Tristan Almada, a Derivatives Trader at Singapore-headquartered commodity trading firm Trafigura, has left the business to launch his own commodities-focused hedge fund firm, Almada Capital, according to a report by Bloomberg.

Jain Global, the hedge fund firm founded by ex-Millennium CIO Bobby Jain and gearing up for a much anticipated launch in July, had added another Portfolio Manager to its team with the appointment of Suraj Chopra, according to a report by eFinancial Careers.

Citigroup is to part company with one of the most senior executives in its trading unit, with Conor Davis set to leave the company as part of a wider overhaul of the Wall Street giant’s business operations led by Chief Executive Officer Jane Fraser, according to a report by Bloomberg.

Rokos Capital Management, the London-based hedge fund firm founded by Chris Rokos, has continued its recent hiring spree with the appointments of Jaymie Sullivan as an Equities Investment Officer and Kamil Belkhayat as a Volatility Trader, according to a report by eFinancial Careers.

Ken Griffin’s multi-strategy hedge fund firm Citadel has boosted its trading teams in its London, Paris and New York offices with the addition of several new fixed income and macro Traders, according to a report by Bloomberg.

Barnali Biswal, who spent 14 years as a Managing Director at Goldman Sachs, has joined Hilbert Capital as Chief Investment Officer to manage and develop the firm’s quantitative investment solutions for its growing number of institutional investors.

Sigma Broking, an international privately-owned brokerage company servicing hedge funds investment banks and other institutional customers, has appointed Gary Pettit as its new CEO with immediate effect, following FCA approval.

Owen Coughlan, the former Head of Euro Swaps Trading at NatWest Markets has returned to the banking fold with Barclays in Paris after a brief foray into hedge funds, according to a report by eFinancial Careers.

George Demain, Senior Portfolio Manager and Systematic Trader at Millennium Management, has left the firm just 20 months after joining the business, according to a report by Bloomberg citing people familiar with the matter.