Kaz joined SoftBank Group in 2015 and later served as an Investment Director at SoftBank Vision Fund, investing in global technology companies as part of its U.S. investment team. He invested in leading technology companies including Databricks, Wiz, Perplexity, and Sierra, while supporting their expansion into Japan and helping bridge Silicon Valley and Asia.

As a Venture Partner at SBVA, he draws on his expertise and network across the U.S. technology and venture ecosystem to support a range of initiatives.