Associate Professor at Department of Institutional and Applied Sociology, University of Plovdiv, and senior research fellow at Technology Studies Group, Institute of Studying Societies and Knowledge, Bulgarian Academy of Sciences.

Research Fellow at REC PAST-Centre, Tomsk State National Research University.

Ivan Tchalakov is working in the fields of Sociology of Sciences and Technologies, Sociology of Knowledge, and Economics of Technical Change. Between 1999 and 2003 he was elected as president of Bulgarian Sociological Association. He got M.A. in Sociology at University of Sofia (1984) and PhD at Institute of Sociology, Bulgarian Academy of Sciences (1988). In 1990/1991 academic year he specialized Science and Technology Dynamics Program at University of Amsterdam, The Netherlands. He had several DAAD fellowships (1994, 1998 and 2003) collaborating with prof. Karin Knorr-Cetina in ethnographic studies of scientific and engineering practice in optical labs in Bulgaria and Germany.

Since the mid-1990s he has also extensively studied the transformation of the research and innovation systems in post-socialist countriesand focuses on science and technology development in South-Eastern Europe after WW II. He has carried out several large EU and USA funded projects in the field, among them TACTIC, PROKNOW and ATACD projects under EU Framework IV and VI programs, Bulgaria after Wassenaar Agreement (McArthur Foundation), EE Economic Transition Policy Revisited: Neo-Schumpeterian Model (CPS – Central European University), Networks of Transition (Open Society Foundation), Electric Current’s Power (RiskMonitor Foundation).

Research interests: sociology of science and technology, economy of technical change, sociology of innovation, science and technology policy.

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Main publications:

Tchalakov, I. (2015) Invited Editor of the Special Volume of International Journal of Actor-Network Theory and Technological Innovation “New Space Entrepreneurship and Additive Manufacturing (3D Printing) as Challenges to Actor-Network Theory”, Volume 7, Issue 1

Tchalakov, I. (2015) The New Space Entrepreneurship and Its Techno-Economic Networks, in: International Journal of Actor-Network Theory and Technological Innovation (IJANTTI), Volume 7, Issue 1, pp.43-63

Tchalakov, I. and Juan Rogers (2014) Computer Networks as the Embodiment of Social Networks: The Role of National Scientific Communities in the Development of Internet in the U.S. and Bulgaria, in: International Journal of Actor-Network Theory and Technological Innovation, (IJANTTI) 6(4), September 2014

Tchalakov, I. (2014) Amateur’s Action in Science, in: Le sujet de l’acteur: an Anthropological Outlook on Actor-Network Theory, Special Volume of Morphomata Centre for Advances Studies ( Internationales Kolleg “Morphomata”), University of Cologne, Germany

Tchalakov, I., T. Mitev, and Ivaylo Hristov (2013) Bulgarian Power Relations: The Making of a Balkan Power Hub, in: Per Högselius, A. Hommels, A. Kaijser, E. van der Vleuten (eds),The Making of Europe’s Critical Infrastructure: Common Connections and Shared Vulnerabilities, Palgrave-MacMillan, London

Fabian Muniesa, F. and I. Tchalakov, (2012) Networks, Agents and Models: Objections and Explorations, in: International Journal of Actor-Network Theory and Technological Innovation, 4(1), January-March 2012, pp.13-23

Tchalakov, I. and Martin J. Ivanov (2012) Bulgarien: Die Kraft und der Widerstand des Stroms – Sozio-technische sowie techno-politische Spannungen bei der Einführung von erneuerbaren Energien in Bulgarien am Beispiel der Windenergie und der Photovoltaik (Bulgaria: Power and Resistance of Electricity — Socio-technical and techno-political tensions in expanding the renewable energy power production in Bulgaria based on the example of wind and photovoltaic energy), in: Sud-Ost Europa Mitteilungen, vol.5-6, 52. Jahrgang, pp.100-112

Tchalakov, I. (2011) The Socialist Entrepreneurs Viewed From the Joint Perspective of Joseph Schumpeter, Actor-Network Theory and Historical Sociology of Socialism, in: Research in Social Change, Number 3, Issue 1- January 2011, pp.15-51

Tchalakov, I. (2010) Control, More Control: Studying Practical Forms of Scientific Rationality in a Bulgarian holographic Laboratory, in: Almagest. International Journal for the History of Scientific Ideas, Vol. 1, Issue , pp.22-49

Tchalakov I., Т. Mitev and V. Petrov, (2010). The Academic Spin-Offs as an Engine of Economic Transition in Eastern Europe. A Path-Dependent Approach, in: Minerva, Vol. 48, No.2, Springer, pp.189-217.

Kopanov, P. I. Tchalakov, and D. Keskinova (2010). Networks Approach in Modeling Sociological Agent as Combination of Non-Determined Stochastic Automata, in: Sociological Problems, Special Issue, pp.222-241

Kapriev, G. and Ivan Tchalakov (2009) Actor-Network Theory and Byzantine Interpretation of Aristotle’s Theory of Action: Three Points of Possible Dialogue, in : 2008 Yearbook of the Institute for Advanced Studies on Science, Technologies & Society, Edited by Arno Bammé, Günter Getzinger, and Bernhard Wieser, Graz (Austria) – München (Germany), Profil

Vassileva, M., I.Tchalakov and V. Petrov (2008) – National Innovation System and Spin-Offs: The Case of Bulgaria, in: Entrepreneurship, Innovation and Competition, Institute of Economics, Skopje (Предприемништво: иновации и конкурентност, Економски институт, Универзитет „св. Кирил и Методий”), pp. 63-80

Tchalakov, I. (2007) Bulgaria, in: “Mittelstand” and Trade in South Eastern Europe: Social Market Economy as a Compass of Development, Conrad Adenauer Stiftung e.V., Sankt Augustin / Berlin, pp. 47-62

Tchalakov, I. (2007) Technology and the Models of Post-Socialist Economic Transition: Some Evidences from the Bulgarian experience, in: Governing Sociotechnical Change in Southeastern Europe: Contributions from A Science & Technology Studies Perspective, East-West Publishers, Sofia, 2007, pp.169-201

Mitev, T., Tchalakov I., (2007). From Sociology of Science to STS: The Bulgarian Case, in: Governing Sociotechnical Change in Southeastern Europe: Contributions from A Science & Technology Studies Perspective, East-West Publishers, Sofia, pp.43-52.

Tchalakov I., (2006). Socialism as Society of Networks and the Problem of Technological Innovations, in: Sociological Problems, Special Issue 2006, BAS Academic Publishers, Sofia, pp.343-371

Tchalakov, I (2005) — The History of Holographic Optical Storage at The Both Sides of The Iron Curtain — 1969-1989, ICON — The Journal of the International Committee for the History of Technology, vol.11

Tchalakov I., (2005). Technology and the Models of Post-Socialist Economic Transition, in: Sociological Problems, Special Issue 2005, BAS Academic Publishers, Sofia, pp.145-165

Tchalakov, I. and Georgi Kapriev (2005) — The Limits of Causal Action Actor-Network Theory Notion of Translation and Aristotle’s Notion of Action, in: 2005 — Yearbook of the IAS-STS, Edited by Arno Bammé, Günter Getzinger, and Bernhard Wieser, Graz, Austria, München, Profil, 35 pages

Tchalakov, I. (2004) — Language and Perception in the Coupling Between Human and Non-human Actors, in: 2004 — Yearbook of the Institute for Advanced Studies on Science, Technologies & Society, Edited by Arno Bammé, Günter Getzinger, and Bernhard Wieser, Graz, Austria.

Tchalakov, I. (2004) — The Object and the Other in Holographic Research — Approaching Passivity and Responsibility of Human Actors, in: Science, Technology & Human Values, vol.29 No.1

Tchalakov, I. (2004) – The Economic Transition in Bulgaria after 1989 and innovative entrepreneurship, in: Journal of Bulgarian Academy of Sciences, No.6, pp.16-22. (in Bulgarian)

Tchalakov, I. (2003) Joseph Schumpeter rethought: the classic ideas on the innovations in no-exchange economy at the light of some resent studies of the communist economy, in: Theory of Science, Vol.: XII/XXV/2003, No.3, Prague

Tchalakov, I. (2003) Socialism as a society of networks and the problem of economic development, in: Sociological Problems, No.1-2/2003, pp.106-130

Tchalakov I., (2002). Towards a Neoschumpeterian Model of Post-Socialist Economic Transition, in: Sociological Problems, Special Issue 2002, LIK Publishing House, Sofia, pp.115-128

Tchalakov I., (2002). Multiple Correspondence Analysis and its Application in Studying Relationships between Social Actors, in: Sociological Problems, No.1-2, pp.206-225 (in co-authorship with Donka Keskinova)

Tchalakov I., (2001). Cluster Analysis and its Application as Preliminary Step to the Use of Multiple Correspondence Analysis in Sociology, in: Sociological Problems, No.3-4, pp.174-198 (in co-authorship with Donka Keskinova)

Tchalakov, I. (2001) Instead of Diffusion: The Mutual Construction of Users of Advanced Communications Services in Bulgaria and of their Service Providers. In: International Summer Academy on Technology Studies 2001 — User Involvement in Technological Innovation, Deutschlandsberg, Austria.

Tchalakov, I. (2001)a — The Bulgarian Research System – Ten Years Later, in: D.Cox, P. Gummet , and K. Barker (edc.) Government Laboratories: Transition and Transformation, PREST, Univ. of Manchester, NATO Science Series 4: Vol 34

Tchalakov, I. (2001)b — Innovating in Bulgaria- Two cases in the life of a laboratory before and after 1989, in: Research Policy, Vol. 30/3 (Février), pp. 391-402

Tchalakov, I. (2001)c — La théorie des réseaux techno-économiques et le développement dans les économies administrées, dans: J.Boucher, G. Fotev et S. Koleva (s.d. de) Mutations de société en quête de sens, Éditions LIK

Chalakov, I., Kirov, V. (2000) — Risk Capital and Innovative Entrepreneurship in Bulgaria. In: J. Vladimirov (ed.) Contribution of Social Research to the Economic and Social Recovery Policy, Sofia: Sofiiski Novini Edition, pp. 158-171.

Tchalakov, I. (2000) — Bulgarian science in 20th century, in: Almanac Bularia 20th century, Sofia, Trud Priblishers, p..545-582 (in Bulgarian)

Tschalakov, I. (1999) — Dilemmata der wissenschaftlichen und technologischen entwicklung Bulgariens in Zeitraum 1950-1980, in: Hans Leo Kramer und Christo Stoyanov (eds), Bulgarien im Übergang, Edwin Ferger Verlag, pp.51-78

Tchalakov, I. (1997) — Innovation in the Non-Exchange Economy. An Essay on Joseph Schumpeter, in: Sociological Problems, No.4 (in Bulgarian)

Tchalakov, I. (1996) — Industrial Development and Ecological Risks, 1945-1990., in: Jacques Coenen-Huther (ed.) Bulgaria at the crossroads, Nova Science Publ. Inc, New York, 1996, pp. 245-258

Tchalakov, I., Boyadjieva, P. (1993) — A la périphérie de l’Europe: appréhension publique de la science en Bulgarie, in: Alliage, No.16-17, p. 67-74
Chalukov, I. T. (1993) The ecological awareness of Bulgarian Industrial Menagers. in: The Environmentalist, 1993, 3 (in co-authorship).

Kapriev, G., M. Roussel and I. Tchalakov (Eds.) (2014) — Le Sujet de l’Acteur. An Anthropological Outlook on Actor-Network Theory, MORPHOMATA Volume 21, Wilhelm Fink Publishers, Germany

Nukula, J. and Ivan Tchalakov (2013) Innovations and Entrepreneurs in Socialist and Post-Socialist Societies, Cambridge Scholar Publishing, Newcastle upon Tyne, UK (sample of the book available at )

Tchalakov I., Hristov I., Mitev T. (2011) The Black Holes of Bulgarian Power Industry. (Transformation of Electric Power Sector after 1989) East-West Publishing House, Sofia (in Bulgarian) (translated chapters from the book available at

Tchalakov I., Boundzhulov A., Hristov I. et all. (2008) The Networks of Transition: What Actually Happened in Bulgaria After 1989, East-West Publishing House, Sofia (in Bulgarian)

Rohracher, H., T. Mitev, I. Tchalakov, I. et al., H. (2007) Governing Sociotechnical Change in Southeastern Europe: Contributions from A Science & Technology Studies Perspective, East-West Publishers, Sofia,

Tchalakov I. et all. (2007) Economic Contribution of copyright based industries in Bulgaria, ‘Economy’ Publishing House, Sofia, (WIPO edition in English at )

Tchalakov, I. and D. Keskinova (2006) The Creative Industries in Plovdiv Region, British Council, Sofia. (available at
Burton P., and Ivan Tchalakov (eds.) (2001) — Project TACTICS (Telematics And Communications Technologies in South East Europe, Sofia, LIK Publishers
(information available at )

Tchalakov, I. (1999) — Emancipation of Credit: Transformation of Financial system, Entrepreneurship and Innovation in Bulgaria, Institute of Sociology, Sofia, (in co-authorship), 90 p.
Tchalakov, I. (1998) — Making a hologram: a book about the light, about the scientists and their world, «Marin Drinov» Academic Publishing House, Sofia, 252 p.

Tchalakov, I. (1994) – Science: A Life Outside the Laboratory, «Marin Drinov» Academic Publishing House, Sofia (in co-authorship)

Tchalakov, I. (1993) — The Chap. Social Worlds of Knowledge, Critics & Humanism Publ., Sofia, 214 p.

Tchalakov, I. (1993) — The Potential emigration of Bulgarian Scientists in 1990′s, Institute of Sociology, Sofia,(in co-authorschip), 78 p.

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