# Brendan Gill

> Brendan Gill is the co-founder and former CEO of Opensignal, the mobile network experience analytics company acquired by Comlinkdata in 2021. An Oxford Physics and Philosophy graduate, he previously co-founded signal-booster retailer RepeaterStore, now Waveform, and founded student accelerator BetaFoundry. He is now executive chair at Bondio and an angel investor.

- **Role:** Executive Chair at Bondio
- **Organizations:** Opensignal, Bondio, Waveform / RepeaterStore, BetaFoundry, Techstars London
- **Nationality:** Irish
- **Education:** Physics and Philosophy, University of Oxford, Balliol College
- **Known for:** Co-founded and led Opensignal through its development into an international network experience analytics business., Helped build RepeaterStore, which reported $3 million revenue in 2009., Led Opensignal during its 2014 and 2018 institutional funding rounds.

## Career timeline

- **2007** — Helped launch RepeaterStore, a retailer of mobile signal boosters, with Oxford friends Sam Westwood and Sina Khanifar.
- **2010** — Co-founded Opensignal with Sina Khanifar, Sam Westwood and James Robinson; served as CEO.
- **2014** — Opensignal raised a $4 million Series A led by Qualcomm Ventures.
- **2017** — Presented on quality-of-experience metrics at an ITU workshop.
- **2018** — Opensignal raised an $8 million Series B led by Octopus Ventures.
- **2018** — Gave oral evidence to the Scottish Affairs Committee’s digital connectivity inquiry on January 23.
- **2021** — Comlinkdata announced its agreement to acquire Opensignal on September 14; investor Frog Capital records the acquisition as completed in 2021.
- **2025** — Listed among the mentors thanked in the Cambridge founders programme lookbook.
- **2026** — Announced he was becoming executive chair at Bondio after serving as an adviser; appointed a statutory director on July 10.

## Achievements

- Co-founded and led Opensignal through its development into an international network experience analytics business.
- Helped build RepeaterStore, which reported $3 million revenue in 2009.
- Led Opensignal during its 2014 and 2018 institutional funding rounds.
- Co-founded a business acquired by Comlinkdata in 2021.

## Latest updates

- **2026-07** — Became a statutory director of Bondio on July 10. In the period of Bondio’s $7.5 million funding announcement, he publicly announced his move from adviser to executive chair.
- **2025-06** — The Cambridge founders programme lookbook thanked Gill among its mentors.

## Links

- Website: https://brendangill.tumblr.com/
- LinkedIn: https://www.linkedin.com/in/brendangill/

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Profile page: https://yespress.io/brendan-gill
Published by YesPress — https://yespress.io
Last updated: 2026-10-27