Sometimes people feel overwhelmed with the time and patience necessary to correct a pet's problem behavior on their own. If you would like to sign up for obedience classes or want help from a certified trainer who can personally work with you and your pet you can log on to the following sites:
Humane Society of Silicon Valley Dog Training Course Catalog
The San Francisco SPCA Academy for Dog Trainers - Referral List
Association of Pet Dog Trainers
You can also download information on specific behavior problems here.