As well as talking about John's globe-trotting childhood and his illustrious career, Mark and John discuss one thing that they have in common, their investment in touch-screen technology business Zytronic.

The Desert Island Investor podcast is generously hosted by London City based analysts Progressive Equity Research. You'll also find us on YouTube, Spotify, Amazon Music and all leading podcasting channels.

If you have a question for Mark for our mini-podcast 'Question in a Bottle' please complete the form on our website at https://www.thedesertislandinvestor.co.uk

Created by Mark Atkinson (LinkedIn) | Produced by Paul Kerin | Bottle Illustration from FreePik (CC-BY) rawpixel dot com. SFX from Freesound (CC-BY): Waves: juskiddink. Corkscrew: YleArkisto.

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Disclaimer: The content of this podcast is provided for general information only and the opinions expressed by Mark, his guests and the producers of the podcast do not constitute financial advice. Before purchasing financial products it is advisable to seek the guidance of a professional financial advisor.