Say hello
to your team

We’re small, but powerful.  Our team combines know-how of different fields into one goal: Decrease the perception gap between employers and their workforce. Get to know us!

David Wartmann

Through his master degree in Business Management (HSG) and his practical work as a board member in the family business, David brings a valuable combination of theoretical knowledge and practical expertise to Joineer. His accurate way of working helps us keep track of the details and in Product Development. Economic and social sustainability were of great importance to David during his studies, which he now lives on with Joineer.

Fabian Jäger

In addition to studying communications at the University of Applied Sciences Zurich (HWZ), Fabian has also acquired a wealth of experience in various areas. As a member of the executive board of a company that creates modern workplace concepts, he has worked very profoundly to create optimal working conditions. He is now pushing this vision of providing each employee with an optimal environment for top performance at Joineer.

Nicola Ferroni

Our creative thinker worked in various advertising agencies, where he was also able to gain leadership experience. In addition to his professional career Nicola studied Business Communication at the University of Applied Sciences Zurich (HWZ). With his know-how, he supports us in design and conceptual thinking. The idea of ​​making it easier for employees to help shape organizations is his greatest motivation.

David Christen

Ambitious, driven and with a real passion for entrepreneurship. David has proven his talents for taking calculated risks and turning ideas into reality when founding the ETH Spin-off ServiceHunter AG ( He has chosen Joineer as his next entrepreneurial adventure because he believes in the immense potential impact that it’s products can bring to the workforces worldwide.

Dr. Hansruedi Heeb

Hansruedi is a 20 year startup veteran and his biggest success was being founding CEO of a startup that did an IPO after raising 25M$ in three venture rounds. After his successful exit and some years of building, leading and motivating top international teams he decided to join Joineer as a CTO. With his broad technology knowledge in soft and hardware and his track record in turning innovative ideas into business opportunities he is the perfect match for Joineer.

Patric Hauser

Patrick, our youngest and yet well experienced team member. He supports the team with his great conceptual inputs and his talent for acquisition. Although being a intern in a startup isn’t not always fun, he completely understands the importance of determination and entrepreneurial spirit and shares every sense of it with the other team members.