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Strong Source

Strong Source

By: Strong Source
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Our mission with the Strong Source podcast is to educate and inform, by creating a community where experts and guests from the entire commodity industry can share their unique perspectives. Martijn, ex-cacao trader, and Alexander, ex-dairy trader and founder of Vesper, have a deep-passion for this industry, which inspired them to start this venture: "We’ll be sharing our personal experiences, the valuable lessons we’ve learned along the way, and give you a glimpse of what to expect in our future episodes." This podcast is powered by Vesper, the leading commodity platform.

Strong Source
Economics
Episodes
  • Episode 34 - with Harold de Boer
    3 Jul 2026

    In this episode of Strong Source, we're joined by Harold de Boer, mathematician and one of the founders of Transtrend, the Rotterdam-based systematic investment manager that grew out of commodity trading house Nidera in the late 1980s. Raised on a dairy farm, Harold takes us from his first encounter with futures markets, through the feed producers supplying his father's farm, to running one of the most diversified trend-following programs in the industry. Throughout the conversation, Harold goes against the stream with refreshingly different views on trading and markets, from why commodities are not an asset class to why being non-conformistic is a necessity in the Transtrend way of trading.

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    1 hr and 6 min
  • Episode 33 - with Moritz Heiden and Moritz Seibert
    29 May 2026

    In this episode, we speak with Moritz Seibert and Moritz Heiden, founder of Takahe Capital, about quantitative trading, systematic investment strategies, and how data-driven approaches are used to navigate commodity markets. They share insights on model development, risk management, and the evolving role of quantitative investing in today's markets.

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    1 hr and 8 min
  • Episode 32 - with Jan Kees van der Wild
    16 Apr 2026

    In this episode of Strong Source, we're joined by Jan Kees van der Wild, board member at VA Inter Trading and former senior leader at ADM, Bunge, Volcafe and EDF Man, for one of the most remarkable career stories we've had on the show.

    Jan Kees takes us through 42 years in global commodity trading, from an unconventional start at 19 with no degree and no plan, to running operations across Europe, the US and Brazil. We explore how the right mentors can define a career, what it really takes to turn around a struggling business, and why he always hired on EQ over IQ.

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    1 hr and 8 min
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