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Doctoral Theses

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18 December 2025RETENTION OF WORKING UNIVERSITY STUDENTS IN HIGHER EDUCATION: INSIGHTS FROM THE ESTONIAN CONTEXT
Supervisors: Professor Kaire Põder, Ph.D., Estonian Business School,
Assistant Professor Niveditha Prabakaran Pankova, Ph.D., Estonian Business School
Opponents: Associate Professor Maarja Beerkens, Ph.D., Institute of Public Administration, Leiden University, The Netherlands
Senior Lecturer Oleg Badunenko, Ph.D., Brunel Business School, Brunel University of London, United Kingdom
Mohammad Abu Sayed Toyon
2025INNOVATION IN GROWTH-ORIENTED MICROENTERPRISES: MOTIVATION, CAPABILITIES and SUPPORT NEEDSSupervisors: Associate Professor Kätlin Pulk, PhD, Estonian Business School,Associate Professor Kyllikki Taipale-Erävala, PhD, University of Eastern FinlandOpponents: Professor Ulla Hytti, PhD, Turku School of Economics, University of Turku, FinlandProfessor Emeritus Tõnis Mets, PhD, University of Tartu, EstoniaAnneli Bäck
2024Individual competencies and organisational support mechanisms to enhance virtual team success
Supervisors: Docent Peter Zettinig, Turku School of Economics, Finland
Professor Eriikka Paavilainen-Mäntymäki, Turku School of Economics, Finland
Senior Lecturer Marge Täks, PhD, Estonian Business SchoolOpponent: Professor Jakob Lauring Aarhus University, Denmark
*International dual doctorate, defence taking place at the University of Turku 
Sirja Sulakatko
2024Analysing Interorganisational Activities Between Cultural and Creative Industries and Other Sectors on A Managerial Level
Supervisor: Professor, Rector Emeritus Arno Almann, PhD
Estonian Business School
Opponents: Docent Mervi Luonila, DMus in Arts Management
Center for Cultural Policy Research CUPORE, Finland,
Assistant Professor Ellen Loots, PhD, Erasmus University Rotterdam, the Netherlands
Kristiina Urb
2024Intellectual Property as An Element of The Public Support System for Small and Medium Enterprises
Supervisors: Professor Tiit Elenurm, Ph.D., Estonian Business School, Adjunct Professor Katrin Nyman-Metcalf, Ph.D., Department of Law, School of Business and Governance, Tallinn University of Technology
Opponents: Professor Frantzeska Papadopoulou, Juris Doktor,  Law Faculty, Stockholm University, Sweden, Associate Professor Mervi Raudsaar, Ph.D. Faculty of Social Sciences, School of Economics and Business Administration, University of Tartu
Pawan Kumar Dutt
2023The Effects of External Group Supervision on Individual Professional Performance of Estonian Social Workers Supervisors:   Professor Kaire Põder, Ph.D., Estonian Business School, Professor Ruth Alas, Ph.D., Estonian Business SchoolOpponents: Associate Professor Judit Strömpl, Ph.D., Faculty of Social  Sciences, Institute of Social Studies, University of Tartu  Airi Mitendorf, Ph.D., Development Manager, The National Institute for Health Development Tiina Merkuljeva
2023Situation Similarity Calculus Based Modeling of Decision-Making Process in Urban Transportation ManagementSupervisor:   Professor Peeter Lorents, Ph.D., Estonian Business School, EstoniaOpponents: Dr. Gabriel Jakobson, Ph.D., Chief Scientist, CyberGem Consulting, Chestnut Hill, MA, USAAssistant Professor Robert Dygas, PhD., SGH Warsaw School of Economics, PolandMaryna Averkyna
2022A Contingent Relationship Between Corporate Social and Financial Performance: The Role of Information Demand and The Signaling EnvironmentSupervisor:   Senior Lecturer Alar Kein, Ph.D., Estonian Business School, EstoniaOpponents: Associate Professor Lenno Uusküla, Ph.D., University of Tartu, Estonia, Chief Economist, Luminor EstoniaAssistant Professor Silvia Blasi, Ph.D., University of Verona, ItalyRenee Pesor
2022Managerial Perspectives on Fostering Intrapreneurship in Organisations Through Education and TrainingSupervisors:  Professor Olav Aarna, PhD., D.Sc., Estonian Business School, EstoniaSenior Lecturer Marge Täks, Ph.D., Estonian Business School, EstoniaOpponents:   Professor Alexandre Ardichvili, Ph.D., Department of Organizational Leadership, Policy, and Development, University of Minnesota, Minneapolis, USAProfessor Mathew Hughes, Ph.D., School of Business and Economics, Loughborough University, United KingdomMart Kikas
2021The Dark and the Bright Side of Empowering Leadership: the Role of Empathy in Times of UncertaintySupervisors:   Mario Martínez-Córcoles, Ph.D., Assistant Professor, University of Valencia, SpainProfessor Ruth Alas, Ph.D., Estonian Business School, EstoniaOpponents:   Professor Levente Littvay, Ph.D., Central European  University, Budapest, Hungary.Associate Professor, Kurmet Kivipõld, Ph.D., University of Tartu, Estonia.Konstantinos Stephanou
2021Organizational Performance Evaluation in Cultural and Creative Industries Organizations: The Example of EstoniaSupervisor: Ülle Pihlak, PhD, senior lecturer, Estonian Business School
Professor Toomas Haldma, PhD, University of TartuOpponents: Professor Annick Schramme, PhD, Antwerp Management SchoolProfessor Martin Piber, PhD, The University of Innsbruck
Marge Sassi
2021The Impact of Total Quality Management on Business Performance: Evidence from the Estonian Tourism SectorSupervisor: professor Kaire Põder, PhD, Estonian Business Schoolprofessor Katri Kerem, Ph.D., Estonian Business SchoolOpponents: Dr Declan P Bannon, PhD, AFG College with the University of Aberdeen, ScotlandDr Brent McKenzie, PhD, University of Guelph, CanadaTriin Veideman
2021Responsible Management Education: Practices, Challenges, and ProspectsSupervisors: Professor Olav Aarna, PhD, Estonian Business SchoolProfessor Mari Kooskora, PhD, Estonian Business SchoolOpponents: Professor Anders Ragnar Örtenblad, PhD, Professor of Work Life Science, University of Agder, Norway
Nikodemus Solitander, PhD, Sinituote Postdoctoral Researcher of Supply Chain Management and Social Responsibility, Hanken School of Economics, Finland.
Hala A. Abdelgaffar
2020A Process-Trace of Selected Innovation- and Technology-Led Economic Growth Factors and Their Implications For Estonia´s Economic DevelopmentSupervisor: professor Olav Aarna, PhD, Estonian Business SchoolOpponents: professor Hannu Ruonavaara, Professor of Sociology, University of Turku, Finland
Ott Pärna, PhD, School of Economics and Business Administration, University of Tartu
Andrew Adjah Sai
2020 Inclusion of Values in a Country-Level Typology of Corporate Governance Systems
Supervisor: professor Mike Wahl, PhD, Estonian Business School
Opponents: professor Emeritus Tom Berglund, Dr.Sc. (Econ.), Department of Economics, Hanken School of Economics, Finland
Dr. Mare Ainsaar, PhD, Senior Research Fellow in Sociology and Social Policy, Institute of Social Studies, University of Tartu 
Supriya Banerjee
2020Sustainability of the Regional Airline Model in the Legal Framework of the European Union
Supervisor: professor Kaire Põder, PhD, Estonian Business School
Opponents: professor Manuela Tvaronavičienė, PhD, Vilnius Gediminas Technical University, Lithuania & Enno Lend, PhD, Tallinn University of Applied Sciences, Estonia
 
Sven Kukemelk
2020Determinants of Market Entry Mode For Finnish SMEs Entering Neighbouring Catch-Up and Emerging Markets
Supervisor: Professor Tiit Elenurm, PhD, Estonian Business School
Opponents: Professor Gunnar Prause, Dr. math., Faculty of Business, Business Informatics, University of Wismar, Germany
Professor Arto Ojala, PhD in Econ. School of Marketing and Communication, International Business University of Vaasa, Finland 
Faisal Shahzad
2019Young Students´ Online Social Networking Readiness For Entrepreneurship in Small Developing European EconomiesSupervisor: professor Tiit Elenurm, PhD, Estonian Business SchoolOpponents: Mervi Raudsaar, PhD, University of Tartu & professor Andrea Gelei, PhD, Corvinus University of Budapest, HungaryOliana Sula
2019 Books and Biases – the Explanation for Bounded Rationality in Managing Personal FinancesSupervisor: professor Katri Kerem, Ph.D., Estonian Business SchoolOpponents: professor Liga Peiseniece, D.Sc., BA School of Business and Finance, Latvia & emeritus professor Fred van Raaij, Ph.D., Tilburg University, The NetherlandsLeonore Riitsalu
2019 Emerging Patterns of Digitalization in the Estonian Music IndustrySupervisors: professor Ruth Alas, Ph.D., Estonian Business School & professor Meelis Kitsing, Ph.D., Estonian Business SchoolOpponents: Professor Tanja Johansson, D.Sc. Econ., Sibelius Academy, Finland & professor Tuomas Auvinen, Ph.D., Aalto University, FinlandJuko-Mart Kõlar
2018 Strategic Management of Economic Development: How Developed Countries Became Developed and Why Georgia Remains A Backward EconomySupervisor: professor Olav Aarna, Ph.D., Estonian Business SchoolOpponents: professor Giga Gavtadze, Ph.D., Akaki Tsereteli State University, Georgia & associate professor Diana Eerma, Ph.D., University of TartuGivi Kupatadze
2018 Managing the Risk of Discrepancies in Documentary Letters of Credit: Study of Export DLCs in EstoniaSupervisors: professor Olav Aarna, Ph.D., Estonian Business School & professor Tanel Kerikmäe Ph.D., D.Sc., Tallinn University of Technology
Opponents: associate professor Dr. Natalia Konovalova, RISEBA University, Latvia & associate professor Dr. iur. Andres Vutt, University of Tartu
Hamed Alavi
2018Factors Affecting Organizational Commitment Among Teachers in Egyptian Public Primary Schools 2018
Supervisors: Professor Ruth Alas, Estonian Business School & Associate Professor Riina Koris, Estonian Business School
Opponents: Professor dr. Vilmante Kumpikaite-Valiuniene, Kaunas University of Technology & Maris Zernand-Vilson, PhD, Tallinn University of Technology
Mohamed Mousa
2017Managing Societal Interactions in the Context of Changed Legal Status of Estonian Public Cultural Organisations
Supervisors: professor Ruth Alas, Estonian Business School & professor Annukka Jyrämä, Aalto University and Estonian Academy of Music and Theatre
Opponents: professor dr. Annick Schramme, University of Antwerp & assistant professor Tiina Ritvala, Aalto University School of Business
Kaari Kiitsak-Prikk
2016Athlete Brand Construction: a Conceptual Framework and a Perspective Based on Fans’ Perceptions
Supervisor: professor Katri Kerem, Estonian Business School
Opponents: Dr. Ulla-Riitta Ahlfors, University of Jyväskylä & associate professor Andres Kuusik, University of Tartu
Ali Hasaan
2016Developing Coaching Culture Through Coaching-Based Leadership Style
Supervisors: professor Ruth Alas, Estonian Business School & professor Olav Aarna, Estonian Business School
Opponents: professor Anu Virovere, Estonian Entrepreneurship University of Applied Sciences & Dr. Krista Tuulik, TLG Hotell
Signe Vesso
2015Multi-Level Analytical Frameworks for Supporting Cyber Security Legal Decision Making
Password: AgnesKasper
Supervisors: professor Peeter Lorents, Estonian Business School & professor Tanel Kerikmäe, Tallinn University of Technology
Opponents: professor Katrin Merike Nyman-Metcalf, Tallinn University of Technology & associate professor Rain Ottis, Tallinn University of Technology 
Agnes Kasper
2015Jätkusuutlikkuse suundumused Eesti kohalike omavalitsuse juhtimisinformatsioonis. Tallinna linna juhtumiuuringSupervisors: associate professor Mari Kooskora, Estonian Business School and associate professor Tarmo Kadak, Tallinn University of Technology
Opponents: associate professor emeritus Mari Meel, Tallinn University of Technology and professor Kaja Tampere, University of Tallinn
Lea Roostalu
2015Financial Services Innovation in EstoniaSupervisor: professor Ruth Alas, Estonian Business School
Opponents: professor emeritus Mart Sõrg, University of Tartu & professor Tatjana Volkova, BA School of Business and Finance, Latvia
Ly Hõbe
2015The Effectiveness of Intercultural Persuasive Communication in an Organisational Context: Influencing Factors
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: professor Robert Crane, INEEC Business School & professor emeritus Raimo Nurmi, University of Turku
Elena Pruvli
2015Adoption and Implementation of New Business Ideas in Estonian Business Organisations
Supervisors: professor Ruth Alas & associate professor Tiit Elenurm, Estonian Business School
Opponents: Milvi Tepp, PhD, Tallinn University of Technology & associate professor Mario Martinez-Corcoles, Tallinn University of Technology
Maris Zernand-Vilson
2014Finantsjuhtimise integreeritud mudel Eesti avaliku sektori organisatsioonide näitel
Supervisors: professor Arno Almann, Estonian Business School & professor Toomas Haldma, University of Tartu
Opponents: associate professor Tarmo Kadak, Tallinn University of Technology & associate professor Kertu Lääts, University of Tartu
Juta Tikk
2013A Cost Optimizing Model for IT Security
Supervisor: professor Peeter Lorents, Estonian Business School
Opponents: professor emeritus Leo Võhandu, Tallinn University of Technology, Estonia & professor Leo Mõtus, Tallinn University of Technology, Estonia
Jüri Kivimaa
2013Differences in Psychological Contracts in Estonia: the Role of Individual and Contextual Factors
Supervisors: professor Ruth Alas, Estonian Business School & Mare Teichmann, PhD, Tallinn University of Technology
Opponents: professor Remi Kouabenan, Universite Pierre Mendes, France & professor Barbara Koyusznik, University of Silesia in Katowice, Poland.
Liina Randmann
2013The Impact of Profit Measurement on the Financial Reporting and Analysis
Supervisors: professor Jaan Alver, Tallinn University of Technology & professor Ruth Alas, Estonian Business School
Opponents: associate professor Ruta Šneidere, University of Latvia, Latvia & associate professor Alla Ozeran, Vadym Hetman Kyiv National Economic University, Ukraine.
Maret Branten
2012An Evaluation of State-Level Strategies Against Botnets in the Context of Cyber Conflicts
Supervisor: professor Peeter Lorents, Estonian Business School
Opponents: Gabriel Jakobson, PhD, Chief Scientist, Altusys Corporation, USA & professor emeritus Leo Võhandu, Tallinn University of Technology, Estonia.
Christian Günter Czosseck
2012Change Management in Indian Organizations Compared to Chinese and Estonian Organizations
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: professor Kondur Harigopal, Institute of Advanced Management Education and Entrepreneurship, India & Vello Rääk, PhD, Tallinn University of Technology, Estonia. 
Ülle Pihlak
2012Strategic Management and Optimization System of Military Resources (Based on the Example of the Estonian Defence Forces)
Supervisors: professor Peeter Lorents & professor Olav Aarna, Estonian Business School
Opponents: dotsent J. F. M. Ugedo, University of Murcia, Spain & professor J.B.M. Kassarjian, Babson College, USA. 
Maritana Sedõševa
2012An Analysis of Factors in Developing a Cross-Border Knowledge Region: the Case of Helsinki and Tallinn City-Regions
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: professor Tõnu Oja, University of Tartu, Estonia & professor Vilmante Kumpikaite, Kaunas University of Technology, Lithuania
Merle Krigul
2010Territoriaalne kogukond ja selle juhtimise õiguslik korraldus
Supervisor: professor Arno Almann, Estonian Business School
Opponents: Mikk Lõhmus, PhD, Estonia & professor Kalle Merusk, University of Tartu, Estonia
Urmas Arumäe
2010Cross-Border Cooperation Institutional Organisation and its Role in Regional Development
Supervisors: professor Arno Almann, Estonian Business School & Erik Terk, PhD, Tallinn University
Opponents: professor Tõnu Oja, University of Tartu, Estonia & professor emeritus Jaak Leimann, Tallinn University of Technology, Estonia
Katri-Liis Lepik
2010Human Resource Management in Estonian Organisations: Formation of the Characteristics in the Institutional and Cultural Context
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: associate professor Vilmante Kumpikaite, Kaunas University of Technology, Lithuania & professor emeritus Raimo Nurmi, Turku School of Economics, Finland
Tõnu Kaarelson
2011Human Resource and Reputational Crises in Chinese Organisations
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: professor emeritus Raimo Nurmi, Turku School of Economics, Finland & associate professor Vilmante Kumpikaite, Kaunas University of Technology, Lithuania 
Junhong Gao
2009Strategy Creation in a Restructuring Environment the Case of an Estonian Fixed Telecommunications Operator Transferring to a Competitive Market in 1993 – 2003
Supervisor: professor Alari Purju, Estonian Business School
Opponents: professor Erik Terk, Tallinn University, Estonia & professor emeritus Raimo Nurmi, Turku School of Economics, Finland
Sven Heil
2009The Impact of Corporate Social Responsibility, and Organisational and Individual Factors on the Innovation Climate
Supervisor: professor Ruth Alas, Estonian Business School 
Opponents: professor Asta Pundzienė, ISM University of Management and Economics, Lithuania & professor emeritus Raimo Nurmi, Turku School of Economics, Finland
Ülle Übius
2009Organizational Changes in Chinese Companies Content, Readiness and Process (2001 – 2007)
Supervisor: professor Ruth Alas, Estonian Business School
Opponents: professor Asta Pundzienė, ISM University of Management and Economics, Lithuania & professor emeritus Raimo Nurmi, Turku School of Economics, Finland
Wei Sun
2009Leadership in transitional Estonia on the way to European Union
Supervisors: professor Raoul Üksvärav, Tallinn University of Technology & professor Ruth Alas, Estonian Business School
Opponents: professor emeritus Raimo Nurmi, Turku School of Economics, Finland & professor Nancy Papalexandris, Athens University of Economics and Business, Greece
Krista Tuulik