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Diane R. Hayes, CPA
Tax Director



Direct Line 480-294-6807
Fax 480-294-6837
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Diane joined Mansperger Patterson & McMullin, PLC in January 2005.

Diane began her career with KPMG, LLP in Woodland Hills, CA in 1994.  While at KPMG in Woodland Hills Diane provided tax services to clients that specialized in manufacturing and retail services.  In 1997, Diane transferred to the Phoenix office.  During her time in the Phoenix office, Diane continued servicing retail clients.  In addition, she also expanded her technical skills in financial services, real estate development, homebuilding, construction, transportation, auto dealerships and the high-tech arena.  She brings over eleven years experience from KPMG, LLP where she managed tax engagements for both public and private companies. Diane manages the firms tax clients and provides superior service to our clients.


Education Bachelor of Science in Accounting from Nevada, Las Vegas.

Professional Certifications Member of AICPA and Arizona Society of Certified Public Accountants.

Hobbies Diane enjoys spending time with family, scrapbooking and spending time at the lake.

Birthplace Tucson, AZ