Welcome to Building Arks

I am an experienced investor writing about stocks that I think can produce 15% compounded returns over a 5-10 year time horizon. I invest long term and for value, and I publish the work I have done for my family’s portfolio.


How I invest

I have no strict rules and see flexibility as an advantage. I try to invest in great assets for long-term value. I think my advantage is psychological, not informational. I run a concentrated portfolio with a long tail. I don’t measure performance because doing so makes me a worse investor. More on my Stockpicking, Mental Models, and Portfolio Structure pages.


About me

I spent 20 years as an equity fund manager, working for Baillie Gifford, Findlay Park, and Brown Advisory in the UK and covering both developed and emerging markets. I adored the intellectual challenge of investing but increasingly found that wanted to build businesses as well as analyse them - so now I split my time between stock-picking for my own account and advising/directing start-ups. I love and learn from both.


What you’ll get

I publish the research I do for my own account.

I write for busy people. I write concisely and in consistent formats, so that you can read my posts fast but still get what you need.

I will publish 2 kinds of posts:

  • Initiations, focusing on what really matters.

  • Updates, with thesis/valuation changes, numbers, and bullet point notes.


To find out more about the company that provides the tech for this newsletter, visit Substack.com.

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Long term investing for financial freedom.

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