Mr. Griessel is a seasoned executive with over 40 years of leadership experience in defense, aerospace, investment, tourism, and manufacturing. He currently serves as CEO of Copperstone Capital Partners, the Ichikowitz family’s asset management entity overseeing a portfolio of investments in a variety of sectors including software and defense.
Previously, Mr. Griessel was Group CEO of Paramount Group Ltd, a global aerospace and defense original equipment manufacturer (OEM), where he led the company’s transformation into a globally licensed OEM, deploying IP and manufacturing in 25+ countries—delivering advanced capabilities in sovereign defense. This aligns directly with XTI’s strategy to serve high-value special mission operators and defense partners seeking VTOL solutions without reliance on new infrastructure.”
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