William Gleason, corporate derivatives marketer at JPMorgan in New York, has moved to Barclays Capital to work in a similar role. Calls to Gleason and Ed Somekh, head of corporate risk management and derivatives at BarCap in New York, to whom Gleason reports, were referred to Linda Wynns, spokeswoman in New York. Wynns declined comment. Michael Dorfsman, spokesman at JPMorgan in New York, did not return calls.