About Us

McCauley, Nicholson & Preder CPAs was originally started by Dianne McCauley (formerly Nicholson) in 1987. Since then, the firm has garnered a reputable history and has built generations worth of loyalty, trust, and mutual success.

The Team

Dianne J McCauley, CPA/ABV/CFF
Dianne graduated from Brigham Young University with a degree in Accounting in 1983. Immediately thereafter, she began her graduate studies at Arizona State University, where she was recruited in that same year by Arthur Andersen LLP to work in their tax department. Dianne’’s emphasis has always been in taxes, and she specializes in small business strategies and tax planning and preparation for both businesses and individuals. Dianne has spent the last 30 years assisting small businesses and individuals with strategies to maximize their financial goals. Moreover, because of her extensive experience and knowledge of tax law, on numerous occasions, Dianne has been asked to serve as an expert witness and Trial Consultant in matters of Forensic Accounting and Business Valuation. Dianne is also accredited in Business Valuation and certified in Financial Forensics through the American Institute of Certified Public Accountants.

Lori S Preder, CPA/MBA
Lori earned a Bachelor of Science in Education at the University of Wisconsin-Lacrosse in 1986 and a Master’s Degree in Business Administration at Arizona State University in 1991. Lori has been a CPA since 1991. She began her career as an Auditor with the State of Arizona Auditor General’s Office and transitioned into the healthcare industry, where she entered as an Accountant for a national health plan and exited as a Director of Accounting for a major hospital organization. Throughout her years in industry, Lori fueled her interest in tax by moonlighting in tax preparation. After a tax season at one of Arizona’s largest public accounting firms, Lori joined Dianne in 2006 and became a shareholder in 2009. Lori specializes in individual tax preparation and planning as well as new business (LLC) start-ups. Lori’s experience in education along with her expertise in tax and accounting make a perfect combination for helping the firm’s clients with a wide range of consulting, planning, accounting, and tax issues.

Donna J Ulmer

Donna originally joined the firm one year after it was formed in 1988. She remained with McCauley, Nicholson & Preder for the next ten years until she left to be a controller for a construction company. Donna returned to the firm in 2010 and specializes in accounting, sales tax and payroll with over 25 years of experience.

Sarah W Johnson
Sarah is a graduate from the W.P. Carey School of Business at Arizona State University with a degree in marketing. She joined McCauley, Nicholson & Preder in February, 2010 to help with the tax season and was promoted to a staff accountant immediately after that. Sarah is currently preparing for the CPA exam.

Sara J Birdsong

Sara is a recent graduate from Grand Canyon University with a degree in Accounting . She has been a staff accountant with McCauley, Nicholson & Preder since February, 2014. She is currently preparing for the CPA exam.

Christy L Scoresby
Christy joined McCauley Nicholson & Preder in August, 2014 as the firm’s receptionist. She was promoted to a staff accountant in May 2015.

Cathy Smith

Cathy joined the firm in August 2016 as the firm’s receptionist.

Ann Chadwick

Ann has a Bachelor of Science degree from Creighton University in Omaha, Nebraska.  After a career in the healthcare industry, Ann became an Enrolled Agent in 2017.  She joined McCauley, Nicholson & Preder in December 2017, where she works in the Tax Preparation and Bookkeeping departments.

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