
OUR TEAM
We are an experienced group of researchers and conservationists, dedicated to the protection of marine ecosystems and passionate about nature. iSea was founded on the belief that cumulative and cooperative change can have dramatic effects. The collective work of our team from marine biologists, to specialists in environmental management and educators, strives to shed light on some of the most pervasive issues affecting our oceans and propose alternatives to ensure a more sustainable future for us all.
We are working to involve citizens and local communities in the preservation of the marine environment based on science-based solutions
Our PARTNERS

Periklis Kleitou
Periklis Kleitou holds a BSc in Environmental Biology and Education (University of Brighton, UK) (2011-2014) and a MSc in Sustainable Aquaculture (University of St Andrews, UK) (2014-2017). During his first degree (2011-2014), he was also working part-time in Marine and Environmental Research (MER) Lab Ltd (Cyprus), while since 2014; he started working full-time and concurrently attended a distance-learning MSc. He has been involved and participated in several research programmes/projects related to the marine ecosystem, collection and analysis of fishery and biological data, monitoring of non-indigenous species, evaluation of anthropogenic impacts, environmental monitoring, habitat mapping and baseline surveys, sustainable aquaculture development as well as actions related to the dissemination and increase of the public environmental awareness. He holds good relationships with stakeholders, such as fishermen, aquaculture farmers, local and public bodies. He is a certified diver (FDI Free Diver, PADI Advanced Diver, PADI Deep Dive), boat captain, and first-aid agent while during his compulsory military service in Cyprus (2009-2011), he graduated as top from the 70th school of Navy Seals.
Email: [email protected]
Born in Thessaloniki, Ioannis is a graduate of the Biology Department of the Aristotle University of Thessaloniki, with a master’s degree in Fisheries Biology and Management from the same university. Currently, he continues his studies at the University of Patras in collaboration with the University of Padua as a Ph.D. candidate.
With over a decade of experience in Mediterranean apex predators conservation and having served in major organizations such as the Tethys Research Institute, the Institute of Marine Research and the European Commission’s Joint Research Centre, Ioannis currently coordinates several projects and initiatives related to the conservation of sharks and rays in the Mediterranean. At the same time, he is a member of the International Union for Conservation of Nature (IUCN) Shark Specialist Group, he is the representative of Greece in the European Elasmobranch Association and a member of the European Committee of the Society for Conservation Biology (SCB). He has more than 50 articles published in scientific journals and more than 40 communications at international and national conferences while he has been involved in the drafting of 3 Action Plans for Endangered Species and participated in the publication of 5 books. He speaks 3 foreign languages, Greek (native) English (C1), Spanish (B2) and is a PADI diving instructor.
Today Giannis serves as the Director of iSea.
Contact Info:
Email: [email protected]
tel. +302313090696

Vangelis Paravas
Born in Athens, he graduated from the faculty of Biology at the University of Crete. For more than 15 years he has dedicated his professional life to the protection of rare and endangered marine mammals and the management of marine and terrestrial habitat of Greece. As a biologist, he has worked with environmental organizations, research institutions and universities and public institutions. From 2008-2015 was the head of the Department of Protection and Policy of MOm / NGO for the Study and Protection of the Monk Seal. He designed and implemented actions for species protection programs and management of the marine and coastal environment among the Greek coastline, as well as in the Mediterranean, Atlantic and Pacific ocean. Today he works for the protection of the Greek seas, the design and operation of Marine Protected Areas and the promotion and implementation of sustainable and environmentally friendly fisheries management practices. He was President of MOm, member of the Board of Management Bodies of the National Marine Park of Alonnisos and the Northern Sporades, and the Protected Area of Northern Karpathos and Saria, and Greek Zoological Society and member of Nature 2000. He has published and presented his work in numerous scientific journals and relevant conferences in the international and local level. He is also a professional photographer with many individual and collective exhibitions to his credit, while most of his photos have been published in press, magazines, photo albums and books. He speaks four languages, Greek, English, German and Spanish.
Email: [email protected]
Our MEMBERS

Anastasia Charitou
Anastasia is an educator, graduated from the Department of Primary School Education, with a master degree in Environmental Education, the Aristotle University of Thessaloniki (Department of Biology in collaboration with the Department of Preschool Education). She has worked in the field of mainstream and special education for 4 years.
At iSea she was coordinating projects related to Aquatic Litter, since 2018. The projects were including the implementation of coastal and underwater cleanups, the active involvement of target groups in tackling the issue of marine litter pollution and the design and implementation of awareness raising campaigns on marine pollution from plastics and microplastics in the Greek seas.
She is now coordinating the “Human and Aquatic Ecosystem” department of iSea, as a Director, designing and implementing educational activities and projects aimed at the active involvement of the public in environmental protection with the aim to redefine our relation with the environment. She coordinated the publication of the environmental education guide for the disabled and is responsible for projects related to the promotion of active participation and the education of citizens for the sustainable management of the environment and the implementation of proper measures aiming at sustainable development.
Her main research interests are related to issues of environmental education and ethics, as well as environmental knowledge and perceptions of citizens on different environmental topics.
Contact Info:
Εmail: [email protected]
Tel. +302313090696
mob. +306947025392

Roxani Naasan Aga – Spyridopoulou
Roxani is an environmentalist, she is studying Marine sciences in University of Aegean. In iSea she did an internship (July-August 2018) on Aquatic Litter and in 2019 she started working οn projects of the “Aquatic Litter” and the “Vulnerable Species” departments. Currently, she is working as a Project Manager.
Her main research interests are related to elasmobranch ecology and biology and fisheries biology. She holds a license for speedboat and she’s multilingual (Greek, Arabic, English, French). She does know how to code in R. She is a qualified user of ArcGIS and SNAP(ESA). Furthermore, she knows how to use software for ecological data (Vissim, Populus, Primer, Presence, Distance).
Prior to this, she used to work with humanitarian NGOs for refugees in Greece where she participated (as a co-facilitator), in environmental awareness workshops while employed at Save the Children and Solidarity now.
Contact Info:
Email: [email protected]
tel. +302313090696
mob. +306944505224

Nikolaos Doumpas
Born in Thessaloniki, he is a graduate of the Department of Marine Sciences of the University of Aegean. He continues his studies in the Aristotle University of Thessaloniki in the Department of Biology, with postgraduate studies in aquacultures. He previously worked for Mediamatic in the Netherlands, in an aquaponics development project, a technique of simultaneously cultivation of fish and plants.
In addition, he has worked in the Fisheries Department of the Regional Unit of Lesvos in the context of his internship. His research interests concern recreational fishing and its viability in Greece, an interest that has led in the creation of the first Greek recreational fishing guide, based on the newest published scientific information, in collaboration with the University of Patras and an experienced recreational fisher. At the same time he is interested in sustainable seafood consumption with aspects such as the promotion of the consumption of edible alien species.
He speaks two languages, Greek (native) and English (C1). He has a PADI open water diving license and driving license. Nikos is working as a Project Manager, in the Human & Aquatic Ecosystems Pillar in iSea, with a significant number of scientific publications and participation in international conferences and research projects. In his everyday life and in his working environment, Nikos is trying for a #zeroplastic and a #zerowaste lifestyle.
Contact Info:
Εmail: [email protected]
tel. +30 2313090696

Nikoletta Sidiropoulou
Nikoletta was born in Veria and is a graduate of Marine Biology with Oceanography from Southampton University. She has participated and implemented actions of European projects, National plans and financial institutions. She has worked as a Project Manager in ARCHELON, the Sea Turtle Protection Society of Greece organizing and coordinating all actions of public awareness and protection of sea turtles and their habitats in Zakynthos island and Amvrakikos Gulf. She has an SSI advanced Open Water Diver diploma and speaks three languages, Greek (native), English (C2) and Dutch (B1). She’s working as a Project Manager in the Human & Aquatic Ecosystems.
Contact Info:
Email: [email protected]
tel. +302313090696
mob. +306982766371

Ioanna Tzioga
Ioanna was born in Thessaloniki in 1995, she studied at the University of Thessaly, at the Department of Ichthyology and Aquatic Environment in Volos. Her Bachelor Thesis, focused in the variation of phytochromes and phycocyanin in the port of Volos. She completed her internship at the Aristotle University of Thessaloniki, at the Department of Biology, by being mainly involved in data collection.
In 2019 she conducted her MSc at the International University of Greece in Thessaloniki, at the Department of Food Science and Technology. Her Diploma Thesis is related to microplastics in the sediment on the sandy shores of Thessaloniki’s Gulf. She has attended various seminars about the Aquatic Environment and about Digital Marketing. Moreover, she has obtained Information Technology (IT) and First Aid Certifications. Currently, she works at iSea as an Aquatic Litter Pillar Director.
Contact Info:
E-mail: [email protected]
tel. +302313090696

Sofia Litsiou
Sofia was born and raised in Trikala and she’s an Agriculture graduate, that specialized in plant-based production at Aristotle University of Thessaloniki. She has conducted internships at “ELGO Dimitra” in Thessaloniki and at CiBio in Porto, Portugal.
During her bachelor studies, she was an active member of the International Organisation of Agriculture for students. As a member in that organisation, she attended many educational seminars, conferences and events. Her concern for the environment motivated her to begin a Master’s Diploma on Ecology and Conservation Biology at the Aristotle University of Thessaloniki. She has basic knowledge of R coding and qGIS. She works in iSea as an “Assistant Project Manager”.
Contact Info:
Email: [email protected]
Tel. +302313090696

Martina Ciprian
Martina was born in 1998. She graduated in Biology at the University of Padova and has a Master’s Degree in Marine Biology from the same university. She started to work on the Vulnerable Species Pillar project, more specifically in the By ElasmoCatch Project during her master’s internship.
Her main research interests are related to elasmobranchs biology, ecology, behavior, and fishery management, as well as legislation and local ecological knowledge. During her internship and after her Master’s Degree, she also collaborated on projects run by the University of Padua. She worked within the Italian Bycatch Monitoring Project. She speaks Italian and English. She is learning how to code in R and use QGIS. She has a PADI SCUBA DIVER certification, and she is starting her training for the OPEN WATER DIVER PADI and the OPEN FREEDIVING certification.
She is currently working in iSea as Monitoring Officer in the field base of iSea (Ambracian Gulf) inside the By ElasmoCatch Project.
Contact information:
Email: [email protected]
Phone: +39 3442456270

Dimitris Tosidis
Dimitris Tosidis was born in 1986 in Thessaloniki, Greece, where he lives. He studied in the Fine Arts College/Film Department of Aristotle University Thessaloniki and at UDK Berlin and he holds the MA Risk Communication and Crisis Journalism course of Aristotle University Thessaloniki. He works as a photojournalist in Athens News Agency (ANA-MPA) and as a stringer in EPA , Deutsche Welle, XINHUA, the environmental NGO iSEA and the International Federation of Sport Climbing.
He focuses mainly on political/social issues, enviroment, sports/extreme sports and visual storytelling. He has been awarded multiple times for his work, most significantly with the Migration Media Award in 2017 and 2018 for his work on the refugee crisis in the Balkan area and the Athens Photo World Award 2021 for his work ‘Diava’ on the last nomadic shepherds in the mountains of northern Greece.
Anna Maria was born in Thessaloniki in 1998 and she’s a MBA diploma graduate (Master in Business Administration) in the University of Macedonia.
She’s working in the administration department of the iSea office, she’s managing the organization’s website, e-shop and she’s in charge of the branding strategy and content creation for communication purposes. She’s involved in volunteering from a young age in many different fields, such as rehabilitation centers, animal welfare organizations and coastal clean ups along with iSea.
She has two Scuba Diving Diplomas (Open Water Diver and Advanced Open Water Diver) and also a driver’s licence (type B). She knows Greek, English (C2) and little bit of Spanish (beginner). She has basic knowledge of Adobe Lightroom Photo Editor, the graphic design program Canva, the statistical program SPSS, the Production/ Operations Management software (POM/QM) and Microsoft Office (Word, Excel, Powerpoint).
Contact Info:
Email: [email protected]
Tel. +302313090696

Dafni Delioglani
Born in Thessaloniki in 1998, Dafni graduated with honours from the School of Geology of the Aristotle University of Thessaloniki in Greece. She will soon be receiving her Master’s degree in the field of atmospheric sciences from the same university. In the framework of her studies, she attended courses and worked on projects related to the management and protection of aquatic ecosystems. In addition, she has participated in European and national research projects in the environmental field as a team member and as a coordinator. She has an active role in the scientific community with publications and presentations in international conferences. She has knowledge in the programming language R and ArcGIS and speaks 4 languages, Greek (native), English (C2), French (B2) and German (B1). In iSea she works as a Project Manager in the Pillar of Vulnerable Species.
Contact information:
Email: [email protected]
Phone: +302313090696

Thomas Chouliaras
Thomas was born in Ioannina in 1996. He graduated from the Department of Economics in the Aristotle University of Thessaloniki and specialized in Business Administration. He’s interested in programming and has attended several seminars about data analysis (R and Python statistical- programming languages). He’s also interested in the supply chain and resource management. He speaks two languages Greek (Native) and English (C2). He’s working in the Accounting Department of iSea.
Contact Info:
Email: [email protected]
tel. +302313090696

Maria Sidiropoulou
Maria is a wine technologist with a specialization in Wine Products Marketing from the Institute AFEC de l’Europe Bordeaux. She’s cooperated with several wineries in Northern Greece and also the National Institute of Agricultural Research (ΕΘΙΑΓΕ) in viticulturein Greece. She speaks 4 languages (Greek, English, French, Turkish).
She’s attended certified seminars in circular economy, recycling in the manufacturing industry and competitive sustainable enterpreneurship in the European Union.
She’s involved in fishing programs due to the family business for the last 6 years. Since 2019, she’s involved in the “Fishing for Litter” project.
She’s now working in iSea as an assistant project manager.
Contact Information:
Email: [email protected]
Phone number: +306946683344

Kyriaki Pyloridou
Kyriaki was born in 1999 in Thessaloniki. She’s about to get her bachelor’s degree from the Department of Oceanography and Marine Sciences, from the University of the Aegean. She speaks three languages: Greek (native), English (B2) and Chinese (beginner). She’s familiar with Microsoft Office applications, ArcGIS and R. She worked at iSea as an intern in the summer of 2021, in the “Vulnerable Species” pillar and more specifically in the project “Sharks and Rays in Greece and Cyprus”. She’s working as an Assistant Project Manager.

Katerina Katsaouni
Katerina was born in Thessaloniki in 1998. She studied Environmental Sciences in the University of the Aegean, Department of Environment, in Mytilene. During her studies she focused on environmental education and green entrepreneurship. She has basic knowledge of R, ArcGIS and SPSS. She speaks three languages, Greek(native), English(C2), German(B1) and she is also able to communicate in Greek Sign Language. In iSea she works as an Assistant Project Manager.
Contact Info:
Email: [email protected]
tel. +302313090696

Christina Eleftheriadou
Christina was born in Thessaloniki and ever since she was a child, she loved everything about the protection of the environment. She’s a Geotechnology and Environmental Engineer, she graduted from the TEI of Western Macedonia and previously worked as an Engineer in technical and construction companies in Greece and abroad.
She voluntarily participated in informational and educational activities in Medasset (Athens) and is currently a trainee in the Corps of Volunteer Samaritan Rescuers and Lifeguards of the Hellenic Red Cross.
He speaks 2 languages (Greek and English), constantly attends seminars, mainly of environmental interest and has knowledge of design and ERP software.
She started volunteering at iSea in 2022 and now works as a Travel & Logistics Coordinator.
Contact Info: