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Perimeter Listening / Business

Net Interest Extra

Marc Rubinstein

Marc Rubinstein’s interview companion to the Net Interest newsletter, exploring financial businesses and markets with industry practitioners. Conversations include banking, investment management and the forces shaping financial institutions.

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BankingInvestment managementFinancial institutionsCreditFinancial technology

The show

Practitioner interviews. Subscriber-supported, with some full episodes reserved for paid Net Interest subscribers. · Net Interest

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Marc Rubinstein seated, wearing glasses and a blue jacket.

Host; Writer of Net Interest

Marc Rubinstein

Marc Rubinstein writes Net Interest and hosts its companion podcast, Net Interest Extra. He is a former investment analyst and hedge-fund manager with more than twenty-five years of experience in finance, including a decade as a partner at Lansdowne Partners. Before that, he worked as an investment-bank analyst. His work examines the financial industry through writing and practitioner interviews. He also consults for companies and investment firms and invests in early-stage financial technology businesses.

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Sources & further reading

Profile checked September 18, 2026. Editorial notes are Perimeter’s interpretation.