Meet your Data Science Team

Yannis Kopsinis, PhD

CEO and Co-Founder

As the LIBRA co-founder and CEO, Yannis is leading the development of the company's short- and long- term strategy. 

With a PhD in Signal Processing and Machine Learning and two decades of working experience in Machine Learning theory and its applications, as a senior research fellow and principal investigator at esteemed academic bodies in Greece, UK and Spain, he had developed solutions in a broad range of fields such as marketing, telecoms, audio, medical imaging, computer vision and Natural Language Processing. 

Being an entrepreneur in mind but a data scientist on his heart, he always finds time to push research boundaries a step further and write about it. He has a long track record of publications in the fields above, being the author of over 50 scientific and technical papers and a co-author of 3 book chapters. He has also gained several prestigious personal research grants throughout his academic and professional career, like a Marie Curie IEF fellowship and a Ramón y Cajal Fellowship.

Yannis is the one who carefully listens to our clients, outlines the appropriate roadmap for AI-driven opportunities for every single business case, and guarantees that every project is supported with efficient resources to ensure prompt delivery.

Yannis Kopsinis, PhD

CEO and Co-Founder

Athanasios Balomenos, PhD

CTO and Co-Founder

Athanasios is LIBRA AI Technologies CTO and co-founder. He holds a PhD in Machine Learning and image processing -conducted with Onassis Foundation scholarship-, a Bachelor Degree in Computer Science and an MSc in Computational-Biology, both granted with honors. 

He is a Senior Data Scientist and Data Engineer with a strong research background and a demonstrated history of working in the National and European R&D sector as a research associate in different Greek academic institutions. 

In LIBRA AI Technologies, he oversees the company's technological processes and plans. But besides his managerial role within the company, Thanos never stays too far away from hands-on development. He is the leading developer of several ML and AI solutions, and as a natural talent in problem-solving, he often finds the most practical solutions for data science to meet business needs.

Athanasios Balomenos, PhD

CTO and Co-Founder

Stavros Stavropoulos, MSc

Data Visualisation Analyst

Stavros is a Data Visualisation analyst with a multidisciplinary background. He holds a Master’s degree in e-learning and a bachelor degree in Physics, both granted with honors. With a long experience as an engineering professional and a programming tutor, he specializes in providing visual communication of information to heterogeneous audiences. In LIBRA AI Technologies, Stavros is responsible for formatting data into ideas through clean and concise interactive dashboards. With his understandable and beautiful visualizations, Stavros helps our clients and collaborators to gain the most of our data science solutions. 

Stavros Stavropoulos, MSc

Data Visualisation Analyst

Evi Brousta, MA

Branding and Communications Manager

Evi is LIBRA’s Branding and Communications Manager. She holds a bachelor degree in political science and public administration, from the National & Kapodistrian University of Athens and a Master of Arts in Southeast European Studies. With approximately twenty years of experience, in private and public sectors, she has a deep understanding of all aspects of internal and external communications, including but not limited to strategic planning, brand management and awareness building, PR and media relations, multimedia content production, and large-scale event organization.  

In LIBRA AI Technologies Evi is the person driving all company’s outreach activities. 

Evi Brousta, MA

Branding and Communications Manager

Stelios Charizanis, MSc

Senior Web Developer & Software Engineer

As a senior web developer and software engineer, Stelios is committed to improving the development cycles of the Company's solutions. Focusing on back-end technologies, he is involved in designing, developing and customizing tools, procedures, and web solutions.

He has a master's degree in computer science and more than eight years of hands-on experience in cutting edge technology stacks. 

Being involved in various business projects plus developing software products from scratch as a leading developer, he can contribute whenever needed in the software development process to provide high-quality products that satisfy customers' and projects' needs

Stelios Charizanis, MSc

Senior Web Developer & Software Engineer

Pantelis Mitropoulos, PhD

Senior Developer & Data Engineer

In Libra AI Technologies, as a Senior Developer & Data Engineer, Pantelis is mainly involved in building the backend infrastructure and services for data processing and querying.

He holds a bachelor (UoA) and a master (NTUA) degree in Physics. During his PhD in Paris 11 (Paris-Sud) on Cosmology and Particle Physics, he had the opportunity to investigate techniques of probabilistic programming for exploring large multi-dimensional parametric spaces. He has an experience of more than five years in web development as a Full Stack Engineer, with expertise in backend services and database design. He has also developed tools and libraries for data analysis, focusing on large vector geospatial datasets. Having a user experience of more than 20 years on Linux systems, lately, he has also been professionally involved in system administration and web security.

Pantelis's ambition is to constantly translate theoretical knowledge into solutions for real-world problems, designing and building applications that efficiently satisfy and surpass business and client requirements.

Pantelis Mitropoulos, PhD

Senior Developer & Data Engineer

Christos Petrou, MSc

Data Scientist

As a Data Scientist in LIBRA AI Technologies, Christos focuses on the research and development of the company’s projects in the area of Computer Vision.

With an MSc in Data Science, an MSc in Electrical and Computer Engineering and extensive working experience as a research fellow at esteemed academic bodies in Greece, he has competency in applying Machine Learning solutions concerning a variety of fields such as, computer vision, audio, video, medical imaging and biomedical data applications.

Christos is the one that gives life to our clients’ idea, contributing in every step of the development process, from the design to the deployment of the solution.

Christos Petrou, MSc

Data Scientist

Zisis Flokas, BSc

Data Engineer

Zisis has joined Libra AI Technologies as a Data Engineer. He is mainly involved in building infrastructure and pipelines for data ETL processes. He is also developing NLP applications, such as Information Retrieval and Extraction, and contributing to the design and deployment of various Machine Learning models in production. 

He received his Bachelor's degree in Informatics from the University of Piraeus, majoring in Software Engineering and Intelligence Systems. He is currently pursuing a Master's degree in Data and Web Sciences from the Aristotle University of Thessaloniki, focusing on Big Data technologies, Distributed Systems, NLP and Machine Learning. 

He has broad experience with different types of database systems and the design of batch and stream processing applications, which he utilizes for Libra's business partners and the European projects he is involved in, like Dig-IT.

Zisis Flokas, BSc

Data Engineer

Christos Kostopoulos

Data Visualization Engineer

Christos is an enthusiastic and creative technologist with hands-on skills in various software tools and programming languages. 

During his professional career as a front-end engineer, he has obtained valuable knowledge in building web/mobile interfaces to display interactive visual insights by developing various scalable, reusable, secure and innovative solutions. 

 As a LIBRA AI Technologies Data Visualization Engineer and highly skilled in cutting-edge data visualization tools and approaches, he aims to discover creative ways to represent data to non-technical people.  Christos has a significant contribution to the development of the INSIGHTS platform too.

Christos Kostopoulos

Data Visualization Engineer

Eirini Ntarouis, MEng

Junior Data Scientist

As a junior data scientist at LIBRA AI Technologies, Eirini works on various data analytics and machine learning projects. 

She acquired her MEng degree in Electrical and Computer Engineering, where she applied deep learning techniques on medical applications for her diploma thesis. At the same time, she was a Machine Learning intern at LIBRA, working on Natural Language Processing and exploring conventional and deep machine learning for e-commerce sales analysis and forecasting.

Eirini became a full LIBRA AI Technologies employee in September 2020. Her primary role is in business data analysis, for providing valuable insights to ensure our clients' business growth. She also co-manages the company's work within a large EU-funded research project on cognitive search on big metadata databases.

Eirini Ntarouis, MEng

Junior Data Scientist

Panagiotis Zogas, MEng

Junior Data Analyst

Panagiotis has a Bachelor Degree in Electrical and Computer Engineer from the National Technical University of Athens with expertise in Machine Learning. He joined LIBRA AI Technologies as an intern focusing on the domain of time series analysis.  Shortly after, he became a Junior Data Analyst, working on problems revolving around time series and A/B testing. 

Panagiotis's current role is in advancing the Machine Learning capabilities of the companies' AI-enabled Business intelligence.

Panagiotis Zogas, MEng

Junior Data Analyst

Eleanna Kouletou MEng

Junior Data Scientist

As a junior data scientist at LIBRA Technologies, Eleanna analyses and visualizes customers’ data and implements machine learning techniques for time-series and image analysis.

With a MEng in Electrical and Computer Engineering, and a diploma thesis in automated cloud resource management using time-series forecasting techniques and deep reinforcement learning, she joined the LIBRA AI Technologies eager to learn and practice her theoretical knowledge to solve real-life problems.

Integrating our company’s solutions Eleanna is offering customized data exploration services and advanced Machine Learning-driven customer segmentation - persona identification to our customers.

Eleanna Kouletou MEng

Junior Data Scientist

Evangelos Fekas, MEng

Junior ML Engineer

Evangelos holds an MEng in Electrical and Computer Engineering from the National and Technical University of Athens. His diploma thesis focused on: "Self-Supervised time-series analysis with wearable sensors". Evangelos joined LIBRA AI Technologies as an intern, working on time-series forecasting and anomaly detection via statistical and deep-learning methods. Shortly after, he joined the team as a junior Machine Learning Engineer for time-series and event streaming data.

Evangelos Fekas, MEng

Junior ML Engineer

Dimitris Xynogalas

Junior ML Engineer

Dimitris joined Libra AI Technologies as a Junior Machine Learning Engineer and is currently focusing on face recognition and drowsiness detection.

He is an undergraduate student of Electrical and Computer Engineering, studying at the National Technical University of Athens. During his studies, he gained knowledge in both the fields of Software Engineering and Data Science.

Contributing in every stage of the development process, from design to deployment, Dimitris is committed to delivering high-quality solutions for all kinds of engineering problems.

Dimitris Xynogalas

Junior ML Engineer

Thodoris Siozos

Junior Data Scientist

As a Junior Data Scientist at LIBRA AI Technologies, Thodoris works in indoor positioning with BLE signal and Deep Neural Networks.

He is a graduate student in the department of electrical and computer engineering at the National Technical University of Athens, currently working on his diploma thesis focusing on:
"Green Computing: Computing energy of code block using machine learning methods".

Thodoris is passionate about Artificial Intelligence and eager to work on innovative technologies that can improve people's quality of life.

Thodoris Siozos

Junior Data Scientist

Aris Koutris

Junior ML Engineer

Aris is an undergraduate Electrical and Computer Engineer studying at the National and Technical University of Athens. He joined LIBRA AI Technologies eager to learn and gain experience by applying his theoretical knowledge to real world problems.

Aris joined the team as an intern, working on estimation of indoor position via machine learning methods. Shortly after the end of his internship, he joined the team as a junior Machine Learning Engineer continuing his work on position estimation.

 

Aris Koutris

Junior ML Engineer

Vassilis Panagakis, BSc

Junior Data Scientist

Vassilis is a LIBRA AI Technologies Junior Data Scientist. He is currently involved in R&D European projects focusing primarily on Computer Vision, trajectory tracking and path prediction. 

Vassilis acquired his BSc degree in Computer Science with honors, majoring in Data and Knowledge Management. He, first, joined LIBRA AI Technologies as a Machine Learning Intern, undertaking the "Face Recognition under occlusion" problem. In fact, during his internship, he carried out his BSC thesis entitled: "Facial Inpainting Methods for Robust Face Recognition".  

As a full-time LIBRA employee, Vassilis applies his theoretical knowledge to tackle real-world problems and provide state-of-the-art solutions to our partners and collaborators. 

Vassilis Panagakis, BSc

Junior Data Scientist

Giannis Athanasiou

Junior Software Engineer

As a software engineer in LIBRA AI Technologies, Giannis works on various projects, currently focusing on front-end development.

He is an undergraduate student in the last year of his studies at the Electrical and Computer Engineering Department of the National Technical University of Athens.

He has joined LIBRA AI in November 2021 to extend his professional experience and apply his theoretical background in real-world situations.

Giannis Athanasiou

Junior Software Engineer
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