What is OTI Group?

One Terrene International Group (OTI Group) is a global social enterprise committed to fostering sustainable development practices and building a better future for all. Our team of dedicated professionals and volunteers work tirelessly to promote economic growth, social inclusion, and educational opportunities to increase employability, entrepreneurship and environmental Sustainability.

Our mission is to understand, research and deliver solutions to the various concerns we identify in our communities and in so doing to empower individuals, communities, and organizations to take action towards creating a more equitable, just, and sustainable world. We believe that by working together, we can create positive change our local communities resulting in growth and sustainability of global communities.

At OTI Group, we understand the interconnectedness of social, economic, and environmental issues. We believe that sustainable development is the key to creating a better world for all, and we are committed to advancing this cause through our various programs and initiatives.

Our work focuses on several key areas, including Research, Education, Development, Technology and innovation, renewable energy, community development and environmental conservation. We work closely with local communities, governments, and stakeholders to develop innovative solutions that address their unique challenges.

Through our various programs and initiatives, we provide research, education, training, and resources to empower individuals and communities to take action towards a more sustainable future. We believe that everyone has a role to play in creating positive change, and we are committed to supporting and enabling individuals and communities to take action.

At OTI Group, we believe that sustainability is not just an ideal, but a way of life. We are committed to promoting sustainable practices and encouraging individuals and organizations to adopt environmentally friendly and socially-responsible practices.

Join us in our mission to create a more sustainable, equitable, and just world. Together, we can build a better future for all.

Our Team

Our Experts Pool. Masters in their Field.


Marios Efhymiou

Semi-retired Business Consultant and a BoD of multiple Charities.

I’m a private individuals who prefers to have my actions seen rahter than read about. I have international experience have have had the pleasure of working on some amazing projects all over the world. I have learned that people are both similar and different, but at the end of the day, we all just want to be happy. I have dedicated over 40 years of my life to community work all over the world and will continue to do so for as long as I can.


Yianna Papatryfonos

Yianna Papatryfonos holds a BA in Greek Philology with specialisation in History and Archaeology and an MA in Cultural Heritage Management. She is a native Greek speaker and has taught Greek as a Foreign Language for many years in various educational institutions. Considerable experience in teaching to adults and involving in a variety of educational projects.


Theo Mavrosavva

Studied Applied Multimedia at the University of Nicosia, Bachelor's degree with honours and graduated with honours also for his Master's at Cyprus University of Technology in Interactive Multimedia. Considerable experience in youth work, research and developing methodologies for formal and non-formal education for skills development both communications and digital.


Paris Constantinou

I’m passionate about people and helping them build their careers, if it's not for the organisation, it's helping people understand their skills and where they fit in, in the labour market.


Christina Tsolaki

Dr Christina Tsolaki is a Senior Bank Officer in Eurobank Cyprus Ltd and has an extensive expertise of over 29 years in the Banking Industry. She is also an Assistant Professor at American College teaching business courses in both BSc and MBA programs. She loves to interact with students, help them with their thesis as well as to act as mentor in several cases and inspire people do what they want.


Teo Sarbu

Teodora is a clinical psychologist and psychotherapist, with 10 years of experience. She is also a passionate trainer and youth worker, taking part in numerous projects and having partnerships with NGO's that work with disadvantaged groups. Psychology and education are her top interests and professional priorities and she makes it her personal goal to be an active part in developing educational strategies and promoting the importance of mental health.

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