Tom Welsh
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The energy management specialist has appointed Jo Butlin as its managing director. She has an extensive career in the energy sector, including senior roles at Powergen, and she most recently worked as vice president, operations at SmartestEnergy.

Bahrain Mumtalakat
The investment arm of the Kingdom of Bahrain has appointed Tony Robinson as its new chief financial officer. He joined in April 2011 as investment manager and coordinator, and previously held management roles at RAC Insurance and a Bahraini investment bank.

Charles Stanley
The stock broker has announced the appointments of Matthew Guy and Joanna Danes as investment managers in its asset management department. They both join from Barclays Wealth, where they were investment managers.

Pioneer Investments
The investment management firm has expanded its European equity research team by appointing two research analysts. Nick Aslibekian joins from Standard Life as a healthcare analyst. Virna Valenti becomes a financials analyst. She was previously a senior credit analyst at Pioneer Investments.

Valiant Petroleum
Stephen Horton and Philip Vingoe have joined the oil exploration company as non-executive directors. Horton worked at BP for 27 years, and reached the position of worldwide director of drilling. Vingoe also worked at BP, and was most recently its chief geophysicist.

Jones Lang LaSalle
Guy Bransby has been promoted to the role of regional director at real estate services firm. He was previously lead director of its planning and development team.