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Our Leadership Team


Dr. Jason Nicholas – aka "Dr. J" (with Sasha)
President & Chief Medical Officer

I'm on a mission – a mission to help you and your pets! As a veterinarian, I'm obsessed with and dedicated to helping you keep your pets safe, healthy, and out of harm’s way. My goal is to help you achieve a long, happy, healthy, and fun life for your pets.

I launched Preventive Vet in 2011 because of the many heartbreaking cases I had been seeing in the clinic and in the ER. Loving, responsible pet owners arrived distraught, financially stressed, and (often) guilt-ridden, at all hours of the day and night, with their pets suffering in distress and in pain.

More About Dr. J

  1. It goes without saying that Dr. J is a dog-and-cat lover. He's also a devoted husband and father of two young girls.

  2. Furry family members: Wendy the dog, and Smudge the cat. Both rescues.

  3. Dr. J is a leading pet safety expert and author, and regularly appears on television and in the media as the face (and heart) of Preventive Vet.

  4. Formal Training & Education
    B.S. in Animal Biological Sciences – Penn State University (We Are!)
    BVetMed (Hons) – The Royal Veterinary College, London, England
    Internship – The Animal Medical Center, New York, NY

  5. Professional Society Memberships & Non-Profit Affiliations
    Portland Veterinary Medical Association - Exec. Board, 2013-present
    Oregon Veterinary Medical Association
    American Veterinary Medical Association
    Veterinary Emergency and Critical Care Society

Many of the illnesses, injuries, and pet emergencies we veterinarians see and treat on a daily basis can often be easily prevented. I knew that a change in approach - both for myself and for the entire profession - would be necessary to achieve this.

Preventive Vet is that change. A change in focus – from treating pet illnesses and emergencies to working to prevent them. It's about fun, easy-to-understand education and awareness that provides value.

I oversee all of our content so you can rest assured it's medically accurate and isn't trying to sell you something. Our only "sales pitch" is trying to get you to recognize warning signs early so your pet doesn't suffer needlessly. Catching illnesses early and knowing how to avoid common (and not-so common) dangers helps your pet stay healthy, live longer and helps you avoid a boat-load of stress and extra expense.

I couldn't be more proud of the work we are doing here, and I couldn't be more excited about the change we are creating. The emails and comments we receive on a daily basis reaffirm that we are changing the face of pet care – and improving the world! 



Anne Tomsic (with Beau)
Chief Executive Officer

I’ve been a content and brand strategist most of my career but nothing has been more gratifying than collaborating with Dr. J to build Preventive Vet. We’re helping pet owners by providing them with a high quality, trusted resource for pet health and safety information.

There is so much pet-specific content online that isn't well-researched, or it's written by someone who's paid to pitch a product or boost the advertising on its site, and sometimes that information is just plain wrong or lacking in substance. This 'mis-information' or lack of information could mean life or death for your pet, or at the very least the difference between a quick visit to your vet or prolonged suffering for your cat or dog. We think that needs to stop. Our content is medically accurate, thoroughly vetted, and unbiased. We think you deserve that. Transparency and integrity are important to us.

More About Anne

  1. Prior to co-founding Preventive Vet with Dr. J, Anne was VP of Brand and Communication at Trupanion, and prior to that she owned her own corporate marketing agency

  2. Furry family members: For now.... Daisy, a 12-year old rescued toy poodle. (Beau, pictured above, lived to the ripe young age of 15 1/2. He's missed every single day.)

  3. Formal Training & Education
    Bachelor's Degree (Radio & Television), Ryerson University, Canada

  4. Volunteer & Non-Profit Affiliations
    Mentor at Young Women Empowered
    Emeritus Board Member Nightwood Theatre

The stories we receive daily and comments on our site like, "Thank you for this article, if not for this my cat would probably be dead," help to confirm that we’re making a difference.

Over the last 20+ years of my career (ah!! who's counting?) I’ve built brands, created marketing content that helped sell millions of dollars in product and services but I’ve never helped “save a life” before. What we're accomplishing is very rewarding.

"Alone we can do so little; together we can do so much."
– Helen Keller

"Animals are such agreeable friends – they ask no questions;
they pass no criticisms."
– Mary Ann Evans