University Administration
President
Born in Athens Leonidas Phoebus Koskos studied law, economics, and political science at the University of Athens Law School and subsequently at the Law School of the Ludwig Maximilian University of Munich, where he was a scholarship recipient of the German Academic Exchange Service (DAAD).
A member of the Athens Bar Association, he continues to practice law, with a focus on corporate, labor, association and copyright law. He was Assistant to the Chair for the Philosophy of Law and Introduction to Jurisprudence at the University of Athens Law School.
Mr. Koskos served as president, executive vice-president and managing director of several large Greek industrial companies, where he introduced modern management principles, and designed and led the transition from owner-based enterprises to professionally managed firms. Moreover, he designed and implemented a plan for the restructuring and recovery of two ailing industrial companies.
Mr. Koskos was involved in several industry and employer associations that seek to raise awareness of the role of private initiative and the difficulties it faces in Greece. He was a member of the Board of Directors of the Federation of Greek Industries , co-founder and president of the Federation of Greek Food Industries , and co-founder, secretary general and president of the National Council for Private Initiative.
He was equally active in similar European organizations, serving as vice-president and then as an elected president of Confédération des Industries Agro-Alimentaires de l'Union Européenne, which represents the interests of more than 500,000 European businesses. He was also a member of the Committee of the European Social Fund.
Mr. Koskos served as president and governor of the National Welfare Organization, an organization that helps less privileged social groups in Greece. As Executive Director of the Hellenic American Union, he revitalized the organization and repositioned it at the forefront of Greece’s cultural and educational life. As chief executive officer of these state and private public-benefit organizations, Mr. Koskos developed a range of cultural and educational initiatives such as international conferences, research programs, art exhibitions, and seminars.
Continuing his leadership role in education, he was appointed executive vice president of Hellenic American University in 2004 and became its president in 2012, a position he continues to hold.
Mr. Koskos has been a steadfast advocate of economic and political reform. In numerous articles and interviews in print and digital media, lectures, and participation in public debates, especially during the years 1976-1989, he has supported the need to keep public debt at low levels, abolish state monopolies, protect consumers and implement European Union rules and directives in the country.
Mr. Koskos is an Eisenhower Fellow (1985) and the recipient of the Chevalier dans l’ Ordre des Palmes Académiques. He is a member of the Board of Directors of the Center for Liberal Studies- Markos Dragoumis (KEFIM) and member of the Board of Directors of the Engineering, Project, and Production Management Association (EPPM Association).
Mr. Koskos speaks Greek, English, German and French.
Executive Vice President and Chief Financial Officer
Leonidas Tzonis is Executive Vice President and Chief Financial Officer of Hellenic American University. He is also the Vice chair of the Board of Directors of Hellenic American Union. Dr. Tzonis holds a Ph.D. from the Newcastle Business School, UK, an M.Sc. in Finance and Investment, a PG Certificate in Higher Education from the University of Durham, and a B.Sc. in Economics and Business Finance from Brunel University. He was a full-time member of the Business School Faculty at Durham University, a visiting lecturer at the Singapore Institute of Management, and a distance learning tutor for SOAS (University of London). He served as Professor of Business at Hellenic American University before assuming duties as Executive Vice President. As a consultant he works with firms in Greece, Northern Africa and Central Asia. He was involved in the creation of Higher Education institutions in various countries including Cyprus, Libya and Mongolia. Dr. Tzonis is a member of the Culture Committee of the American Hellenic Chamber of Commerce (AmCham), while he chairs the Education Committee of the Hellenic Indian Chamber of Commerce. Dr. Tzonis is an active member of Hellenic American Leadership Council (HALC) and the American Hellenic Institute (AHI). He also represents Hellenic American University and Hellenic American College at the Hellenic Association of Entrepreneurs and the Panhellenic Exporters Association. In 2022 he received an honorary PhD from the Warsaw University of Business in Poland.
Provost and Chief Academic Officer
Themis Kaniklidou is Provost and Chief Academic Officer at Hellenic American University. In this role, Dr. Kaniklidou is responsible for the academic enterprise of the University, across the Athens and Nashua instructional locations. She is also Associate Professor in Translation and Communication and Associate Director of the Ph.D. program at Hellenic American University.
Before assuming this role, she served as Associate Provost and Director of the Master of Arts in Translation She completed her Ph.D. (Language and Communication) working on Media Discourse and Translation at the University of Athens where she wrote her thesis on Narrative Theory and News Translation. She also holds an M.A. in Specialized Translation from the University of Surrey (2004) and a B.A. in Translation (2002) from the Ionian University of Foreign Languages – Department of Translation and Interpreting. Themis has been involved in various projects that link academia with the translation industry and EU institutions, and since 2015, is an active member of EURASHE. She has organized international conferences, has given keynote addresses and has participated in panel discussions as a discussant. Since 2008, Themis has been teaching graduate and undergraduate courses in Translation Studies, Terminology, EU Translation, and Language and Communication, Greek culture and ethics and western culture. She has been visiting scholar at the communications department at Rollins College, USA and a part-time lecturer at the University of North Carolina at Charlotte. She has supervised M.A. dissertations and has been mentoring graduate and Ph.D. students. Themis Kaniklidou has chaired the steering committee of International Conferences Europe in Discourse. Themis has published her work in peer-reviewed journals and has written chapters for edited textbooks. She has refereed articles for Rodopi and TEXT and TALK. Dr. Kaniklidou is the founder and co-coach of the HAU debate team.
Dean of Digital Learning and Education innovation
Dimitris Tolias holds a B.A. in Literature and Linguistics from the University of Athens, an M.A. in Applied Linguistics from the University of Exeter, UK, and a Ph.D. in Applied Linguistics from Hellenic American University, USA. From 1991 to 2001, he taught writing and research courses at the American College of Greece (Deree College). Between 1995 and 1999, he also taught writing and methodology courses in the English Department of the University of Athens.
Dr. Tolias is the author and co-author of several course books on teaching Greek as a Foreign/Second Language and co-author and editor-in-chief of a handbook for teachers of Greek as a Foreign Language. At Hellenic American University, he has served as Head Librarian and currently teaches courses in academic writing, communication, critical thinking, second language acquisition, critical discourse analysis, intercultural communication, and the application of artificial intelligence in education and professional settings.
He serves as the Director of the M.A. in Applied Linguistics/TESOL Program and the Director of the Center for Teaching Excellence. Since September 1, 2021, he has held the position of Dean for Digital Learning and Education Innovation. In this role, he oversees the university's digital transformation initiatives and provides strategic direction for integrating innovative technologies into teaching and learning.
Dr. Tolias is deeply involved in training academics and professionals in artificial intelligence, large language models (LLMs), and natural language processing (NLP), focusing on their pedagogical and practical applications in various professional domains. His research interests include e-learning, the design of virtual learning environments, and understanding and leveraging AI tools to enhance teaching, learning, and professional practices.
Dean for Global and Student Engagement
Dr. Ermioni Karachaliou holds a BArch and MArch from the National Technical University of Athens and her Ph.D. in Art History and Visual Studies from the University of Manchester (UK). Dr. Karachaliou is a higher education professional with extensive experience in academic leadership, international program development, and student engagement. She currently serves as Dean of Global and Student Engagement at the Hellenic American University/ Hellenic American College, where she oversees global partnerships, develops innovative academic programs in the field of study abroad. Her role also encompasses oversight of student affairs, ensuring a holistic and enriching experience for all students.
Previously, Dr. Karachaliou held several leadership positions, including Director of Student Affairs & International Programs and Director of the Lifelong Learning Education Center at the same institution and she has taught several courses at the University of Manchester and for public and private vocational training institutes in Athens. She has also undertaken administrative positions as the Head of the Art & Design Department of IVT Akmi and Delta, has presented papers at numerous international conferences and has published articles in refereed journals. Beyond academia, Dr. Karachaliou has contributed to the arts as Senior Curator at the Ilias Lalaounis Jewelry Museum with the exclusive donation of the Stavros Niarchos Foundation. Dr. Karachaliou is a member of the National Technical Chamber of Greece, the Association of Art Historians, and the Byzantine Studies Association of North America, and she has served twice in the Conference Committee for the Forum on Education Abroad Annual Conference.
Dean and Executive Director of the Nashua Campus
Marieke Martin received her Bachelor of Science in BioScience and Technology from the University of New Hampshire, and her Masters in Business Administration from Southern New Hampshire University. Currently, she is working toward completing her Ph.D. dissertation in International Business Strategy, from Southern of New Hampshire University. Her area of research focused, under the tutelage of the former chief economist for OPEC, on Emerging Capital Markets, (specifically Eastern European Market nations such as Russia and Turkey), innovation and international new ventures. Ms. Martin has worked in the private sector participating in many government-funded research projects focused both in finance and biotechnology. Prior to her recruitment at CitiGroup as a Wealth Manager, she worked as the Northeast Technical Specialist for the German biotech firm Machery-Nagel, a worldwide maker of medical research chemicals and filters, where she worked on corporate and government research project implementation and management, and U.S. and international business development.