Gary Armstrong

Gary Armstrong

Consultant Partner and Coach

United Kingdom

Connect via Linkedin

Gary Armstrong

Consultant Partner and Coach

United Kingdom

Connect via Linkedin
  • Masters in Economics – Cambridge University
  • ICF Associate Certified Coach
  • Certified in Strengths Decision Styles, Myers-Briggs, FIRO-B, TKI Conflict Mode, and 360 Assessments
  • Organisation Development certification – NTL UK
  • Coaching for Performance Level II – Performance Coaches International

Gary is an executive coach and consultant with a background in strategic and commercial management consulting across industries such as pharmaceuticals, biotechnology, FMCG, and professional services. With over 16 years of experience at GlaxoSmithKline, Gary led teams across multiple functions, including sales operations, finance, strategy, HR, and data analytics. His work included leading a CEO transition and major business transformation, experiences that cemented his belief in the importance of focusing on the human dimension of organisations to drive sustainable high performance.

Gary specialises in coaching leaders through major career transitions, connecting personal purpose with career roles, and supporting leaders through significant change and transformation. He has extensive experience coaching high-potential leaders, as well as leading DEI talent programmes that have accelerated diverse talent into senior roles.

Gary’s coaching style is compassionate, affirming, and strategic. He focuses on helping clients recognise their strengths, providing clarity and raising awareness through deep listening and honest feedback. He believes in helping clients see their environment in new and helpful ways, using objectivity and strategic insight to ensure clients achieve personal growth alongside real-world progress.

Gary holds a Master’s in Economics from Cambridge University and is an ICF Associate Certified Coach. He is also certified in a range of psychometric tools, including MBTI, FIRO-B, and 360 assessments.

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