I own an eight month old doberman. He has separation anxiety, jumps up, climbs fences, gobbles food, and has no manners. Any training school recommendations?

I am the proud owner of an eight month old black and tan Doberman, He is one of my own puppies. I have raised him from day one and that is the problem. I chose to keep him and to sell the other pups along with the mother. Well that was the first problem. I have babied him entirely too much. He has great drive with no understanding of punishment. His drive is to get to me. He has separation anxiety, jumps up, climbs fences, gobbles food, and has no manners. I have no patience with an unruly dog. So I am looking for an excellent training school I can send him to. I have been looking at training school but am looking for the best available. I want on and off leash commands. Please help me. I didn't know whether your kennel still offered in kennel training.