Equity trading head is reportedly moving on to hedge fund Millennium.

Hires at brokers, exchange operators and tech vendors highlight this week's people moves.

Changes at brokers and regulators dominate the week.

Personnel moves at brokers RBS, Citi and Cowen.

Brokerages highlight this week's people moves in the securities space.

Market-structure maven move highlights personnel changes in securities space.

Two senior execs are appointed in Europe while clearing firm adds sales lead.

Move of former Bulge-Bracket exec highlights quiet holiday week.

Jason Oien and ex- DB exec Jennifer Hadiaris join in senior roles.

From The Markets

ICG Hires Brian Marshall

The new hire will lead the firm's business development effort in the US.