Meet Our Security Professionals

Meet Our Security Professionals 2017-10-12T18:22:24+00:00
Timothy Miller
Timothy MillerPresident and Founder
Tim Miller is a 30-year law enforcement and military professional. As a Secret Service Special Agent assigned to the Washington Field Office, Tim coordinated all aspects of security for the President, Vice-President, and foreign heads of state on a regular basis. Tim is currently the Director of Security at Christ Fellowship in South Florida, a church of 35,000 with 7 campuses.
Steve Eccher
Steve EccherDirector of Development
Steve began his law enforcement career in the US Secret Service with extensive training and operational experience in Executive Protection, Physical Security and Undercover Operations. He served in highly sensitive positions including major Presidential and High Profile Protective advances, conducted and managed numerous security surveys and reviews for high-security facilities including the White House.
Chuck Holton
Chuck HoltonDirector of Communications
Chuck Holton is a bestselling author, international reporter, photographer, video producer, public speaker, adventurer, businessman and homeschooling father of five. As a war correspondent, Chuck travels to more than a dozen countries each year. Drawing on extensive experience in areas of conflict, he brings a unique depth of perspective to the job of Director of Communications for LionHeart International Services Group.

Mark Lundgren
Mark LundgrenSenior Instructor - Faith Based Training
Mark has 25 years of successful investigative, analytical and managerial experience at the FBI. He served as the Strategic Partnership Coordinator at the FBI. He led several large teams in groundbreaking efforts that shaped the FBI in critical areas of investigations, communications, technology and intelligence. Mark is the leader of a large volunteer church security team that has set the bar for best practices in the Midwest.
Miles Brey
Miles BreySenior Instructor-Magnetometer and Access Control Surveys
Miles comes to the Lion Heart team with over 26 years of protective and supervisory experience with the United States Secret Service. Prior to his retirement Miles completed his career at the White House where he served as the supervisor for the West Wing and Executive Residence. Miles is a highly sought after and recognized expert on securing large facilities and sites utilizing magnetometers and other technical measures.
Abe Groveman
Abe GrovemanSenior Instructor - SWAT, Active Shooter and Firearms
Abe Groveman is a member of the Montgomery County (MD) Police SWAT team and has over 10 years experience in uniformed and plain clothes law enforcement. Also a SWAT trainer, Abe is a recognized expert in Active Shooter and Firearms Training. Abe has also been directly involved in security planning and implementation for churches and non-profits in both professional and volunteer roles.
Michael Pellegrini
Michael PellegriniSenior Instructor - Firearms and Tactics
Michael Pellegrini has over 31 years of government service including 20 years in the military and 11 years in Federal Law Enforcement. Mike has trained law enforcement entities both in domestic and international settings. Currently, he is the Supervisor for all firearms and tactics training for a large federal law enforcement agency. Mike also teaches Marine Operations, Defensive Tactics and Drivers Training.
Derrel Martin Jr.
Derrel Martin Jr.Senior Instructor - Active Shooter Training
Derrel has joined the LionHeart Team of Security Professionals after retiring from the FBI as a Supervisory Tactical Instructor and Active Shooter Training Coordinator. In his new role, Derrel will lead LionHeart’s Active Shooter training program and coordinate our use of the MILO Range interactive training system. During his 21 years with the FBI, he served as an FBI Academy Instructor, SWAT Team member, and Criminal Case Agent.