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Barbara previously spent over 30 years in a number of roles with Alcoa Inc. (now demerged into Alcoa and Arconic Inc.), the global aluminium producer. Her roles in Alcoa included Executive Vice President, Corporate Development and Chairman's Counsel.

Barbara is currently a Non-Executive Director and member of the Audit, Nomination and Remuneration Committees of Senior plc.

Barbara also previously served as the Chairwoman of Boart Longyear Limited, Non-Executive Director of Premier Oil and Russel Metals and as a Non-Executive Director and Remuneration Committee Chair of Aggreko plc.

Barbara has a BA in political science and is a qualified lawyer.