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: Best Practices for Managing Trade Surveillance

The surge in trading volumes combined with the emergence of new digital financial assets and geopolitical events have added layers of complexity to market activities. Traditional surveillance methods often struggle to keep pace with these changes, leading to difficulties in detecting sophisticated market abuses and increased regulatory risk. To address these challenges, financial institutions are...

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

TradingTech Summit London

Now in its 16th year, the TradingTech Summit London brings together senior leadership across capital markets trading technology and market data. Join us to deep dive into key opportunities and challenges driving technological transformation across sell-side and buy-side firms.

GUIDE

Corporate Actions Europe 2010

The European corporate actions market could be the stage of some pretty heavy duty discussions regarding standards going forward, particularly with regards to the adoption of both XBRL tagging and ISO 20022 messaging. The region’s issuer community, for one, is not going to be easy to convince of the benefits of XBRL tags, given the...