Kurt Josef Zalto was former co-founder, designer and managing director of Zalto Glasmanufaktur GmbH. Since 2019, he serves as founding partner and chief designer at Josephinenhütte GmbH. Kurt Josef Zalto has no business affiliation with present-day Zalto Glas GmbH since 2009. Josephinenhütte GmbH maintains no economic ties with Zalto Glas GmbH.