“Sophie will leave behind no paw prints, only trails of human smiles, happiness, hope, and love.” 

(quote from the book, “Invisible Paw Prints”) 

Rob's cell phone:


invisible paw prints



Become the called-on organization to provide therapy dog assistance to various communities throughout the United States today, tomorrow, and into the future. 

Invisible Paw Prints, Inc., is an organization led by compassionate volunteers who use their canine companions to provide heartwarming visits in support of local community organizations. 

Sophie the rescued ten-year-old Border Collie has been CEO & Founder Rob Kortus' inspiration to not only write his first book (Invisible Paw Prints) about their wonderful therapy dog team journey but also to start his first non-profit therapy dog testing and registry, Invisible Paw Prints, Inc. A portion of book sales goes to the Humane Society of Charlotte (no-kill shelter).

So, embark on a wonderful volunteer journey supporting your local community! You will quickly realize how you and your therapy dog can make a significant difference in people's lives!

Invisible Paw Prints, Inc. is an approved IRS 501(c)(3) non-profit public charity organization incorporated in the USA and founded by Rob Kortus in 2016. We are a 100% volunteer organization. We receive no salaries. All donations are put back into the organization. All membership fees and/or donations are tax deductible.