David Easthope has rejoined Celent’s securities and investments team as a research director, based at the research and advisory firm’s San Francisco, California office.

Easthope worked for Celent in the past, joining the firm in 2005 and going on to become a research director there. He left in 2010 to join Charles Schwab, where he worked as a director of strategy until recently.

He specializes in global financial exchanges and market structure, advanced trading technology, and North American retail brokerage.

Celent is a member of the Oliver Wyman Group, which is part of New York-listed Marsh & McLennan Companies.