Meet Our Team

David, an Arizona native, has been in the accounting industry since 1988 and is a Member of Strategic Tax & Accounting, LLC. Having earned his Enrolled Agent (E.A.) credentials, he is a federally authorized tax practitioner who is empowered by the U.S. Department of the Treasury to represent taxpayers. David passed the examination to earn his credentials on the first attempt, and he became an A.B.A., Accredited Business Accountant, by receiving the second highest score for all examinees in the country on the day of his A.B.A. exam.

David is a member of Central Arizona Chapter of Enrolled Agents (CACEA), National Society of Accountants (NSA), National Association of Tax Professionals (NATP), and is a certified Pro Advisor for QuickBooks.

In his free time, David enjoys golfing and spending time with his wife Sonja and three children, Ally, David Jr. and Christian. He is also a proud grandpa to Sophia and Giovanni -they live with their mom and dad, Ally and Michael, in PA

Tianna is an Arizona native with over a year of experience in the accounting field prior to joining the team. She is a bookkeeper that has been working with our team since August 2019 after graduating with a Bachelor's degree in Business/Business Administration from Arizona State University in May 2019.

In her spare time, Tianna enjoys spending time with her husband, David, her sister/best friend Sandradee, and her nephew/godson, Conner. She also enjoys cooking and getting festive during holidays.

Hayley has been with the firm since 2012 and has over sixteen (16) years in the public accounting field. Her primary responsibilities include accounting, financial statement compilation, and tax preparation. Hayley graduated from Macon State College & University with a Bachelor of Science in Business and Information Technology, with a concentration in Accounting. Hayley recently earned her EA in 2020.

In her spare time, Hayley enjoys spending time with her husband, David, and three children Caleb, Emma, and Ryan. She also enjoys yoga, reading, and playing golf.

Terri is a CPA and joined the firm in 2004 after owning and managing Christian & Leybeck, PC in Chandler from 1998-2003. She provides tax planning and preparation services for all entities, as well as financial statement preparation, accounting and consulting services for closely-held businesses. She specializes in estates and trusts, including compliance and tax preparation for those entities.

Terri is a member of the American Institute of Certified Public Accountants and Arizona Society of Certified Public Accountants.

In her spare time, she enjoys hiking, camping, and exploring the National Parks and the State of Arizona with her husband, as well as spending time with her kids and 7 grandkids.

Joe Sheedy is a CPA who joined the firm in 2004 after six years with Christian & Leybeck, PC in Chandler. He became certified in 1994 after spending his early career in the construction industry in Southern California. Since 2004, Joe has assisted small business clients and individuals with tax strategy consulting and their tax preparation.

In his spare time, he enjoys biking and hiking in Arizona and other western states.

Emily Tieman began her career at Strategic Tax & Accounting LLC in 2006 after interning with the company for two summers. Her primary responsibilities include QuickBooks consulting, accounting, financial statement compilation and tax return preparation.

Emily graduated from Brigham Young University - Idaho with a Bachelor of Science in Accounting and a minor in Information Systems. She received her CPA certificate in December 2009. Her achievements include “Accounting Woman of the Year” 2004 and Academic Scholarship at BYU-Idaho.

In her spare time, Emily enjoys camping, playing tennis, making crafts, and spending time with her husband and five young daughters.

Laura Williams, a Texas native who relocated from Michigan to Arizona in 1999, will be joining our firm again for tax season. She graduated from Austin College in Sherman, Texas with a BA in Accounting.

After college, Laura worked in banking, then as a bank auditor for a CPA firm, and in private accounting for retail businesses. She dedicated the next 20 years to raising her 3 sons before joining Strategic Tax & Accounting LLC in 2010 during tax season.

Laura enjoys running, working out, reading, needlework, movies, and spending time with her husband and sons.

Rebecca Byers joined Strategic Tax & Accounting LLC in August 2018. She is a certified bookkeeper with over 3 years of experience. Rebecca relocated from Tucson where she worked with a local CPA firm who specialized in franchise accounting for a well-known fast food chain. Rebecca has a Bachelor of Science in Biology from Tulane University as well as an Associate of Arts in Business Administration from Pima Community College.

In her spare time, Rebecca enjoys spending time with her husband, Brien, and their three children. She also enjoys cross stitch, embroidery, baking and playing the banjo.

Anna Rivera-John who grew up in Mesa, AZ has joined our team in 2018. With over 5 years of experience at a CPA office and over 25 years of experience specializing in accounting, payroll and sales tax.

Katherine joined Strategic Tax & Accounting, LLC in 2019 as the practice administrator. She was born in San Diego but moved to Anthem, Arizona in 2005. Since then, Katherine has moved all around the Tempe/Chandler area and currently resides in Mesa, AZ. She graduated Summa Cum Laude from Arizona State University in 2015 with a bachelor's degree in psychology. Katherine then went on to graduate with her Master of Science in Leadership and Emergency Management from Grand Canyon University in 2018.

Katherine likes to read, watch Disney movies, and hang out with her 3 cats and nephew in her spare time.

Michelle began working for Strategic Tax & Accounting as a seasonal administrative assistant in 2021. Previously, she worked for an accounting firm for four years. She is originally from Utah, and moved to Arizona in 2014. She is pursuing a degree in Applied Business Administration from Brigham Young University - Idaho and will graduate in July 2021.

In her spare time, Michelle enjoys reading and spending time with her six kids.