Exclusive: Flywire founder’s family office preps second fund – as first heads for ‘super return’

José Nistal, CEO and CIO of Zubi Capital. Press photo/Impact Loop design
9 Nov 2026
07:00
Zubi Capital, the investment vehicle of Flywire founder Iker Marcaide, has seen "super returns" from its first impact debt fund.

Now it is preparing a much bigger second fund, and wants institutions to provide most of the capital.

In an exclusive interview with Impact Loop, Zubi Capital CEO José Nistal explains:

→ How it got its debt fund to deliver 'super returns'
→ Why the family is now stepping back and letting institutions in
→ The growing role of venture debt in impact investing

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