Jonny Mulligan Martello Partners

Thoughts and Insights on corporate affairs, business and markets

Our articles share what we’ve learned from working with company boards and investors on strategy and business matters.

We are currently available for consulting engagements.

Entry 16: The Crash Guy, The Philosopher, and The Mapmaker: Three Warnings for a Bullish Market

As President Trump’s visit dazzled Britain with pageantry and promises, three financial heavyweights—Mark Spitznagel, Howard Marks, and Ray Dalio—offer a sobering counterpoint. Their warnings about market exuberance, tail-risk strategies, and suspicions over the fragility of global economic systems are getting louder.

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Entry 15: Letter from the Leverage Belt: Private Credit’s Quiet Revolution

Private credit is booming, and BDCs are leading the charge. With trillions in assets and growing leverage, these non-bank lenders are reshaping how mid-sized firms access capital — and raising questions about systemic risk.

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