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Stephen G. Ryan

Stephen G. Ryan

Joined Stern 1990

Leonard N. Stern School of Business
Kaufman Management Center
44 West Fourth Street, 10-73
New York, NY 10012

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Stephen G. Ryan is the Vincent C. Ross Professor of Accounting at New York University Stern School of Business. Professor Ryan teaches Accounting for Financial Instruments in the MS in Accounting program as well as in the doctoral program.

Professor Ryan has been at Stern since 1990. His primary research areas include accounting measurement, accounting-based valuation and risk assessment, and financial reporting by financial institutions and for financial instruments. Professor Ryan has published in numerous journals including The Accounting Review, Journal of Accounting and Economics, Journal of Accounting Research, Management Science, and the Review of Accounting Studies. He is also the author of Financial Instruments and Institutions: Accounting and Disclosure Rules, first edition (John Wiley & Sons, 2002) and second edition (John Wiley & Sons, 2007). Before joining Stern, Professor Ryan worked at Yale School of Organization and Management and Bain and Company.

Professor Ryan is actively involved in financial accounting standards setting. He has served on the Financial Accounting Standards Board's Liabilities and Equity Resource and Financial Institutions Advisory groups and the Financial Accounting Standards Advisory Council, the advisory body for the Financial Accounting Standards Board. He has also previously chaired the American Accounting Association's Financial Accounting Standards and Financial Reporting Issues Conference committees.

Professor Ryan served on the Federal Reserve Bank of New York’s Financial Advisory Roundtable from 2012-2018. He served as the editor of the Review of Accounting Studies from 2006-2011 and currently serves as a guest editor for the Journal of Accounting Research.

Professor Ryan received his Bachelor of Arts from Dartmouth College and his Doctor of Philosophy in business from Stanford University.

Research Interests

  • Accounting measurement
  • Accounting-based valuation and risk assessment
  • Financial reporting by financial institutions and for financial instruments

Courses Taught

  • Accounting for Financial Instruments
  • Empirical Research in Financial Accounting

Academic Background

Ph.D., Business, 1988
Stanford University

A.B., Economics/Philosophy, 1981
Dartmouth University

Awards & Appointments

American Accounting Association Financial Accounting and Reporting Section Best Paper Prize 2011
The Accounting Review Emerald Management Reviews Citation of Excellence for one of the 50 best articles 2009
Accounting Horizons Co-winner Best Paper Prize 2006
Accounting Horizons Co-winner Best Paper Prize 2004

Selected Publications

Khan, U., S. Ryan, and A. Varma (2019)
Fair Value versus Amortized Cost Measurement and the Timeliness of Other-than-Temporary Impairments: Evidence from the Insurance Industry
The Accounting Review, 2019, 94(6): 285-3017

Kim, S., S. Kim, and S. Ryan (2019)
Economic Consequences of the AOCI Filter Removal for Advanced Approaches Banks
The Accounting Review, 2019 (6): 309-335

Bhat, G., S. Ryan, and D. Vyas (2018)
The Implications of Credit Risk Modeling for Banks’ Loan Loss Provisions and Loan-Origination Procyclicality
Management Science, 2019, 65 (5): 2116-2141

Dou, Y, S. Ryan, and B. Xie (2018)
The Real Effects of FAS 166/167 on Banks’ Mortgage Approval and Sale Decisions
Journal of Accounting Research, 56 (3): 843-882

Ryan, S., (2018)
Recent Research on Banks' Financial Reporting and Financial Stability
Annual Review of Financial Economics, 10: 101-123

Badia, M., M. Duro, F. Penalva and S. Ryan (2017)
Conditionally Conservative Fair Value Measurements
Journal of Accounting and Economics, 63 (1), pp. 75-98.

Carrizosa, R., and S. Ryan (2017)
Borrower Private Information Covenants and Loan Contract Monitoring
Journal of Accounting and Economics, 64 (2-3), pp. 313-339.

Acharya, V., and S. Ryan (2016)
Banks' Financial Reporting and Financial System Stability
Journal of Accounting Research, 54 (2), pp. 277-340

Areas of Expertise


  • Financial Reporting
  • Regulatory Bodies (FASB, IASB, PCAOB, SEC, IFRS, GAAP)
  • Valuation


  • IPOs


  • Housing/Real Estate
  • News Media