Switzerland, Aug. 21 -- WISeKey International Holding Ltd., a global leader in cybersecurity, digital identity and IoT, announced the appointment of Alexander Hirsch as Group Chief Marketing Officer (CMO), with responsibility for coordinating and accelerating the marketing, communications, brand positioning and go-to-market activities of WISeKey Group and its affiliated companies, including its SEALSQ Corp (Nasdaq: LAES) ("SEALSQ"), SEALQUANTUM, WISeSat and WISeID subsidiaries.The appointment comes as the Group enters a new phase of international expansion across post-quantum cybersecurity, semiconductors, quantum technologies, satellite communications and digital identity. In his role as Group CMO, Mr. Hirsch will work closely with the lea...