As an independent real estate appraiser, Stefan is well-experienced in the industry. As a synergist, he brings together the right people into a team. As the founder, he makes sure that everything is in order and sets a goal.

Stefan is the central communication bridge to our programmers. Through his long-standing Experience in the development of complex software solutions he asks the right questions at the right time.

With her Bachelor's degree in Applied Mathematics and Computer Science and her natural creativity, Kate brings our Prototypes to the highest quality level and thus ensures the ongoing improvement of PropTrek.