She has already started work in the consultancy's London office and is advising clients including pharma firms GlaxoSmithKline and Roche.
Lakhani was previously an account manager at Manning Selvage & Lee where she worked on UK business for Sanofi-Aventis, specialising in media relations.
She worked for Manning Selvage & Lee for three years. Prior to that she spent time at agency Accountability PR.
The appointment of Lakhani takes Tonic Life up to 28 staff in London. It also has one staffer in France and four in the US, where it opened offices in New York and Dallas earlier this year (PRWeek, 18 August).