The term 'Gregg Experts' refers to a group of highly trained professionals who specialize in the use of the Gregg shorthand system. They are often employed as stenographers, which is a profession that involves taking dictation and transcribing it into written form. Stenographers must have a high level of accuracy and speed in order to accurately capture spoken words and convert them into written form. Gregg Experts are highly sought after for their expertise in the Gregg shorthand system, which is a system of writing that uses symbols to represent words and phrases.