He will be based in the firm’s London office, said the company.
Heye joins Jefferies after 14 years with Credit Suisse, where he was a director in Portfolio Trading Sales.
Previously, he was co-head of Matif Trading at BZW Paris and Head of German-Listed Derivatives Trading at BZW Frankfurt.
Jefferies head of International Electronic Trading Services in the Equity Division John Bajus said Allan’s considerable experience in institutional electronic trading, along with his superior client relationships and product expertise, make him a valuable addition to their group.
Jefferies’ global equities group consists of more than 700 sales, trading and research professionals globally, including nearly 150 in London.