Stefan Kieser

TK-World AG is a telecommunications company based in Buchen, Germany. TK-World AG specializes in tariff and connection marketing, offering a free partner program for specialist dealers and online marketers with over 1200 partners. The German company has successfully combined offline and online worlds of tariff and connection marketing for over 20 years. TK-World AG has worked with leading network operators such as Telekom Deutschland GmbH, Payback, Ströer Digital Publishing GmbH, and Vodafone, among others, to provide exclusive incentives and discounted prices for telecommunication products. The private company also operates a responsive shop system and provides personalized content media solutions with strong media partners for activating brands in print, on the web, mobile, and on-site. The company was founded in 2001 and is led by CEOs Kai-Uwe Flormann and Ralf Krippner.

Helicom Entwicklungsgesellschaft für Telekommunikation is a private company based in Muenster, DE. The company's experienced specialists in Muenster are responsible for creating successful and functional IoT solutions. The German company specializes in developing electronics for IoT projects. The CEO of the company is Ralf Krippner.