In the heart of New York City, where busy streets and buzzing parks are part of everyday life, Nathaniel DiRenzo is helping dogs and their humans thrive.

If you've ever found yourself Googling “how to stop my dog from barking at the mailman” or “why does my puppy eat everything in sight,” you're not alone.

Crate training is one of the most effective tools for building structure, confidence, and good habits in dogs—when done correctly.