▲ President Lee Jae Myung (L) and first lady Kim Hea Kyung arrive in San Francisco, the United States, on July 24, 2026 for a two-day trip. (Yonhap)

By Park Boram

SAN FRANCISCO, July 25 (Yonhap) -- President Lee Jae Myung wrapped up a two-day visit to San Francisco aimed at promoting artificial intelligence (AI) cooperation on Saturday and departed for Brazil as part of a three-nation South America tour for summits with regional leaders.

During his visit to San Francisco on Friday and Saturday, the South Korean president met with the chiefs of four global tech giants, including OpenAI Chief Executive Officer Sam Altman and Nvidia Corp. CEO Jensen Huang, calling for closer partnerships with South Korean firms in AI.

At a separate high-level meeting attended by Lee, global tech giants and South Korean tech conglomerates agreed to pursue a series of cooperation projects worth a combined US$950 billion.

The projects include a long-term deal under which SK Group will supply $750 billion worth of high-performance semiconductors to Nvidia and others.

As part of the South America tour, Lee will first pay a four-day state visit to Brazil from Sunday, which will include a summit with Brazilian President Luiz Inacio Lula da Silva in the capital, Brasilia, on Monday, followed by a business roundtable in Sao Paulo on Tuesday.

After Brazil, the president will travel to Chile and Argentina through Aug. 1.

The South America tour is expected to focus on strengthening cooperation in critical minerals and supply chains.

On Aug. 2, the president will make a stopover in Frankfurt, Germany, where he will meet with South Korean residents there before returning home the following day.

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