Zack, the Founder of Zack's Pack K9, embarked on his journey into dog training in 2018 when he relocated to Puerto Rico and began volunteering at local shelters.

Zack, the Founder of Zack's Pack K9, embarked on his journey into dog training in 2018 when he relocated to Puerto Rico and began volunteering at local shelters. Witnessing the number of dogs left behind or returned due to behavior issues sparked his curiosity and led him down a path of extensive research. He delved into various training methods, experimenting and learning to find what truly works.