Private equity fund The Blackstone Group has appointed a new top lawyer with the hire of John Finley, the co-chair of Simpson Thacher & Bartlett’s M&A group, reports The Am Law Daily.

Notable transactions that Finley has worked on in recent years at Simpson Thacher include representing Lehman Brothers on the sale of its North American operations to Barclays and Mars’s $23.1bn (£15.3bn) leveraged buyout-style purchase of chewing gum manufacturer Wrigley.