Michael Yarian, Barclays' veteran rates trader, left the British bank in February.
Hudson replaces Frank Troise who left the bank last year to head ITG.
Buy-side companies with less regulatory constraints could see a greater role in market making.
Weeks after announcing cuts to fixed income jobs, traders in multiple functions have left the business.
Fixed income and commodities sales again identified as major contributor to lower revenues, though cash equities are also struggling.
Investment bank reveals 17% decline in FICC and 11% decline in equities for the first quarter of 2016.
Fixed income ETP inflows hit almost $49 billion in first quarter according to world’s biggest asset manager.
Allianz Global investors has acquired fixed income platform, Rogge, from Old Mutual as part of strategy to extend its fixed income capabilities.
Credit Suisse reveals first annual loss since 2008, and confirms 4,000 jobs are to be cut.
Goldman's annual results revel a fall in FICC, but an increase in equities in 2015.