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

A-Team Insight Briefs

Jonathan Kellner Named CEO of MEMX

Subscribe to our newsletter

Jonathan Kellner has joined Members Exchange (MEMX), a recently established member-owned equities exchange. Founding members include Bank of America Merrill Lynch, Charles Schwab, Citadel Securities, E*Trade, Fidelity Investments, Morgan Stanley, TD Ameritrade, UBS, and Virtu Financial. Before signing on to MEMX, Kellner led Instinet through the acquisition of BlockCross ATS from State Street, and the transition through regulatory change, including Dodd-Frank and MiFID II.

Subscribe to our newsletter

Related content

WEBINAR

Recorded Webinar: Navigating the Build vs Buy Dilemma: Cloud Strategies for Accelerating Quantitative Research

For many quantitative trading firms and asset managers, building a self-provisioned historical market data environment remains one of the most time-consuming and resource-intensive steps in establishing a new research capability. Sourcing data, normalising symbologies, handling corporate actions and maintaining infrastructure can take months and absorb significant budget before a single model is tested. At the...

BLOG

NYSE Unveils Tokenised Securities Platform, Putting 24/7 Blockchain Trading Within Reach

The New York Stock Exchange (NYSE), a unit of Intercontinental Exchange, Inc. (ICE), has launched the development of a blockchain-enabled tokenised securities platform designed to support continuous trading and on-chain settlement of U.S. listed equities and exchange-traded funds (ETFs). The initiative is subject to regulatory approval and forms a central pillar of ICE’s broader strategy...

EVENT

Data Management Summit New York City

Now in its 15th year the Data Management Summit NYC brings together the North American data management community to explore how data strategy is evolving to drive business outcomes and speed to market in changing times.

GUIDE

AI in Capital Markets Handbook 2026

AI adoption in capital markets has moved into a more disciplined phase. The priority is now controlled deployment: where AI can be used safely, where it can deliver measurable value, and how outputs can be governed, monitored and evidenced. The 2026 edition of the AI in Capital Markets Handbook examines how AI is being applied...