Before joining Promontory, Mark was senior deputy comptroller for economics at the OCC, where he oversaw quantitative examination support for the OCC and advised senior regulators and bankers on aspects of the use of models and quantitative methods for risk management and other purposes. While at the OCC, Mark led the team that developed the 2011 Supervisory Guidance on Model Risk Management. Mark also led or participated in many Basel Committee or Joint Forum initiatives related to models and model validation, and played a leading role in the subsequent development of U.S. rules and guidance.
Prior to his work with the OCC, Mark served as vice president in banking supervision and regulation at the Federal Reserve Bank of San Francisco and was the managing officer of the banking studies department at the Federal Reserve Bank of New York. Internationally, Mark worked for the Reserve Bank of Australia and has consulted for both the International Monetary Fund and the World Bank. He is a frequent public speaker at industry and policy forums and has taught at San Jose State University and the Haas School of Business at the University of California, Berkeley.