Born in the United Kingdom, Nick Walker holds degrees in Mining Engineering from Imperial College London, Computer Science from University College London as well as an MBA from City University Business School also in London.

Mr. Walker started his career as a petroleum engineer with BP plc and also worked in senior management positions at Bow Valley Energy plc. Between 1994 and 2011 he worked with Talisman Energy Inc. in various senior operating and commercial roles. Mr. Walker held country manager positions with Talisman Energy in the UK and Malaysia/Vietnam. From 2009 to 2011 Mr. Walker served as Executive Vice President International Operations with Talisman Energy.

Between 2012 and 2015 he worked as Chief Operating Officer with Africa Oil Corp. Nick Walker joined Lundin Energy as Senior Vice President Development and Operations in 2015. Later the same year, he was appointed Chief Operating Officer, a position he held until being appointed as President and Chief Executive Officer for Lundin Energy in January 2021.