include Chief of CET; Port Director; Border Security Coordinator and Acting Assistant Director of Field Operation; NII Program Manager and served at multiple seaport, airport and land border locations. Al brings extensive enforcement and NII experience to S2 Global. His accomplishments in those areas earned him a number of awards and recognition throughout his career.

Christian Calle – Senior Tech Course Dev

Christian is responsible for fusing all content into S2 University’s curriculum.  He has 12 years of educational experience supported by strong design and curriculum development knowledge.