Our Team

Run for the Wall HeaderT&R Tax Service is one of the largest tax preparation firms in the Four Corners region, with four offices to service the needs of our clients.  T&R Tax has been preparing tax returns for over 30 years.  We staff our offices year around so we can provide assistance when it is needed.

Specializing in preparing individual income tax returns, T&R Tax employs over 25 preparers in northern New Mexico and Arizona.  Our team is here for all your tax preparation needs.


Jill O’Keefe is the district manager for all T&R Tax Service offices. She began her career with T&R Tax Service as a tax return preparer and was soon promoted to office manager. Her commitment to quality and service is second to no one. She has been the district manager for the company for 11 years. Jill is an enrolled agent with the Internal Revenue Service, obtaining this difficult designation in 2002. Jill grew up in New Mexico and enjoys its diverse population and geography. She and her husband make their home in Gallup, NM.

Michelle Blair is the office supervisor of T&R’s Farmington office. In her four years of employment with T&R, Michelle has become a tremendous asset to the company. She has a bachelor’s degree in accounting and has been working in the accounting field for 20 years. During her career, she decided to focus on taxation and has specialized in preparing individual returns for the past 15 years. Michelle loves her job and especially enjoys working with clients and solving difficult tax problems. Michelle was born in California but appreciates the beauty the southwest has to offer. She resides in Farmington, NM with her husband and son.

Sally Herrera is our top veteran tax preparer.  She has been with T&R Tax since the beginning, over 30 years ago.  Sally’s best memories at T&R have been watching her clients and their families grow up.  She recalls young children coming with their grandparents to file their taxes like it was yesterday, and now their grandchildren have become her newest clients.  Over the years, Sally has been at the top of the class when it comes to keeping up with the constant changes of the industry.  She states that her job has truly been a privilege and a pleasure.  Sally was born in Gallup and continues to make her home there with her husband, kids and grandkids.

Marsherry Yazzie has been with T&R Tax Service for nearly 20 years. She enjoys the challenges that come with tax preparation and says, “Returns are as unique as the clients…” and “it’s not just a job, it’s an opportunity to help people.” The ever-changing tax preparation industry provides constant opportunities for learning, and Marsherry is up for the challenge. She has developed a reputation among both co-workers and clients as one of the most knowledgeable and helpful preparers at T&R Tax. Marsherry was born near Thoreau, NM and continues to make her home in the area.


Gordon Johnson – 11 years of tax preparation experience

Lisa Lee –10 years of tax preparation experience

Major Johnson – 10 years of tax preparation experience

Dennis O’Keefe – 14 years of tax preparation experience

Marilyn Walden – 7 years of tax preparation experience

Kim Kuhn – 5 years of tax preparation experience