About Plains Horizon Equine Insurance

Plains Horizon Equine Insurance is founded upon years of experience in the horse insurance industry. Our focus in on the relationships we build with you. We build trust with our customers, one at a time, through an understanding of their business and individual needs. Plains Horizon offers you a trusted partner in addition to a dedicated equine insurance professional.

About the Owner & Agents

Marvin Tavarez, Jr.
Marvin has been in the horse insurance business for over 14 years. He was raised with horses and understands the equine industry.

He is actively involved in the AQHA and PRCA and attends many equine related events throughout the year.

Ali Shiozawa
Ali has been working in the equine insurance industry for the past three years. She was raised on a horse and cattle ranch in south central Idaho and grew up in the rodeo arena.

Ali stays active in the industry as she travels with her husband, PRCA Tie-Down Roper Matt Shiozawa, and their daughter, Stella, to numerous rodeos across the country.

Stephanie Stefanic
Stephanie has been involved in the equine industry for many years. Her love of horses has lead her to ride and show in many different disciplines including reining, barrel racing, hunt seat, saddle seat, dressage, jumping, competitive trail and gaited horses.

Stephanie's diverse background includes horse ownership, showing in multiple disciplines and working for a horse regulatory association at the Kentucky Horse Park. She has 2 Masters degrees and is committed to excellence. Along with her husband, Stephanie hopes to pass on this love and respect of horses to her daughter, Adalynn Grace.