Pet University, otherwise known as PetU, serves as a resource for everything dog related that can improve the bond between owners and their K9 companions.

Our family owned company is built on our “extended family” of satisfied clients who can’t wait to go out and enjoy life’s activities with their dogs.

Meet The Staff!

Dennis Trzcinski

Dennis Trzcinski

Owner and Master Trainer

Dennis has often been referred to as the trainer who can help when all hope was gone. Word of his gift to train “last chance” dogs spread quickly among friends and neighbors, and his lifelong passion for helping dogs spurred the opening of PetU Milwaukee with his wife, Angela in 2012.

Dennis is a certified Canine Behavior and Training Specialist, with over 20 years of experience in disciplines including: AKC titles, Basic Obedience, Behavior Modification, Personal Protection, Police Canines, and Schutzhund. He has received training certifications through both the American Working Dog Association in Patrol and Narcotics, and Service Dogs of America. He lives with his wife Angela, their 3 boys, and their German Shepherds.

Angela Trzcinski

Angela Trzcinski


Angela works in every aspect of the business at PetU Milwaukee and PetU Racine to make sure that “K9 Higher Education” shows through to the PetU family every day. She works hard to help every dog and owner be the best team they can be.

Angela has a passion for educating people about proper dog nutrition and safe dog toys, making sure the campus stores are stocked with only the items she and Dennis personally recommend. Angela lives with her husband Dennis and their 3 boys, and their German Shepherds.

Mission Statement

PetU is a family-owned, K9 Higher Education facility that offers dog training, daycare, boarding grooming and a campus store – all with education at the core.

We provide a solid foundation of training , socialization and nutrition to help dogs and their owners be the best team they can be.

Our knowledgeable, courteous staff embrace a commitment to excellence in K9 Education. We take price in maintaining a safe, healthy, clean and FUN environment.

The Staff

We have a select number of trained staff members who get to know your dog and treat them like part of the family. Check out our PetU Facebook page for pictures of the staff working with the dogs!

Maybe You?

Are you interested in working at PetU? Fill out this application and either email it or drop it off in person.