Pirum, a provider of securities finance automation and connectivity solutions, has appointed Richard Marquis as its Director of Sales for North America.

Jain Global, the new multi-manager hedge fund firm launched by former Millennium Management Co-Chief Investment Officer Bobby Jain, has hired Squarepoint Capital’s Ali Rauf as a portfolio manager, according to a report by Financial News.

Shiprock Capital Management, a London-based investment management firm focused on global distressed and special situations investments, has appointed Yacine Bourezak as Senior Analyst.

Citadel has appointed Nathan Perrone from multi-strategy rival Millennium as its new Chief Compliance Officer for its global equities and Ashler Capital businesses – two of the firm’s four fundamental long/short strategies – according to a report by eFinancial Careers.

Hedge fund Balyasny Asset Management has added Sean Hammersley as a portfolio manager, according to a report by eFinancial Careers.

Diversified financial services firm Clear Street has appointed Atul Pawar as Chief Risk Officer, who will join in July after two decades at Goldman Sachs, where he was most recently Head of US Prime, Clearing, FCM and Counterparty Risk.

Bobby Jain’s multibillion-dollar hedge fund Jain Global has recruited more than 10 portfolio managers for its London office, pushing the total above 50 members as it prepares for its debut on 1 July, according to a report by Financial News.

Billionaire Michael Platt’s hedge fund BlueCrest Capital Management has added José Arivar De Lira Junior as a senior portfolio manager in London, according to a Companies House filing on 24 June.