--- title: "Client Success Story: Improving Nico’s Reactivity | Koru K9" description: Nico, a rescue dog with leash reactivity and dog aggression, found calm & control with Koru K9’s holistic training. Learn how he overcame these challenges. image: https://www.koruk9.com/hubfs/koru-k9-2026/blog/blog11.webp --- ★★★★★  4.9 from 1,200+ client reviews Balanced dog training since 2013 · Serving 7 states across the US Call us: [415-583-5412](tel:4155835412) [![Koru K9 — Train to Transform](https://www.koruk9.com/hs-fs/hubfs/koru-k9-2026/logo-dark.png?width=311&height=91&name=logo-dark.png)](https://www.koruk9.com/) [Services ▾](https://www.koruk9.com/dog-training-services) [All Services](https://www.koruk9.com/dog-training-services) [Board & Train](https://www.koruk9.com/dog-training-services/board-train) [In-Home Training](https://www.koruk9.com/dog-training-services/private-in-home-training) [Hybrid Training](https://www.koruk9.com/dog-training-services/hybrid-training) [Puppy Training](https://www.koruk9.com/dog-training-services/puppy-training) [LunaDog AI — Online](https://www.koruk9.com/lunadogai-dog-training-app) [Locations ▾](https://www.koruk9.com/dog-trainer-locations) [All Locations](https://www.koruk9.com/dog-trainer-locations) [California](https://www.koruk9.com/dog-trainer-locations/california) [Washington](https://www.koruk9.com/dog-trainer-locations/washington) [Oregon](https://www.koruk9.com/dog-trainer-locations/oregon) [Colorado](https://www.koruk9.com/dog-trainer-locations/colorado) [Texas](https://www.koruk9.com/dog-trainer-locations/texas) [South Carolina](https://www.koruk9.com/dog-trainer-locations/south-carolina) [North Carolina](https://www.koruk9.com/dog-trainer-locations/north-carolina) [Guides](https://www.koruk9.com/guides) [About ▾](https://www.koruk9.com/about-us) [About Us](https://www.koruk9.com/about-us) [Our Method](https://www.koruk9.com/about-us/our-method) [Our Team](https://www.koruk9.com/about-us/our-team) [Testimonials](https://www.koruk9.com/about-us/testimonials) [FAQs](https://www.koruk9.com/about-us/faqs) [Careers](https://www.koruk9.com/careers) [Contact](https://www.koruk9.com/contact-us) [Blog](https://www.koruk9.com/blog) [Trainer School](https://www.koruk9.com/become-a-trainer) [415-583-5412](tel:4155835412) [Book a Consultation](https://www.koruk9.com/contact-us) [Home](https://www.koruk9.com/)›[Blog](https://www.koruk9.com/blog)›Meet Julia and Nico Success Stories # Meet Julia and Nico By **Bridget Murphy** ·Published **Oct 29, 2013** ·3 min read #### In this article ## **From Chaos to Calm: Nico the Rescue Dog's Transformation** When Julia rescued Nico, she knew it wouldn’t be easy—but she didn’t expect *this*. Nico’s behavior was overwhelming: reactivity at the dog park, [lunging on leash](https://www.koruk9.com/understanding-leash-reactivity-in-dogs/), and [aggression](https://www.koruk9.com/understanding-aggression-in-dogs/) toward visitors in the home. Julia hoped things might improve on their own, but with behavior issues, that’s rarely the case. That’s when she reached out to **[Koru K9 Dog Training & Rehabilitation](https://www.koruk9.com/)**—referred by our trusted friends at Bay Area German Shepherd Rescue. Four weeks into her journey with Nico, Julia was feeling hopeless and unsure if they were the right match. Fast forward to today? Their bond is unbreakable, and Nico is thriving. ### Understanding the Root of the Problem Nico’s behavior stemmed from fear and insecurity, made worse by an unstructured home environment—something we see often with new rescues. At **[Koru K9](https://www.koruk9.com/)**, our approach to **[aggressive and reactive dog training](https://www.koruk9.com/about-us/our-method/)** begins in the home. Before tackling the external triggers, we focus on clear communication, structure, and leadership—key ingredients for lasting behavioral change. We worked with Julia to implement consistent rules and routines in the home, while introducing proper [**leash handling techniques**](https://www.koruk9.com/how-to-train-a-reactive-dog-guidance-from-professionals/). Nico learned foundational obedience using **[marker training](https://www.koruk9.com/clicker-training-for-dogs-what-it-is-how-it-works/)**, which not only helped him understand expectations but also boosted his confidence and deepened his connection with Julia. ### Real-World Success, One Command at a Time One of Nico’s biggest milestones? Learning the **[“place” command](https://www.koruk9.com/teach-your-dog-a-place-command/)**. Now, when the doorbell rings, he calmly goes to his spot and waits to be released. No more barking. No more chaos. Even Ray—who experienced Nico’s aggression firsthand—was amazed by the transformation. In our latest training session, we addressed the final piece of the puzzle: lingering **leash reactivity**. Using mutually exclusive behaviors like “leave it” and “look,” we rewired Nico’s response to triggers. Our own dogs, Nero and Luna, joined in to support a structured desensitization session—something we frequently do to help client dogs succeed around other dogs in a safe, calm environment. By the end of the session, Nico sat between two dogs, relaxed and focused. No tension. No barking. Just progress. ### A Happy Ending—and a Stronger Bond After a tough start, Nico now curls up in Julia’s arms, tail wagging and heart at ease. Their relationship has blossomed thanks to the structure, guidance, and support that Koru K9 provides. Julia no longer wonders if they’re a good match—she knows they are. If you’re struggling with similar issues—whether it’s reactivity, aggression, fear, or anxiety—**[Koru K9 can help](https://www.koruk9.com/contact-us)**. We offer **[in-home training](https://www.koruk9.com/dog-training-services/private-in-home-training/)**, **[board and train programs](https://www.koruk9.com/dog-training-services/board-train/)**, and [hybrid](https://www.koruk9.com/dog-training-services/hybrid-training/) options tailored to your dog’s needs. **Ready to transform your dog’s behavior? [Contact us today](https://www.koruk9.com/contact-us)** and let’s start your journey to a calmer, more balanced life—together. ## Like this post? ### Share Know someone who would like this content? Send this post to them or share it to your feed. [mailto:?subject=Meet+Julia+and+Nico&body=I%20saw%20this%20and%20thought%20of%20you!%20https%3A%2F%2Fwww.koruk9.com%2Fblog%2Fmeet-julia-and-nico](mailto:?subject=Meet+Julia+and+Nico&body=I%20saw%20this%20and%20thought%20of%20you!%20https%3A%2F%2Fwww.koruk9.com%2Fblog%2Fmeet-julia-and-nico) ### Follow us today - [@koruk9](https://www.instagram.com/koruk9/) - [@KoruK9](https://x.com/koruk9) - [@KoruK9](https://www.facebook.com/koruk9/) - [Koru K9 Dog Training + Rehabilitation](https://www.youtube.com/c/koruk9) ## The programs mentioned in this article ### [In-Home Dog Training Coaching inside your everyday environment, for mild to moderate behavior issues. Explore In-Home Training →](https://www.koruk9.com/dog-training-services/private-in-home-training) ### [Board & Train More structure and consistency than weekly lessons can realistically provide. Explore Board & Train →](https://www.koruk9.com/dog-training-services/board-train) ### [Hybrid Training Immersive trainer time plus private coaching, for the in-between cases. Explore Hybrid Training →](https://www.koruk9.com/dog-training-services/hybrid-training) ## Ready to start your dog's transformation? Book a free 30-minute consultation. We'll talk through your dog, your goals and which program fits. [Book a Free Consultation →](https://www.koruk9.com/contact-us) [415-583-5412](tel:4155835412) [![Koru K9 — Train to Transform](https://www.koruk9.com/hubfs/koru-k9-2026/logo-cream.png)](https://www.koruk9.com/) **Koru K9 Dog Training & Rehabilitation** 455 Market St Ste 1940, PMB 999798 San Francisco, CA 94105-2448 [415-583-5412](tel:4155835412) · [woof@koruk9.com](mailto:woof@koruk9.com) Office Hours: Monday–Friday 8am–5pm PST #### Services [Board & Train](https://www.koruk9.com/dog-training-services/board-train) [In-Home Training](https://www.koruk9.com/dog-training-services/private-in-home-training) [Hybrid Training](https://www.koruk9.com/dog-training-services/hybrid-training) [Puppy Training](https://www.koruk9.com/dog-training-services/puppy-training) [LunaDog AI — Online](https://www.koruk9.com/lunadogai-dog-training-app) #### Locations [California](https://www.koruk9.com/dog-trainer-locations/california) [Washington](https://www.koruk9.com/dog-trainer-locations/washington) [Oregon](https://www.koruk9.com/dog-trainer-locations/oregon) [Colorado](https://www.koruk9.com/dog-trainer-locations/colorado) [Texas](https://www.koruk9.com/dog-trainer-locations/texas) [South Carolina](https://www.koruk9.com/dog-trainer-locations/south-carolina) [North Carolina](https://www.koruk9.com/dog-trainer-locations/north-carolina) [All locations →](https://www.koruk9.com/dog-trainer-locations) #### Resources [Behavior Guides](https://www.koruk9.com/guides) [Blog](https://www.koruk9.com/blog) [FAQs](https://www.koruk9.com/about-us/faqs) [Become a Trainer](https://www.koruk9.com/become-a-trainer) [Careers](https://www.koruk9.com/careers) [Contact](https://www.koruk9.com/contact-us) © 2026 Koru K9 Dog Training & Rehabilitation. 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