Stephenson Harwood has added to its private equity ranks in London with the addition of three new partners from King & Wood Mallesons (KWM).

Jonathan PittalGabriel Boghossian (both private equity) and Warren Allan (corporate finance) all make the move to the UK firm. Pittal is particularly notable as he had led KWM's private equity practice before resigning towards the end of last year.

The move follows similar departures in recent days including Simon Witney's move to Debevoise & Plimpton and Will Holder's move to Baker & McKenzie.

The firm has also recently lost investment funds partners Michael Halford and Andrew Wingfield, real estate partners William Naunton, Cornelius Medvei, Bryan Pickup, Ed Page, George Burrha and Jeremy Brooks, M&A partners Clive Jones, Michael Goldberg and David Fitzgerald and private equity funds partners Steven Cowins and Marc Snell.

Pittal's recent work includes advising Bowmark Capital on the acquisition of STS Travel, Camp Beaumont and Design Objectives; Lloyds Banking Group on a number of sales of private equity portfolios, including the portfolio sale in excess of £1 billion to Coller Capital; and UniCredit and its subsidiaries on the disposal of part of its European private equity portfolio.

Boghossian's recent work includes advising Temasek on the establishment and launch of Astrea II, a co-investment vehicle; Goldman Sachs Vintage Fund on transactions including the acquisition of secondary stakes in Palamon European Equity Funds I and II; and Oak Hill Capital Partners on its LBO of Pulsant Group.

Allan's recent work includes advising Bowmark Capital and Risk Capital Partners on the establishment of their respective buyout funds; and Core Capital on the establishment of a fund to acquire a portfolio of securities in UK private companies, funded by Access Capital and 17Capital.