About a-team Marketing Services
The knowledge platform for the financial technology industry

A-Team Insight Blogs

Options Clearing Corporation Board Of Directors Welcomes New Member

Subscribe to our newsletter

The Options Clearing Corporation (OCC) announced today the appointment of a new member to its board of directors. The newly appointed director is John Willian, global co-head of Prime Brokerage, Clearing, Electronic Trading, and Futures at Goldman Sachs.

Willian replaces Mitchell Lieberman who has retired.

“The board welcomes our distinguished new member,” said Wayne Luthringshausen, OCC chairman and chief executive officer. “John’s wealth of knowledge and depth of background in the industry make him a wonderful addition to the board.”

Subscribe to our newsletter

Related content

WEBINAR

Recorded Webinar: The opportunities and challenges of open source symbology

Open source symbology initiatives that offer free access to unique identifiers designed to help financial institutions manage information from financial instruments to events and people are emerging in capital markets. Their aim is to overcome the complexity of managing multiple vendor and proprietary identifiers, and deliver a single open identifier set that can simplify data...

BLOG

A-Team Group Announces Winners of the Data Management Insight Awards – USA 2026

A-Team Group today announced the winners of its annual Data Management Insight Awards – USA 2026, celebrating outstanding vendors, service providers, and consultancies delivering innovative data management solutions to North American capital markets. Now in its sixth year, the awards recognise both established market leaders and groundbreaking newcomers across more than 40 categories, including Best...

EVENT

Data Management Summit New York City

Now in its 16th year, Data Management Summit (DMS) NYC returns on September 17th 2026, to explore how to use data and AI to drive measurable business outcomes – reliably, repeatedly and at scale.

GUIDE

Managing Valuations Data for Optimal Risk Management

The US corporate actions market has long been characterised as paper-based and manually intensive, but it seems that much progress is being made of late to tackle the lack of automation due to the introduction of four little letters: XBRL. According to a survey by the American Institute of Certified Public Accountants (AICPA) and standards...