Ritesh Shah has joined Primus Financial Products from Goldman Sachs to head its correlation desk. Shah is responsible for structured credit trading at the New York-based firm, which acts as a counterparty in CDS. At Goldman, Shah was also on the correlation desk trading collateralized debt obligations and credit-default swaps. He reported to William Roberts, head of structured credit. Shah and Roberts did not return phone calls by press time and Shah's new report could not be determined.