Topic Advisors are Community Volunteers who use their proficiency in a specific subject matter to help users get answers to their questions, and assist new users of Experts Exchange. They were previously known as Zone Advisors, so you’ll sometimes see “ZA” or “TA” as abbreviations.
Topic Advisors are selected based on their demonstrated knowledge and skill in a certain subject matter.
They monitor activity in their individual topics of expertise and help ensure the accuracy of answers found there.
You can find a list of Topic Advisors here.