OTI Group's priorities for

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Includes courses, projects, mobilities & research

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Opportunities & Subsidiaries

One Terrene International Logo

One Terrene International

One Terrene International (OTI), in short OTI, is the parent/umbrella of an international network of organisations involved in adult education and youth work in a variety of fields in Europe.

The organisation was born in 2009 in London, UK and in 2011 in Cyprus and now its network has spread out to more than 14 countries including but not limited to Greece, Italy, Hungary, Romania, Slovakia and other OTI locals in EU and non-EU countries. The organisation has strong partnerships with Eastern European Partnership countries and EUROMED countries as well.

The organisation has been very active in various funding frameworks, from Youth in Action since 2009, Erasmus+ Projects since its start in 2014 for all Key Actions youth and adult education. OTI has been involved and is involved in EEA Grants, Horizon, Europe for Citizens, Turing, Eurodesk and European Social Fund Projects. We are always open to new collaborations and project ideas.

HRDA logo

HRDA Accredited
Vocational Training Center

We have been accredited as a Vocational Training Center Structure with the name OTI Professional Development Centre with Certificate Number: 338Certificate Number: 440 ( in Greek).

The accredited structure in our center has:

  • 16 Comfortable Spaces for Learners (for HRDA programmes)
  • Up to 30 seating capacity with room arrangement
  • Fully equipped Educational Training Center
  • Interactive Screen for audiovisual presentations
  • Suitable Resting Spaces
  • and other Facilities

You may book our Training Room (OTI Professional Development Centre) at OTI Group Offices for your training.

HRDA has accredited the room as a Vocational Training Structure for a capacity of 16 people. (we can arrange the room to facilitate this, by default it facilitates 12 people).

The room is equipped with an Interactive Touch Screen for presentations and to be used as a Whiteboard or navigate the internet and other available apps and connectivity with your laptops and mobile devices.

The facilities include 2 separate toilets, a waiting room, a kitchenette, a private balcony and ample parking.

- Up to 16 for HRDA-accredited funded programs - Up to 30 for other educational programs

To receive our newsletter for upcoming trainings and see our current courses offered and funded by HRDA for Vocational Educational & Training visit:

OTI Education

OTI Education, focuses on education, offering a variety of educational programs, e-courses and projects, for people of all ages, including activities for Long Life Learning.

OTI Education also has an online learning platform which has over 500 online courses on offer.  This platform also allows other educators and trainers to offer their courses to the public

OTI Education Logo
OTI Media Logo


The Institute of Research, Education, Development and Technology (IREDT), is a global community organisation, where we focus on the intersection of research, education, development, and technology. Our mission is to provide a platform for sharing knowledge and resources related to these areas, with the goal of promoting growth and innovation.

We believe that by fostering collaboration and exchange of ideas, we can make a positive impact on the world. Our content includes the latest research and development in various fields, educational materials for learners of all ages, and resources for professionals and organisations looking to stay up-to-date in their industries.

Go Remote Project

The “Go remote: Unlocking the potential of remote job opportunities!“ project benefits from a €1.168.039 grant from Iceland, Liechtenstein and Norway through the EEA and Norway Grants Fund for Youth Employment.

The aim of the project is to reduce youth unemployment in Europe.

OTI Education Logo
MYSTIC Project Logo

Mystic Project

Young people with fewer opportunities from ‘left-behind communities’ are hard to reach and engage with. The solution to this circular and self-defeating problem is first, to bring the missing skills to youth workers and volunteers and, second, to support young people from left-behind communities to themselves become community leaders.


Integrate Project

Erasmus + : KA220 - YOU - Cooperation partnerships in youth

* Develop the intercultural communication skills of young people, youth workers and community members;
* Promote critical thinking skills and capabilities of young people, in relation to global justice and identity;
* Foster empathy and compassion in society;
* Increase knowledge of European culture and identity;
* Promote responsible and active global citizenship.

OTI Education Logo

Team of Educators

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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