After graduating from High School Dave enlisted in the US Navy, graduated from Basic Underwater Demolition school and Army Airborne training. Dave was stationed with Seal Team 8, where he earned his SEAL designation and was later selected to be a SEAL Instructor. After 10 years of service, and a young family Dave honorably left the service. Dave Mantz has over 15 years experience as a Realtor and 17 years experience as a Certified Real Estate Appraiser in Broward, Palm Beach and Miami Dade county.