Gallagher has appointed Alistair Lester as CEO of Gallagher’s Private Equity and M&A client practice, to lead the firm’s existing transactional risks teams in the UK, Europe, and Middle East (EMEA), while overseeing the further expansion of the practice.
Lester joins Gallagher from Aon where he has worked for the last eight years, most recently as global co-CEO of M&A and transactional solutions. He has nearly 30 years of industry experience having also worked at WTW and brings extensive experience of M&A and post deal value creation for both corporate clients as well as private equity and other alternative asset managers.
He will report into Michael Rea, CEO of Gallagher’s broking business in the UK.
Lester will lead Gallagher’s UK & EMEA transactional solutions teams which currently offer a range of solutions including tax, warranty & indemnity, litigation, structured credit, pre-M&A due diligence, and post deal/portfolio services.
In June, Gallagher was named a number one litigation insurance broker in the Chambers Litigation Support Guide 2025, marking four years at the top.
