Tom Welsh
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Stephen Alexander has been appointed operating partner at the private investment firm, which over the past six months has acquired Comet, the electricals retailer, and Game UK, the video games retailer. Alexander has more than thirty years’ experience in European consumer businesses. He began his career with Imperial Foods, before moving to Allied Domecq, where he was chairman of Lyons Tetley, Dunkin Donuts and Allied’s pub group. Most recently he spent eight years as operational managing director at Terra Firma, the private equity firm, where he led strategic and operational change in businesses including Meridien Hotels, Odeon Cinemas and EMI, the music giant. Alexander is currently chairman of Immediate Media, and Look Ahead Housing and Care.

Mizuho International
The London-based securities and investment banking arm of the Mizuho Financial Group has announced several appointments within its fixed income division. Graham Halliday becomes managing director and head of fixed income trading and will report directly to chief executive Paul Hearn. Halliday has over fifteen years experience within the Mizuho group. Renato Giust becomes director of European trading. He joins from State Street Global Markets, where he was head of European government bond trading. Sam Morton has been appointed director, credit research. He joins from Barclays Capital, where he was a credit analyst.

Ark Therapeutics
The gene-based medicine company has announced that Dr David Venables has been appointed to the board as executive director, manufacturing services. Venables will report directly to chief executive Martyn Williams, and will be responsible for building Ark’s manufacturing services business. Venables joins from Intercell, the vaccines firm, where he most recently served as chief operating officer of its US subsidiary. He was previously director of operations at BioReliance Europe.

Hailsham Chambers
Fiona Neale, a specialist in clinical negligence and regulatory law, has joined Hailsham Chambers, the legal advice and advocacy set. Neale has left 3 Serjeants’ Inn and will take tenancy at Hailsham from 23 April. The chambers has attracted five new QCs and six new juniors since 2010.

JO Hambro Investment Management
The specialist investment management firm has announced the appointment of Peter Rutter to its global equities team. Rutter joins from IronBridge Capital Management, where he was a partner and fund manager for six years. Previously, he worked on the global equities team at Deutsche Asset Management.