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Alex Banks

Alex Banks is an AI product founder and writer of The Signal, a weekly newsletter about artificial intelligence. He started writing online in 2022, co-founded TribeScaler, and launched Sunday Signal as a weekly digest of AI and technology. Sunday Signal reached more than 40,000 AI readers by 2023; in 2024, he served as Harley’s CEO and co-founder as it partnered with Asda on generative AI analytics. He expanded The Signal into video work in 2025 and, as of October 2026, writes the newsletter and is founder of GrowHub and Harley.

Now at
Harley and GrowHub
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Timeline

  1. 2022

    Starting on Twitter

    In January 2022, he starts writing formally on Twitter with 689 followers and launches Through the Noise as a podcast and newsletter in April 2022. He holds a master’s degree in finance from Imperial College London.

  2. 2022

    TribeScaler’s hook generator

    In 2022, he co-founds TribeScaler with Alexander Leirvåg, an AI content-generation tool that crafts viral hooks for Twitter.

  3. December 2022

    The first Sunday Signal

    In December 2022, he publishes the first Sunday Signal issue after reviewing more than 500 pieces of technology and AI content each week.

  4. 2023

    More than 40,000 readers

    By 2023, Sunday Signal reaches more than 40,000 dedicated AI readers as he filters over 500 updates into weekly issues.

  5. 2024

    Harley’s Asda platform

    In 2024, he serves as CEO and co-founder of Harley while the company partners with Asda on a real-time generative AI platform for retail data. The platform gives leaders live insights, including store sales and product availability.

  6. 2025

    Video work for The Signal

    In spring 2025, he works with Lauren Trubody and editor Kyle Odefey to build The Signal’s social channels with video, executive interviews, and conference recaps.

  7. As of October 2026

    The Signal and AI products

    As of October 2026, he writes The Signal, a weekly AI newsletter for 55,000 readers, and is the founder of GrowHub and Harley, which apply AI to LinkedIn brand building and retail analytics. He publishes a weekly October 2026 issue about Google’s AI developments.

Career

  1. Since 2024HarleyCEO, Co-founder
  2. NowGrowHubFounder
  3. From 2022TribeScalerCo-founder

Education

  1. Imperial College LondonMaster's degree in finance

Sources and credits

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  1. New Beginnings noise.beehiiv.com. Checked 18 October 2026.
  2. How This A.I. Startup Got Its First 100 Paying Users unicorngrowth.io. Checked 18 October 2026.
  3. Sunday Signal #1 noise.beehiiv.com. Checked 18 October 2026.
  4. Sunday Signal #38 noise.beehiiv.com. Checked 18 October 2026.
  5. Asda revamps gen-AI platform to ‘unlock new levels of operational agility’ grocerygazette.co.uk. Checked 18 October 2026.
  6. Alex Banks / The Signal kyleodefey.com. Checked 18 October 2026.
  7. Alex Banks - Founder, Creator, and Investor alexbanks.me. Checked 18 October 2026.
  8. Google Steals Fire, Governments Move on AI Rules, and OpenAI Joins the Dots thesignal.substack.com. Checked 18 October 2026.