Crystal McDuffie, EA
The STA staff is under the management and direction of Crystal L. McDuffie, EA who is principal and owner of STA. Crystal grew up in small business, has 20 years of accounting experience, and holds a Bachelor’s degree in Accounting from East Tennessee State University. Crystal is certified to practice before the Internal Revenue Service as an Enrolled Agent and is a certified QuickBooks Pro Advisor.
Judy has several years experience working with STA as a Customer Service Representative. Although she works primarily during the busy tax season, she often assists the staff throughout the year. Her smiling face will be greeting you when you enter our office as she monitors schedules and serves our tax clients.
Roxanne has over 21 years of various accounting experience. She most recently served as Payroll Manager for a non-profit college and previously worked as Office & Credit Manager for a large food distribution warehouse. Roxanne attended East Tennessee State University where she majored in Business. Roxanne is a QuickBooks Pro Advisor as well.
Wrenda has over 11 years of accounting experience. She has a Bachelor’s Degree in Accounting with a minor in Business. She serves our clients in tax preparation, general accounting services, and payroll. Having previously worked with non-profit entities, Wrenda has a specific emphasis on serving our not-for-profit clients.
Kathy, originally from Maine, has a wide variety of experience in several types of businesses including business startups, bookkeeping, and contractor’s board service. Kathy worked with us in a temporary position on several projects and we were happy to welcome her to the STA family last year as an associate.
Stephen C. Stanfield
Mr. Stanfield was a founding partner of Stanfield, Thomas & Associates in 1988. STA was owned and managed by Mr. Stanfield until his passing in October 2019. He had over 35 years of financial and tax experience and spoke widely on non-profit issues. Mr. Stanfield graduated from ETSU in 1978 and had post-graduate studies with the Wharton School of the University of Pennsylvania. He served as an adjunct instructor at ETSU and NESTCC as well as serving on various non-profit boards and as Treasurer of a local United Way and Credit Union. Mr. Stanfield was certified to practice before the Internal Revenue Service as an Enrolled Agent.