A "professional handler" refers to someone who is skilled and trained to manage or deal with a particular task, situation, or individual in a highly skilled and expert manner. Full definition
The experience and education of professional handlers can mean the difference between a ribbon and a trophy. (akc.org)
Although her parents have shown dogs for many years, it wasn't until they began hiring professional handlers that they began seeing bigger success. (straightpoop.com)
There you will find people willing to evaluate and also often willing to teach you how to present a dog in the ring, or recommend professional handlers. (russiandog.net)