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: How to optimise the business value of your data using agile data governance

Data governance is transforming from a risk management and compliance tool with limited and prescriptive controls, to a solution that can help you optimise the business value of your data. In this role, data governance must scale to manage rising volumes of data, more and different data types, and changing user requirements, while continuing to...

BLOG

Entity Data, EDM Vendors Ally, as Golden Copy Logic Finds its Place in the Counterparty Data World

Two alliances this month between providers of counterparty data and suppliers of data management systems indicate that counterparty data’s role in the bigger enterprise data management (EDM) picture continues to mature and more closely resemble that of security master data. As Reference Data Review went to press, Standard & Poor’s and Siperian (which already has...

EVENT

ExchangeTech Summit London

A-Team Group, organisers of the TradingTech Summits, are pleased to announce the inaugural ExchangeTech Summit London on May 14th 2026. This dedicated forum brings together operators of exchanges, alternative execution venues and digital asset platforms with the ecosystem of vendors driving the future of matching engines, surveillance and market access.

GUIDE

GDPR Handbook

The May 25, 2018 compliance deadline of General Data Protection Regulation (GDPR) is approaching fast, requiring financial institutions to understand what personal data they hold, why they process it, and whether it is shared with other organisations. In line with individuals’ rights under the regulation, they must also provide access to individuals’ personal data and...