Dr. Ian Dunbar is a veterinarian and dog trainer residing in Berkeley, CA. He is also the founder of the Association of Pet Dog Trainers, and is renowned for his Sirius Puppy Training program, which he describes in his popular books and instructional videos.
The best alternative I’ve ever seen to rehoming dogs through shelters is called a home-to-home model. A new and ideal name for what rescue groups have been doing forever.