Fiona Armstrong-Mills

Principal Analyst - Americas

Fiona is a Principal Analyst at Opensignal, responsible for the Americas region. She provides strategic insights into mobile and broadband network and market performance, helping industry stakeholders. Her focus is to unpick the key trends shaping network experience and subscriber growth retention, including convergence, NTN and other market trends.

Before joining Opensignal, Fiona worked as Lead Data Solutions Architect at Agent3, where she developed and scaled analytics frameworks on B2B buyer intent and marketing performance data to guide strategic decision-making for senior executives. Prior to this, Fiona was Head of Research Communications at Tutela where she focused on developing insights on the importance of customer network experience over raw speeds.

Alongside her professional roles, Fiona has acted as an industry mentor for students on the London School of Economics Data Analytics Career Accelerator, advising on the practical and strategic applications of data in business.

Fiona is based in Victoria, BC, and holds a postgraduate diploma in Data Science, Technology and Innovation from the University of Edinburgh, and a BA in English Literature from the University of York.

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