Terry was a tax law specialist in the Employee Plans Technical and Actuarial Division in the national office of the IRS with responsibility for issuing opinion letters on master and prototype plans compliance of legal regulations and for regulatory and technical questions regarding the application of law in the form of issuing private letter rulings and general information letters. She instructed and trained other tax law specialists and revenue agents in employee plan matters, including the auditing of qualified plans. She was also a manager in the IRS District Office, Income Tax Examination Division where she held the position of classroom and on-the-job instructor.