Karen Onuma-Mielke

About

Karen Onuma-Mielke is a commercial and go-to-market professional serving as Co-Founder & COO at GlobalDeal. With experience operating across international ecosystems, she works at the intersection of technology, market expansion, and cross-border business development. Her perspective brings valuable insights into how startups can navigate international growth, partnerships, and global market opportunities from Japan and beyond. The work is grounded in how companies find customers, communicate value, build trust, develop partnerships, and turn market interest into repeatable commercial momentum. In practice, that perspective connects positioning and communication with the day-to-day work of earning customer trust, developing channels, and creating commercial processes that can scale. Karen brings a practical perspective on go-to-market strategy, sales, positioning, customer development, partnerships, and cross-border growth.