John P. Davidson III

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John P. Davidson III
Occupation Chief Executive Officer
Employer OCC
Location Chicago
LinkedIn Profile

John P. Davidson is chief executive officer of the OCC. He was promoted to that role from president and chief operating officer in December of 2018.[1] He is a senior executive with more than 35 years in the financial services industry. He joined OCC as president and chief operating officer May 8th, 2017, replacing Michael McClain, who left OCC as chief operating officer on March 31st.[2]

Davidson previously worked at Citigroup from 2008 to 2017, most recently as chief compliance officer.[3]


Before joining Citigroup, Davidson was managing director and chief corporate development officer of CME Group from February 2006 to April 2008. He was responsible for oversight of research and product development, strategic planning, business development, and corporate project management. While at CME he led the project to integrate the legacy Chicago Mercantile Exchange with the Chicago Board of Trade.[4]

Previously, Davidson spent twelve years at Morgan Stanley, starting in December of 1993, as managing director and operations officer for the firm's global operations and services division, where he oversaw the integration of systems and processing services to combine the firm’s previously separate institutional, retail and investment management divisions into a single global securities business. He rebuilt the firm’s global institutional processing system and opened new processing centers on four continents.

Earlier, he was senior vice president of the CME's clearing house division from August 1983 to November 1993. While there, he was instrumental in developing and implementing the Standardized Portfolio Analysis of Risk (CME SPAN) margining system and the design of CME Clearing 21.


Davidson earned an M.B.A. in financial management and international business from the University of Chicago[5] and graduated with highest distinction from the University of Illinois-Urbana with a bachelor's degree in political science.

John Lothian News Articles

Ushering In The OCC's Renaissance - John Davidson, OCC

The OCC’s ENCORE clearing system, while resilient, is long in the tooth and inflexible. OCC’s Project Renaissance aims to revamp the central counterparty’s data, risk management and clearing systems. The OCC chose Cinnober as a partner for the multi-year project. While that key initiative is something the OCC has planned for years, the SEC’s decision not to renew the clearinghouse's capital plan was a curveball. In this video from JLN’s Industry Leader Series, OCC CEO John Davidson talks about those two developments.

Cybersecurity and Technology Upgrades - John Davidson, OCC

The OCC is in the process of making what is a big decision for a systemically important financial market utility (SIFMU) - how to best upgrade a tech stack responsible for clearing millions of options and futures contracts daily.


  1. OCC Promotes Davidson to Chief Executive Officer; Warren to Chief Operating Officer. OCC.
  2. Davidson Joins OCC as President and Chief Operating Officer. OCC.
  3. Citigroup names infrastructure risk chief. Reuters.
  4. John P. Davidson III, Chief Compliance Officer. Citigroup.
  5. Alumni Connections. University of Chicago.


CME Group Web site