Meet the people behind Qognity

Sotiris Leventis is an Enterprise Architect and AI specialist with over 25 years of experience designing intelligent systems and enterprise software solutions. He is the Founder and CEO of Qognity, where he leads the development of multi-agent systems. His AI journey began with academic research in neural networks and agent-based systems, later evolving into hands-on development of platforms for infrastructure monitoring, legal tech, and enterprise automation. He has also contributed to publications on AI applications in governance and law. Previously, he held leadership roles at Microsoft and other technology companies. He is a recipient of Microsoft’s Great People Great Performance Award, a MENSA awardee, and has mentored students and startups through Google Summer of Code and Microsoft Startup Weekend. Sotiris also serves as Head of Technology for the Hellenic OCR Team, supporting civic innovation through AI.

George Mikros, Professor of Computational and Quantitative Linguistics at Hamad Bin Khalifa University, is Qognity’s scientific reference point. Before assuming his Professor position at the MA Program of Digital Humanities at HBKU, he was Professor of Computational and Quantitative Linguistics at the University of Athens Greece.

He is the director of the Computational Stylistics lab. He is also Adj. Professor at the Department of Applied Linguistics at the University of Massachusetts, Boston, USA. He had the position of Research Associate at the Institute for Language and Speech Processing and he was part of research groups that have developed significant language resources and NLP tools for Modern Greek.

Since 1999 he holds the position of Teaching Associate at the Hellenic Open University and since 2016 he is the Director of the Undergraduate Program “Spanish Language and Culture”.

Nikos Fortounas is a Senior Backend Engineer with over four years of experience developing enterprise applications and distributed systems. At Qognity, he designs and implements the backend infrastructure that powers the company’s applications, ensuring scalability, reliability, and seamless integration with AI-driven systems. His role blends development with architectural design, supporting the delivery of resilient and future-ready solutions.

He began his software development career at Prime Cognition World, where he built a solid foundation enhancing enterprise platforms for banking institutions by streamlining processes and improving real-time data handling capabilities. He then expanded his expertise contributing to enterprise-grade solutions for EU institutions. There, he focused on backend engineering and system integrations, further strengthening his proficiency while working on large-scale, mission-critical projects.

Driven by a commitment to quality and innovation, Nikos brings both technical expertise and architectural vision to his work, supporting the company’s efforts to deliver robust and transformative software in the AI space.

Pavlos Stathopoulos is a Senior Frontend Engineer at Qognity, building the desktop interface for the company’s AI-powered enterprise platform. He specialises in turning complex technical requirements into intuitive, performant products and cares deeply about making software that feels good to use and easy to maintain.

Before joining Qognity, Pavlos led frontend development for digital platforms serving universities and cultural institutions. He shipped production applications used by thousands, designed component systems that scaled across multiple projects, and mentored developers to write cleaner, more thoughtful code.

With a strong curiosity for AI and product thinking, he is dedicated to the craft of building software, constantly refining systems to improve the experience for both users and developers.

Ariadne Angelopoulou is an Operations and Legal Administrator, responsible for the company’s day-to-day administrative tasks with a strong focus on legal responsibilities. She studied Public Administration at Panteion University, specialising in Public Institutions, and along the way developed a solid background in law, economics, and business.

In her role, she enjoys keeping things organised, ensuring compliance, and supporting smooth internal operations. She speaks English and French and is also a member of the Hellenic OCR Team, where she contributes to projects focused on open data and digital transformation.

Lately, Ariadne has become increasingly interested in how technology and especially Artificial Intelligence can improve legal processes and public services. She is curious, eager to learn, and excited about gaining hands-on experience in this fast-evolving field. Ariadne believes that combining legal knowledge with innovative tools can make a real difference, and she is happy to be part of a team where she can grow and contribute meaningfully.

Natalia Sotiropoulou is a Communications Manager with years of experience in leading strategic communication efforts across a diverse range of organisations in both the private and non-profit sectors. She has successfully designed and implemented communication strategies, reputation management plans, ESG projects and public outreach initiatives that have enhanced brand visibility, stakeholder engagement, and institutional impact.

Her expertise spans corporate communication, media relations, crisis management, and content development, always tailored to meet the evolving needs of modern audiences and organisational goals.