Mr Koomen, Sothicâ??s chief investment officer, left JPMorgan, where he was head of the bankâ??s credit proprietary positioning business, last year.
Mr Matineau, the fundâ??s chief executive, was a former strategist at Long Term Capital Management and until this year a senior executive and risk specialist at GlobeOp, the hedge fund administrator.
The fund has an estimated $100m in assets under management.