
Communication Mechanisms in Global Virtual Teams and Influencing
Factors of Team Effectiveness
vorgelegt von
M. Sc.
Buket Celik Ünal
an der Fakultät V – Verkehrs- und Maschinensysteme
derTechnischen Universität Berlin
zur Erlangung des akademischen Grades
Doktorin der Ingenieurwissenschaften
– Dr.-Ing. –
genehmigte Dissertation
Promotionsausschuss:
Vorsitzender: Prof. Dr.-Ing. H. Meyer
Gutachter: Prof. Dr.-Ing. Matthias Rötting
Gutachter: Prof. Dr. Burcu Toker
Tag der wissenschaftlichen Aussprache: 03. Juni 2022
Berlin 2022

Communication Mechanisms in Global Virtual Teams and Influencing Factors of Team
Effectiveness
Acknowledgements
This dissertation is the result of my doctoral research work at the Chair of Human-Machine
Systems at the Technische Universität Berlin.
First and most I would like to thank my advisor Prof. Dr.-Ing. Matthias Rötting for taking on
the challenge of a long-distance research relationship. He was incredibly patient with me and
inspired me to work hard and think a step further. This made him the best supervisor I could
have imagined, and I am very thankful to having had the opportunity to work with him.
I would like to express my deepest appreciation to my committee I'm deeply indebted. I also
would like to thank Prof. Dr.-Ing. Henning Jürgen Meyer for his feedback and insights.
I would like to acknowledge the feedback and insight of Prof. Dr. Burcu Toker which had a
major impact on the quality of this research.
I am very grateful for the opportunity to work in the creative environment of the Chair of
Human-Machine Systems.
I am very thankful to my family, in particular my parents Gülay and Mehmet Celik, and my
brother Mert Celik for their endless support over the decades and particularly in the years of
my undergraduate and the master’s that led to this PhD.
Lastly, I would like to give my warmest thanks to my husband Onur Unal for encouragement
and patience during the years of my studies and the process of this thesis. Finally, I am at a
point where he can spend all the time with his wife which he could not do over the last four
years.

Communication Mechanisms in Global Virtual Teams and Influencing Factors of Team
Effectiveness

Communication Mechanisms in Global Virtual Teams and Influencing Factors of Team
Effectiveness
Declaration of Originality
Hereby I declare that I wrote this thesis myself with the help of no more than the mentioned
literature and auxiliary means.
Berlin, 03.06.2022
BUKET CELIK ÜNAL

Communication Mechanisms in Global Virtual Teams and Influencing Factors of Team
Effectiveness
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