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Rafi Efrat, J.D., J.S.M,  J.S.D.

Director, MPAcc Program, Bookstein Chair in Taxation, Professor, Department of Accounting and Information Systems

After becoming a Certified Public Accountant in the state of Illinois in 1990, Dr. Efrat obtained his law degree from the University of Southern California. He practiced law for five years, including a period of time at EY tax practice. Dr. Efrat then became a Teaching Fellow at Stanford Law School, where he taught legal research and writing. He subsequently obtained a master's in law and a doctor of science of law degree from Stanford Law School. Dr. Efrat is the recipient of the university's Preeminent Scholarly Publication Award in 2004, Extraordinary Service Award in 2008, the Professor of the Year Award in the Accounting Program in 2009, the Community Engagement Visionary Award in 2010, the Distinguished Teaching Award in 2013, the University Research Fellow in 2013, the Outstanding Educator Award by the California Society of CPAs in 2014, co-recipient of the Outstanding Professor of the Year Award in the MS in Taxation Program in 2015, and the Outstanding Faculty Award at CSUN in 2015. He joined the faculty of CSUN in 1999. He teaches ACCT 600: Federal Taxation of Individuals and Property Transactions.


Bernice Kramer, MS in Accountancy, CPA

Professor Kramer has 11 years of combined public and private industry accounting experience.  While working as an auditor with a Big 4 Firm, Professor Kramer regularly instructed training courses for staff through seniors and presented industry updates to executives (managers through partners).  She was also formerly part of the controller group of a Fortune 500 company, at which she conducted online global trainings for controllers in US, Europe, and Asia and authored training materials and presentations on accounting policies and procedure changes and system implementations.  

Professor Kramer obtained her Bachelor of Science and Master of Science in Accountancy from CSU Northridge. She teaches Professional Ethics in the MPAcc Program. 

David M. Primes,  M.S. Accounting, CPA, CITP

Professor Primes obtained his Bachelor of Science in Accounting and Master of Science in Accountancy from California State University, Northridge. He has over 35 years as a CPA and is experienced in accounting information systems, client service and technology for the practice of public accounting. Professor Primes, who serves as the technology leader at Sobul, Primes & Schenkel, is also a Certified Information Technology Professional. He previously served on the Boards of the California Society of Certified Public Accountants (CalCPA) and Education Foundation. He teaches Accounting Information Systems in the MPAcc Program.


Rob Razani, M.S. Taxation, CPA

Professor Razani has worked for the Internal Revenue Service as a Revenue Agent for over 23 years. He currently works as a subject matter expert in the Corporate Distributions and Adjustments Issue Practice Group, where he provides guidance to IRS internal stakeholders on corporate and M&A transactions. His experience with the IRS includes over 14 years as a Senior Team Coordinator in the Large Business and International (LB&I) Division of the IRS, coordinating the tax examination of some of the nation's largest multinational public corporations. Professor Razani has extensive experience conducting trainings within the IRS, as well as teaching CPA review courses. Professor Razani earned his Bachelor of Science in Accounting from San Diego State University and his Master of Science in Taxation from California State, Northridge. He teaches Federal Taxation of Entities in the MPAcc Program.


Keji Chen, PhD

Dr. Keji Chen is an associate professor at California State University, Northridge, and serves as a faculty advisor to the CSUN Accounting Association.  He obtained his Ph. D. in Accounting and Management Information Systems from the Ohio State University.  Prior to joining Cal State Northridge, he taught at the University of Alabama and University of Washington – Bothell.  His research interest is empirically examining the relation and implication between accounting information and the capital market.  He has taught courses such as Accounting-Based Valuation, Intermediate Accounting, Introductory Financial Accounting and Introductory Managerial Accounting.  Dr. Chen was voted the Accounting Professor of the Year twice at Cal State Northridge.

Earl Weiss, M.S., J.D.

Professor Emeritus Weiss joined the CSUN faculty in 1984. He has extensive professional experience as an attorney in higher education and as a CPA in public accounting with what is now the firm EY. At CSUN, Professor Weiss held the positions of Special Assistant to the President for six years as legal and policy advisor, Associate Dean of the David Nazarian College of Business and Economics for three years, and Chair of the Department of Accounting and Information Systems for six years. Professor Weiss teaches the Accounting Boot Camp.


Sung Wook Yoon, PhD, CPA (CO)

Dr. Yoon received his Ph.D. and MS in Accounting from the University of Colorado.  His current research interests include financial accounting issues in capital markets, international accounting issues including IFRS, and accounting education. He joined the faculty of CSUN in 2007. He teaches in the MPAcc Program Accounting for Government and Non-Profit Entities, as well as Financial Accounting Reporting III.