14 October 2026International edition
Vol. I · No.
14 October 2026
AI in Fashion
DAILY
The daily briefing on AI in the fashion business
Where fashion meets artificial intelligence.
Journalists and editors

Sergio Saiz

Journalist, Expansión

Sergio Saiz is a journalist at Expansión, the Spanish business daily. He writes about companies, markets and the business of sport and consumer brands.

Facts
RoleJournalist
OutletExpansión
BeatBusiness, markets, sports business

Who is Sergio Saiz?

Sergio Saiz is a journalist at Expansión, Spain's leading business and financial newspaper, published by Unidad Editorial. His work covers corporate news, markets and the commercial side of sport and consumer brands.

Career

Saiz's articles appear in Expansión and are syndicated to portals such as MSN España. His bylines have also appeared in a range of other Spanish publications.

Coverage

His recent reporting includes a piece on the stock trades disclosed by US President Donald Trump, a story on the commercial appeal of Barcelona footballer Lamine Yamal in the United States during the World Cup, and coverage of a US trade court ruling on tariffs.

  • Markets and investment
  • Trade policy and tariffs
  • Sports business and athlete marketing
  • Brand sponsorship

Sports business and athlete marketing are closely linked to the sportswear and fashion industries, where endorsement deals with high-profile athletes are a central part of brand strategy. Tariff coverage is likewise relevant to apparel companies that depend on international sourcing and exports.

Frequently asked questions

Who is Sergio Saiz?

Sergio Saiz is a journalist at the Spanish business daily Expansión.

What does Sergio Saiz write about?

He covers markets, trade policy and the business of sport, including athlete marketing.

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