Acuity Knowledge Partners, a research, analytics, staffing and technology provider to the financial services sector including hedge funds and private equity firms, has appointed Jon O’Donnell as Chief Operating Officer.

Multi-strategy hedge fund firm Hudson Bay Capital has appointed Mike Cromie as Lead Engineer in its London office. He joins from Segantii Capital, where he held the position of Head of Trading Technology.

New York-headquartered multi-strategy hedge fund firm Schonfeld Strategic Advisors has added Jack Greenwood as a portfolio manager to its discretionary macro team in Dubai, according to a report by eFinancial Careers.

Jeremy Kohler, a former portfolio manager at Segantii Capital, has joined quant hedge fund firm Squarepoint Capital in London also as a PM, having completed six months of gardening leave, according to a report by eFinancial Careers.

GoldenTree Asset Management, a global credit focused investment firm with approximately $55bn in AUM, has hired Sam Friedland as Principal and Head of Real Estate Credit Origination — a newly created role.

Elliott Investment Management has lost the services of London-based portfolio manager Pawel Serej, who played a key role in several of the firm’s high-profile campaigns led by partner Nabeel Bhanji, including Toshiba Corporation and Swedish Match, according to a report by Bloomberg.

Jain Global, the multi-strategy hedge fund firm launched recently by former Millennium Management Co-Chief Investment Officer Bobby Jain, has hired another portfolio manager in its London office, this time from Caxton Associates, according to reports.

Dymon Capital, one of Singapore’s top hedge fund firms, has made 12 intern appointments in the city state so far this year, with four of the intake having graduated from the National University of Singapore, according to a report by eFinancial Careers.