About Us
Callista is a Swiss IT company specializing in providing experts and teams for consulting and engineering. With many years of experience in designing and building enterprise platforms and a clear focus on Agentic AI, we are shaping the digital future of our clients. We combine the proximity and quality of a Swiss partner with the scalability of our Nearshore Center and our Managed AI Agents.
Numbers
Leadership
Jethro I. Oudenbroek
Chairman
Dr. Roland Pieringer
Mitglied des Verwaltungsrats
Philip Achermann
Managing Partner
Matthias Weidlich
Managing Partner
Dr. Andrea Abelli
Managing Partner
The Team Supporting our Growth
Jennifer Mayer
HR & Backoffice Managerin
Marc Lauener
Corporate Services / Executive Assistant
Sven Roth
AI Solution Advisor
Goergis Halef
Key Account Manager
Slavisa Ostojic
Business Development Director
David Blam
Head Delivery
Ozleyis Cantekin
Recruiter
Renata Zeqiri
Recruiter / Account Manager
Thorsten Stockner
Recruiter
Laura Sacco
Executive Assistant
MASTERY
Competent & Ambitioned
We can only achieve the best results with the best people. After all, the success of a project always depends to a large extent on the people who work on it. That is why we at Callista consistently rely on employees with above-average professional and personal skills and ambition.
INTEGRITY
Entrepreneurial and Fair
Our unwavering goal is always the sustainable business success of all those involved - for our clients as well as for ourselves. This attitude has always been our driving force. That is why we at Callista always think and act entrepreneurially and fairly. Because we can only be successful together if it is advantageous for everyone involved.
CARING
Tailor-made & Personal
Tailor-made solutions for the individual challenges of our clients are important to us. That's why we focus on tailor-made solutions for projects, both in terms of the approach and the result, which we always develop in close personal exchange with our clients and experts.
AGILITY
Lean & Efficient
The leaner and more efficiently we achieve our goal, the more fulfilling the project work and the more satisfying the result for everyone involved. That is why at Callista, we organise ourselves as lean and efficiently as possible.