William Arthur Kastler

Site Lead @Viessmann Climate Solutions

Prague, CZ

Leading Viessmann’s international growth hub — a strategic center for innovation, digital transformation, and cultural integration. Responsible for day-to-day operations, long-term site vision, local partnerships, and fostering a vibrant, high-performing team.Key Focus Areas: • Developed and executed local strategy aligned with group objectives • Built a multicultural, collaborative environment supporting over 20 functions • Represented the company in the Czech tech, HR and innovation ecosystem • Drove employee engagement, well-being, and inclusion at site level • Oversaw internal and external communications for the hub • Collaborated cross-functionally with business, IT, and HR leaders in multiple countriesHighlights: • Fully operational site within less than a year • Fostered new ways of working, employee centred benefits and significantly reduced time to hire. • Positioned the Prague hub as a model for global collaboration and employee experience