Movers & Shakers

■ Three Ireland has appointed a new head of tax and treasury. Sarah Reynolds has joined the company from Amdocs, where she was senior European tax accountant for three years. Before that, she was quality assurance tax leader with Deloitte for five years.

■ Shena Brien is the new chief executive of IP Telecom. Brien co-founded IP Telecom five years ago, and has been a director of the company since then. Before ...