GLOBAL - Pioneer Investments, ABP, Vontobel, Bouwfonds REIM, Legal & General Group, Hymans Robertson, Northern Trust, Aviva Investors
Pioneer Investments - Roger Yates has stepped down as chief executive due to "family commitments" in London, according to a statement by the asset manager. The former head of Henderson Group joined UniCredit's Pioneer in 2010. Sando Pierri has been appointed head of asset management at UniCredit, with Pioneer's board of directors expected to conform him as new chief executive in July.

ABP - Carel van Eykelenburg and Erik van Houwelingen have joined the board of the €261bn civil service scheme, both representing the employers organisations. Van Eykelenburg has been executive chairman of the Bank Nederlands Gemeenten since 2008. Earlier, he was executive chairman of the €70bn pensions provider and asset manager MN Services, and chief executive at the €42.6bn metal scheme PMT. Van Houwelingen has been managing partner at pensions adviser Montae since 2010, after having served as chief executive at Aegon Asset Management.

Bouwfonds REIM - Jaap Gillis has been appointed chief executive at the €7.3bn Bouwfonds REIM, the property branch of Rabobank, as of 1 August, when he will succeed Jean Klijnen. Until 1 April, Gillis was COO at property investor and developer Redevco, after having been in management at property developer Amstelland/MDC and ING Real Estate. He is also chairman of the Dutch Green Building Council.

Vontobel - Alan Zlatar has been appointed deputy head of group investment strategy and multi-asset investments, while Arpad Pongracz assumes responsibility for the newly formed outcome-driven investment division. Zlatar joins from Deutsche Bank Wealth Management Zurich, where he was head of portfolio management. Pongracz joins from Union Bancaire Privée, where he was head of global balanced solutions.

Legal & General Group - Nigel Wilson has been appointed group chief executive, succeeding Tim Breedon. Wilson joined L&G in 2009 as CFO and board member. He will formally succeed Breedon on 30 June. Breedon will step down on that same date, but remain an employee until 31 December, undertaking an advisory role including lobbying for an "appropriate outcome" on Solvency II.

Hymans Robertson - Andy Green has been appointed a partner, joining from Deloitte, where he was a partner in the pension advisory business. At Hymans Roberston, he will have a particular focus on liability-driven investments and supporting clients in "taking a more active approach".

Northern Trust - Steve David has been appointed country head for Luxembourg, where he will be responsible for expanding specialist fund servicing and custody operations. David has been based in Northern Trust's Luxembourg office since joining the organisation in 2004. He replaces Ian Baillie, who will retire in August.

Aviva Investors - Paul Abberley has been appointed interim chief executive. Currently chief executive of Aviva Investors London (AIL) and Global Investment Solutions, he will assume responsibility for the global business immediately. Abberley joined the company on its launch in September 2008 as chief executive of AIL. Before then, he was London chief executive at ABN Amro Asset Management and global head of fixed income at Lombard Odier.