Both are based in London and will step up to the partnership on January 1 2016.
Irvine advises private equity, infrastructure, real estate, hedge fund sponsors and institutional investors on the domestic and international aspects of fund structuring tax efficient arrangements.
Irvine is a qualified lawyer and accountant with international tax experience from previous positions at Deloitte and Clifford Chance.
Walker specialises in providing tax advice on M&A, restructurings and structured finance transactions with particular focus on private equity and reorganisations, equity incentive arrangements, tax litigation and VAT matters.