· California Contractor’s License C-61/D16, C61/D28 C28.
                  (Doors, locks, safes, automatic doors, access control, electric door control devices)

· California Bureau of Investigative Services Locksmith Registration

· American Association of Automatic Door Manufacturers (AAADM) Associate.

· Over 40 feature articles published in security and locksmith trade magazines.

· Hold 8 patents on life safety and door control designs.

· International business experience.

· Trainer, guest speaker.

· Expert witness/consultant.
Dick Zunkel, Consultant