Our Team

Team Members

Dimitris Tsingos

President & Co-CEO

Dimitris is the President & Co-Founder of Epignosis. As a serial start-up entrepreneur and early-stage investor he has helped the team modify its strategy and grow significantly through time. He loves start-ups, public speaking and meeting new people. Dimitris is also the CEO of StartTech Ventures, the start-up accelerator where eFront was created.

Athanasios Papagelis


Athanasios is the Co-founder and Chief Technology Officer of the company. He is also responsible for managing the company’s daily operations. He loves technology and its practical aspects. He is very fond of practical interfaces. He proudly holds a PHD from the University of Patras, Greece.

Mano Dramitinos


He loves software engineering and networks. He received his B.Sc and M.Sc from the University of Crete and holds a PhD from the Athens University of Economics and Business.

George Kalfas

Sales & Partners Manager

George is responsible for International Sales and Business Development. He is passionate with new technologies and has been involved in Sales and Marketing of technology related products and services for over a decade. He holds a MBA from ALBA and a BSc from the American College of Greece.

Periklis Venakis

Software Architect

Periklis is the head developer for eFrontPro and TalentLMS. He’s been with us long enough to know the ins and outs of the software. He likes coding and working with people all over the world and making their lives easier. He holds BSc in Computer Engineering from the University of Patras, Greece.

Michael Makrigiannakis

Software Engineer

Michael is a core eFront developer. He is responsible for the technical aspects of customers support. He loves programming and challenges in finding elegant solutions. He holds an MSc from the University of Patras, Greece.

Eleftheria Papatheodorou

Customer Support & Training manager

Eleftheria is responsible for after sales support, customer’s training and beta testing. She loves training and helping people. She holds a Bsc in Management Science and Technology from Athens University of Economics and Business.

Vasilis Prountzos

Software Engineer

Vasilis is an eFront Software Engineer and his role involves working both on development and technical customer support. He is a BSc Computer Science graduate from the University of Ioannina and also holds an MSc in Computer Science – Software Engineering from VU University of Amsterdam.

Chris Mathiopoulos

Leads Manager

Christos is part of the sales team, dealing on a daily basis with customer leads. He is also the account manager and point of contact for some of the larger customer accounts. He holds an MSc from the University of Bath, United Kingdom.

Andreas Makridakis

Software Architect / Engineer

Andreas is a core eFront/TalentLMS developer. Throughout his career, he has been focused on delivering fast-performing and eye-appealing applications. He received his B.Sc. degree in computer science from University of Crete. He also holds a M.Sc. degree from the University of Crete, in association with ICS/FORTH.

Yannis Aikaterinidis

Software Engineer

Yannis is an eFront and TalentLMS developer. He loves web programming and scripting languages and always seeking on learning something new. He holds BEng and MEng in Computer Engineering from the Technical University of Crete and a PhD in Computer Engineering from the University of Patras, Greece.

Maria Logotheti

Support & Quality assurance assistant

Maria is the customer support and training assistant. She likes solving problems to help people. She holds a Bsc in Marketing and Operation Management from the University of Macedonia in Thessaloniki.

Yiannis Panagopoulos

Senior Software Engineer

Yiannis is a core TalentLMS developer. He has a passion for the Internet and open source technologies and has been involved in the development of web applications for over a decade. He holds an MSc in Computing and Internet Systems from King’s College University of London, UK.

Angelos Papaioannidis

Head of Growth

A growth hacker at heart, Angelos is obsessed with conversion optimization & finding clever ways to outperform the competition. Always trying to help Epignosis grow by leveraging advanced internet marketing voodoo.

Sofia Terzidou

UI/UX Designer

Sofia studied multimedia computing and has been designing digital things for 18 years, notoriously hiding easter eggs in source files. Very curious about cognitive processes, she joined Epignosis as a UX designer, to build and enhance great learning experiences.

Konstantinos Stratis

Software Engineer

Konstantinos is an eFrontPro developer. He works on complex yet common mixed-technology integration problems with packaged solutions and services. He holds an MSc from the University of Edinburgh.

Elena Leandrou

Marketing Manager

Elena is responsible for the creation and execution of innovative and effective marketing strategies that will drive brand preference and revenue growth for both eFront and TalentLMS. She holds a BSc in Cosmetic Chemistry from LCF in London, UK and an MSc in Marketing and Creativity from ESCP Business school in Paris, France.

Haris Batsis

Senior Software Engineer

Haris is an eFrontPro engineer. Over the years, he has gained extensive experience and thorough knowledge of all web aspects, through his contributions on different kinds of software using numerous technologies. He holds a BSc in Informatics from the Technological Institute of Athens.

Fani Zacharopoulou

Marketing Specialist

With true passion for digital and social media, Fani is responsible for helping Epignosis’ web properties grow by blending traditional Marketing methods with digital Marketing activities to target and engage consumers. She holds an MSc in Marketing from the University of Stirling, Scotland.

Lauren Berry

Content and Marketing Executive

Lauren Berry is part of the Marketing team. Her role involves constructing content for the marketing department and other associated tasks. Lauren holds a Bachelor’s degree in English Literature from the University of London, United Kingdom.

Marios Raptis

Technical Support Engineer

Marios is a technical support engineer for TalentLMS.  He enjoys helping people while also being in touch with web technologies at the same time. He holds a BSc in Mathematics from the National and Kapodistrian University of Athens.

Natalie Petsali

Customer Success Manager

Natalie’s role as Customer Success Manager is to develop customer relationships that increase adoption, ensure retention and satisfaction. She holds a BSc in Marketing from the SUNY Empire State College, USA, and a MAIS degree in Advanced International Affairs from the University of Vienna, Austria.

Georgia Vakalopoulou

Sales Executive

Georgia is part of our sales team. Her role involves handling new customers as well as dealing with the renewal process of existing clients. She holds a BSc in Business Administration from the Technological Educational Institute of Athens.

Emmanouil Kounalakis

Lead Mobile Developer

A performance ninja with a passion for pushing mobile technologies to the limits, Emmanouil always creates secure, high performance, and high scalability designs, using the latest techniques. He holds a BSc in Computer Science, from the Computer Science Department of the University of Crete.

Pamela Tzouanaki

International Sales Executive

After gaining experience with counseling and technical support, Pamela developed a keen interest in Sales. Her role involves attending to new customers and arranging to meet their organization’s requirements in the best way possible. She holds an MA in Counseling Psychology.

George A. Papas


After travelling the world over for years as an English Language Teaching consultant, George specialised in designing UI/UX solutions for businesses for mobile and desktop devices. He is excited to bring his background in both education and design with him to Epignosis.

Sakis Valavanis


Sakis is an eFrontPro developer, working both on front and back end. He studied web programming and multimedia computing.

Nikos Grampsas

Software Developer

Nikos is a TalentCards developer. He has had an interest in programming since the age of ten and has been involved in the development of web applications for the last four years. He holds an Mphil in Informatics from the University of Manchester Institute of Science and Technology, UK.

Leonidas Paleokostas

Senior Software Engineer

Leonidas is a core TalentCards Software Engineer with a demonstrated history of working in the e-commerce and eLearning industry. Skilled in various web technologies with years of experience in Laravel Framework, he holds a Bachelor’s degree focused in Computer Science from Athens University of Economics and Business.

Manolis Katsifarakis

Lead Mobile Developer

Manolis is currently obsessing over the architecture and development of the team’s mobile applications. He has been talking to computers for the better part of his life and has (ab)used all kinds of technologies, ranging from 68K asm to JS.

Eleni Kaltsouni

Inbound Marketing

Eleni is a digital marketing enthusiast that is fueled by the online landscape and its opportunities for growth. As part of the Marketing team, Eleni is always happy to brainstorm and contribute to Epignosis’ online activities. She studied Digital Marketing at Robert Gordon’s University, UK and has lived and breathed digital ever since.

Lida Diavolitsi

Sales Executive

Lida establishes and develops relationships with potential clients and drives new business opportunities for TalentLMS. She strongly believes that the world would be a better place if we were all Yogis. Lida holds a BSc in Economics and Regional Development from Panteion University of Social and Political Sciences.

Kostas Pagonis

Reporting Consultant

Kostas is our reporting guy. He holds a Diploma in Computer Science from the Hellenic Open University and 25+ years of experience in analysis and development of various business environments.