Staff

Prof. Dr. Sara Ravan Ramzani joined Gisma in October 2022. Sara has several years of experience as a principal lecturer, programme team leader and postgraduate director at international universities in Berlin, Malaysia and Singapore.

In January 2022, Tilmann relocated to the Berlin-Brandenburg area working now as Professor for International Business Management at Gisma University of Applied Sciences in Potsdam. 

Prof. Dr. Varun Gupta is a Professor at Gisma University of Applied Sciences, Potsdam, Germany. He also serves as the Head of the Multidisciplinary Research Centre for Innovations in SMEs (MrciS) at Gisma.

Professor Dr. Ramon O’Callaghan serves as the President of Gisma.

Dr. Ahmad Abu-Alkheil is the Programme Leader for Global MBA and International Business Management courses at Gisma.

Roy joined the faculty of GEM in August 2000, he later became the Dean and Academic Director of GEM’s London campus in 2015.

Saud Ahmad holds a master’s degree in International Business from London Metropolitan University.

Tina Roso has more than 20 years of experience in the corporate world, specialising in general management, strategic marketing development, brand development and markets development.

Yannis Salavopoulos is a University Lecturer at Gisma University of Applied Sciences alongside at other German Business Universities. Moreover, he has given seminars, lectures and workshops at other Business Universities in Germany, UK, Switzerland, Greece (e.g. Imperial College London, York University, Geneva Business School and etc.).