## 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.

**Connect with Fiona**

.svg)](https://www.linkedin.com/in/fionaarmstrongmills/)

.png?width=500&height=416&name=Authors%20-%20Sylwia%20Kechiche%20(7).png)

## Fiona's latest posts

Analysis

Apr 2026

Quem oferece a melhor experiência móvel antes do show Todo Mundo no Rio, da Shakira?

Analysis

Apr 2026

Who provides the best mobile experience ahead of Shakira’s Todo Mundo no Rio performance?

Analysis

Apr 2026

Is Starlink a scalable fix for U.S. digital inclusion or an access band-aid?

Blog

Mar 2026

D2D at MWC26: Sky-high ambitions, ground-level constraints

Blog

Mar 2026

Wrapping up consumer AI post MWC 2026: lots of hype, little reality

Analysis

Mar 2026

Mobile Network Experience: South American Awards 2026

Mobile Experience Awards

Feb 2026

Canada, February 2026, Mobile Network Experience

Analysis

Feb 2026

ISP-provided gateways deliver better consistency for Canadian broadband subscribers

Mobile Experience Awards

Feb 2026

Peru, February 2026, Mobile Network Experience