New York-based special opportunities fund Atalaya Capital Management has added a marketing professional and three investment professionals to its team. 

Marco Steeg is to become chief financial officer and chief operating officer of Scoach Switzerland and Scoach Europa, effective 1 September 2009.

Cheyne Capital Management has appointed Paul Ruddleston and Paul Keohane as partners.

The Blackstone Group has appointed Byron Wien as vice chairman of Blackstone Advisory Services.

Probitas Partners, a global alternative investment firm, has added James Coleman and Vincent le Hodey to its London office.

Triple A Partners, an Asian and emerging markets alternative fund company in the seeding and distribution business, has strengthened its distribution capability with the appointment of

GLG Partners, an FSA-authorised and regulated investment manager, has appointed Nick Judge as an asset manager in the UK team.  

Global Fund Exchange, an alternative investment management business focused on alternative energy, traditional energy, water, critical resources and carbon emissions, has hired A.

Horizon Cash Management, a cash manager to alternative investment funds, has appointed Jennifer Wenthen as chief financial officer.  Wenthen will oversee all company accounting practices, including tax and audit functions, and will direct financial strategy, planning and forecasts for the firm.   She reports to Pauline Modjeski (pictured), president of Horizon Cash Management, who stated: ‘As hedge funds, managed futures funds and other global institutional investors continue their renewed vitality, we’ve attracted new clients and seen existing clients grow their portfolios. Jennifer’s expertise and leadership will benefit us mightily. She’s an important addition to our management team.’    Wenthen brings

LMP Capital and Income Fund has appointed Harry D. ‘Hersh’ Cohen, Peter Vanderlee and Michael Clarfeld of ClearBridge Advisors as lead portfolio managers of the fund.