Good Work Dog!

Good Work Dog! is a dog training business in Portland, Oregon, run by Cyrus Heiduska. Cyrus holds the Certified Professional Dog Trainer, Knowledge Assessed (CPDT-KA) credential. They are a member of the Pet Professional Guild, whose members commit to training without shock, prong or choke collars. Services listed include manners and basic skills, private lessons, group classes, behavior consulting, reactivity and aggression and fear and anxiety.

At a glance

• Trainer: Cyrus Heiduska
• Credentials: CPDT-KA · PPG member
• Approach: Positive reinforcement (reward-based)
• Services: Manners and basic skills, private lessons, group classes, behavior consulting, reactivity and aggression, fear and anxiety, separation anxiety, dog sports and tricks
• Location: Portland, Oregon

Why it matters for French Bulldogs

French Bulldogs are bred as companions and many struggle when left alone. Separation anxiety needs a gradual, reward-based plan, often coached remotely, rather than crating or corrections. Read our force-free French Bulldog training guide.

Sources: the Pet Professional Guild member directory, checked October 2026. Credentials from the Pet Professional Guild directory are as the trainer lists them. Services and prices change, so confirm directly with the trainer before you book.