Mr Dibadj replaces interim CEO Roger Thompson who has returned to his role as the asset manager’s CFO.

He joins from Alliance Bernstein where he was CFO and head of strategy and where he also served as portfolio manager for AB Equities.

Before joining Alliance Bernstein he spent almost a decade in management consulting.

Mr Dibadj said, “I am humbled and proud to have been asked by the Board to join the talented Janus Henderson team and have long admired Janus Henderson’s intellectual honesty, depth of research, and client-focus. Janus Henderson is a resilient and forward-thinking firm, and I am confident that our employees, the current executive team, the Board, and I will be able to identify and capture growth and innovation that creates value for our clients, employees, shareholders, communities, and all stakeholders.”

He was appointed as CFO and head of strategy at Aliiance Bernstein in 2021 where he was previously appointed head of finance and strategy, responsible for overseeing the Financial Planning, tax, treasury, investor relations, strategy and corporate development teams.

He joined Alliance Bernstein’s research division in 2006.

He has 16 years of experience in the asset management industry and 25 years of financial services experience.

Richard Gillingwater, chairman of the Janus Henderson Board, said, “We are excited to welcome Ali to Janus Henderson as our new CEO.  His track record, experiences, accomplishments, and vision are all invaluable assets that will benefit clients as we support their goals. We look forward to his contributions and leadership as Janus Henderson pursues its next stage of growth in a rapidly evolving marketplace.”