K. KARATSOLIS – E. TSIANTI & ASSOCIATES LAW FIRM
The legal scope regarding environmental protection on the basis of investment growth is an essential topic of discussions and debates, which are developing rapidly at European level.
The accurate recording of the current legislative framework as well as this of the specific features of each investment under the lens of case-law are the guidelines under which our Firm provides its services, aiming at success based on the principle of sustainable development.
DTK Law Firm specializes and aims at high standards of legal services with extensive experience in the following fields of Law:
Environment
Spatial Planning
Urban Planning
Licensing
Building Permits
Strategic and Public Investments
Sustainability
and a holistic approach to all cases is the greatest advantage of our Associates.
PARTNERS & ASSOCIATES

Konstantinos Karatsolis
- Attorney at Law, Manager and Partner
- Specialization in Urban and Spatial Planning Law, Environmental Law and Public and Private Works Law
- Legal Advisor to Ministries, the Technical Chamber of Greece, Hellenic Republic Asset Development Fund (HRADF) S.A. and other Administrative Bodies
- Introduction, formulation and legal elaboration of the institutions of Building Auditors and the Electronic Building Identity in the national legal framework
- Member of the Special Legislative Committee for the Urban and Spatial Planning Law Code
- Member of Working Group of the Ministry of Environment and Energy for the designation of a Road Map for the creation of a National Observatory of Sustainable Cities
- Teaching of Urban Planning Law at the School of Civil Engineering of the National Technical University of Athens (NTUA) and at the Neapolis University of Cyprus
- Coordination and legal support to the Interdisciplinary Team that undertook the drafting of the City Climate Contract of the Municipality of Ioannina, in the framework of the European Union’s “100 Climate Neutral Cities” Programme (“Cities Mission”)
- Speaker at conferences and workshops
- Author of legal scientific articles
- Speaker at conferences and thematic meetings
- Author and editor of legal articles and publications
- PhD “Green Urban Transformation and Urban Planning Law Tools” – School of Architecture, University of Patras

Irini Tsianti
- Attorney at Law, Manager and Partner
- Extensive litigation experience in Urban and Spatial Planning Law and Engineering regulations
- Expertise in Company Law, Enforcement proceedings, Contract & Transaction Law
- Legal Associate of the Management of the Hellenic Republic Asset Development Fund (HRADF) S.A.
- Legal Advisor in Urban Planning cases of Municipalities in Attica

Eleftheria Volaki
- Attorney at Law – Partner specialized in Environmental, Urban and Spatial Planning Law and Real Estate Development.
- L.L.B., Law School of the National and Kapodistrian University of Athens (NKUA).
- L.L.M. “Public Law – Public Policies”, specialization in “Environmental Law”, Law School of the National and Kapodistrian University of Athens (NKUA).
- Certified ESG Officer (CSRO) TÜV AUSTRIA HELLAS.
- Dealing mainly with Special Urban Plans, Strategic Investments, development of properties with special environmental – urban planning characteristics and restrictions (streams, seashore, cultural heritage protection, natura 2000 etc), sustainability reports ESG.
- Writer of scientific legal articles and studies.
- Participation in collective legal books in the field of Environmental Law and Sustainability.
- Speaker at scientific conferences on Environmental and Urban Law.

Athina Michalakea
- L.L.B., Law School of the National and Kapodistrian University of Athens (NKUA)
- M.A. in Political Science and Sociology, National and Kapodistrian University of Athens (NKUA)
- PhD cand., University of London
- Writer of scientific legal articles and studies
- Participation in collective legal books in the field of Environmental Law and Sustainability
- Speaker at scientific seminars on Environmental Law and Sustainability topics

Evangelia Koloventzou
- Attorney at Law specialized in Sustainability, Urban and Spatial Planning Law
- L.L.B., Law School of Democritus University of Thrace
- LL.M. in Law and Sustainability in the EU, Utrecht University
- Specialization in drafting legal sustainability reports
- Professional experience in a multinational corporation – Contract management in Industry & Supply sector
- Certified knowledge in English, French and Italian legal terminology
- Writer of scientific legal articles and studies
- Participation in collective legal books in the field of Environmental Law and Sustainability

Ifigeneia Tsakalogianni
LL.M., MSc, PhD (c)
- Attorney at Law specialized in Environmental and Sustainability Law
- L.L.B., Law School of the National and Kapodistrian University of Athens (NKUA)
- L.L.M. “Public Law – Public Policies”, specialization in “Environmental Law”, Law School of the National and Kapodistrian University of Athens (NKUA)
- MSc «Climate Crisis and Information and Communication Technologies», Information and Communication Technologies School of University of Piraeus
- PhD cand. at Hasselt University (Belgium) and Maastricht University (The Netherlands)
- Dealing mainly with Public – Administrative, Environmental and European Law cases
- Public procurement specialist, tender management
- Participation in legislative committees
- Legal translations and editing
- Writer and editor of scientific legal articles and studies
- Participation and editing of collective legal books in the field of Environmental Law and Sustainability
- Speaker at scientific conferences on Environmental Law and Sustainability topics

Ioanna Vasilopoulou
- Attorney at Law specialized in Environmental, Urban, Spatial Planning and Cultural Heritage Law
- L.L.B., Law School of the National and Kapodistrian University of Athens (NKUA)
- L.L.M. “Public Law – Public Policies”, specialization in “Environmental Law”, Law School of the National and Kapodistrian University of Athens (NKUA)
- Writer of scientific legal articles and studies
- Participation in collective legal books in the field of Environmental Law and Sustainability
- Speaker at scientific conferences and seminars on Environmental Law and Sustainability topics

Nikolina Liasidou
- Graduate of the Department of Philosophy – Pedagogy and Psychology of the National and Kapodistrian University of Athens (NKUA)
- Specialized training certification in Psychology, National and Kapodistrian University of Athens (NKUA)
- Specialized training certification in the Paralegal Program of the National and Kapodistrian University of Athens (NKUA)
- Head of Administration (monitoring – drafting of contracts, monitoring of financial data, contribution to the company’s work for promotion and extroversion, project coordination)
- Support during the preparation of files for tenders

Athina Zoi
- Attorney at Law specialized in Environmental, Urban and Spatial Planning, and Energy Law.
- L.L.B., National and Kapodistrian University of Athens.
- L.L.M. in “Public Law – Public Policies” with specialization in Environmental Law, National and Kapodistrian University of Athens.
- MSc in “Law, Technology, and Economy,” Panteion University of Social and Political Sciences.
- Professional experience in European Institutions, such as the Legal Service of the European Parliament and the European Agency for the Cooperation of Energy Regulators (EU ACER).
- Writer of scientific legal articles and studies.
- Contribution to collective legal books on Environmental Law.
- Speaker at scientific conferences and seminars on Environmental Law.
- Fluent in English, French and Spanish.

Marianna Xafougianni
- Attorney at Law specialized in Environmental, Urban and Spatial Planning Law, and Public Procurement Law.
- L.L.B., Law School of the National and Kapodistrian University of Athens (NKUA).
- LL.M. “Public Law – Public Policies”, specialization in “Environmental Law”, Law School of the National and Kapodistrian University of Athens (NKUA).
- LL.M. (cand.) “International and European Energy Law”, Law School of Democritus University of Thrace (DUTH).
- Providing legal opinions and advisory services on complex matters related to land use, permitting, and environmental legislation.
- Dealing with Strategic Investments, regulatory management of real estate assets, from both urban planning and environmental compliance perspectives.
- Significant experience in public procurement law, including drafting and reviewing public contracts and tender documents, advising contracting authorities, and monitoring procurement procedures in complex regulatory frameworks.

Georgia Avgerou

- Lawyer with extensive experience and specialization in Public Law, with both litigation and advisory experience in Public Law and Civil Law cases.
- PhD at the Department of Public Administration, Panteion University of Social and Political Sciences, PhD topic: “The agreement of legislative and constitutional provisions regarding the protection of nature with European and international conventions” (2024).
- MSc in Public Administration from the Department of Public Administration, Panteion University of Social and Political Sciences (2017).
- Bachelor of Laws (LL.B.) from the Aristotle University of Thessaloniki (2015).

Konstantina (Nantia) Papaioannou
- Law School of the National and Kapodistrian University of Athens (NKUA), with a strong interest in Public Law, Environmental Law, and Spatial and Urban Planning Law.
- Writer of legal articles and studies.
- Participation in collective legal publications and projects.
- Knowledge of English and French.

Zoe Tsianti
- Administration support
- Preparation of public and civil litigation files
- Handling of files before the judicial authorities
- Filing of motions and submission of documents before the judicial and administrative authorities