Aaron Saiewitz, Ph.D., CPA, is a professor and UNLV Accounting Alumni Faculty Fellow in the Department of Accounting at UNLV's Lee Business School. He primarily teaches undergraduate and graduate courses on auditing and assurance services and has received multiple teaching awards, including the UNLV Foundation Distinguished Teaching Award. 

Saiewitz uses experiments, surveys, and interviews to research how financial statement auditors obtain and evaluate evidence, with an emphasis on auditor-client communication, technology, and professional skepticism. He is recognized as an expert in auditor-client communication research, receiving a best paper award for a publication on research methods in this area and multiple invitations to serve on national conference panels focused on research innovation. His research has been published in Accounting, Organizations and Society; Contemporary Accounting Research; Auditing: A Journal of Practice & Theory; Accounting Horizons; Behavioral Research in Accounting; Current Issues in Auditing; IEEE Intelligent Systems; and Journal of Emerging Technologies in Accounting. He is an alumnus of the AICPA Foundation’s Accounting Doctoral Scholars (ADS) Program and has received research grants from the Center for Audit Quality (CAQ) and the Troesh Center for Entrepreneurship and Innovation.

Saiewitz contributes significant service to UNLV and the broader academic community. Externally, he served as the elected president of the Accounting Behavior and Organizations (ABO) section of the American Accounting Association (AAA), organized national conferences for the Auditing Section of the AAA, and serves on the Editorial Advisory and Review Boards for Auditing: A Journal of Practice & Theory and Current Issues in Auditing. Within UNLV, he chairs the Lee Business School and Department of Accounting undergraduate curriculum committees, leading major curriculum revisions, and coordinates the department's research workshop series.  

He earned his Ph.D. in accounting from the University of Massachusetts Amherst and his B.S. in accounting from Fairleigh Dickinson University. Prior to entering academia, Saiewitz was a director at a regional CPA firm in New Jersey, specializing in audits of mid-size closely-held businesses and aided emerging pre-IPO companies with their financial reporting. He was also heavily involved in transactional work, primarily sell-side M&A engagements for privately-held companies. He began his auditing career at Arthur Andersen in the firm’s Enterprise Group, working on audits of casinos and companies preparing for IPOs.

Saiewitz is a Certified Public Accountant licensed in Nevada and New Jersey.