"I have always followed Marcel's colorful professional career with great interest. He takes great interest in people from whatever background and his advice is anything else than skin deep."
Christopher G. Moore
"Leider verlieren wir mit Ihnen einen der interessantesten Studierenden der letzten Jahre."
Dozent Soziale Arbeit, ZHAW,_Zürich
"Marcel's acute intelligence and enquiring mind coupled with a varied and unconventional life has made him the insightful and wise thinker he is today. He is a true philomath... and a good friend."
John P. Bowmer
Ehem. Chairman & CEO, Adecco
"Marcel hat uns bei Fragen, welche die Sozialhilfe betreffen, jeweils fachkundig beraten."
Br. Fidelis Schorer
Franziskanerpater und Spitalseelsorger, Glarus
"Marcel is a deep thinker on philosophy, psychology and culture and he cuts through difficult academic concepts to give us new understandings."
"The world needs you."
Dr. Marc Faber
"Every university would be proud to have you as a philosophy student."
Prof Dr Sc Aneta Karageorgieva
Professor of Philosophy, Sofia University St. Kl. Ohridski
"Marcel, you are a person of great character and virtue."
Fasil Merawi PhD
Lecturer in Philosophy, Addis Abeba University