Virtech is a research and development company

Еstablished as a spin-off of the Centre of Information Society Technologies, Sofia University. The company has been involved in more than 20 EC projects. It works in a number of cross-domain smart city solutions based on IoT, Big Data, Digital Twin, AI and ML, such as: active ageing & wellbeing, telemedicine, smart buildings, energy efficiency, smart ecology, smart mobility, smart forest, cybersecurity.

About us

The company also provides competences of design of system architectures, user experience (UX), open innovation and Living Lab methodology and tools; web portals, cloud computing infrastructure; digital and analogue hardware design: embedded devices, intelligent sensors, satellite communications, mobile communications, industrial telemetry, microprocessor based design.
Virtech has a large network of partners: EU universities (e.g. KU Leuven, Norwegian University of Science and Technology, University of Twente, University of Nottingham, University of Reading, Politechnico di Milano, University Politechnica of Madrid, University of Graz, University of Surrey, University College London), research centres (e.g. INRIA, Fraunhofer, CERTH, BIBA, SINTEF, INESC) and companies (e.g. JIBE, Siemens, ATOS, Samsung Electronics, IBM Research, Medtronic Iberica, MYSPHERA,Televes, Nokia, Tecnalia, SAP AG, HEWLETT PACKARD, LEGO, TXT E-SOLUTIONS SPA, Giunti Labs).

Virtech is a member of:

• Alliance for IoT Innovation – AIOTI (aioti.eu), co-chair the WG Health.
• ACTIVAGE.ORG (https://activage-association.org/) – founding member

• Electric Vehicles Industrial Cluster (http://www.emic-bg.org/)
• Bulgarian Startup Association (https://besco.bg/en)

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well established and here for you

The Team

Dr. Roumen Nikolov

CEO of Virtech and CTO of BullCharge , Professor, UNESCO Chairholder
Dr. Roumen Nikolov (https://www.linkedin.com/in/roumen-nikolov-382942/) is a CEO of Virtech and CTO of BullCharge (https://www.bullcharge.one/), Professor, UNESCO Chairholder. He works in the area of Internet of Things, Future Internet, Smart City applications, AI, Big Data, Digital Repositories and Services, Knowledge Management, Innovation, e-learning, application of Living Labs methodology and tools in development of innovative products and services, etc. He has specialised in USA, UK, the Netherlands, and other countries. He is also Member of the MB of ACTIVAGE.ORG and member of AIOTI, Co-Chair of WG Health. He has participated in more than 100 EU FP projects (since FP4), such as: H2020 AI4EU, H2020 LSP ACTIVAGE, H2020 BOWI, H2020 Cross4Health; EIT Climate KIC TRANSFORM Project; FP7: ELLIOT, TARGET, SISTER, ECOSPACE, TENCompetence, etc. He has more than 100 publications.

Dr. Alexandre Chikalanov

CTO of Virtech with 30+ years of experience in software industry.
Dr. Alexandre Chikalanov (https://www.linkedin.com/in/alexandre-chikalanov-94b836204/ ) is CTO of Virtech with 30+ years of experience in software industry. He has led many industrial projects related to development large enterprise systems operating with databases containing over 100 millions of records, several projects for mobile technology systems, a system for audiovisual digital rights protection, expertise in development of platforms for data acquisition from remote sensing devices, interactive TV, etc. He has been involved also in several European RTD Projects, such as: H2020 AI4EU, H2020 LSP ACTIVAGE, H2020 BOWI, H2020 Cross4Health; EIT Climate KIC TRANSFORM Project; FP7 ELLIOT, FP7 ELLIOT, FP7 TARGET, a CIP ICT PSP Project – ATLAS, and several projects under the EC Lifelong Learning Program.

Hans Houf

Member of the Executive Advisory Board of Virtech, supporting CEO and CTO in new business and technology strategies.
(https://www.linkedin.com/in/hans-houf) He specialized in sustainable energy solutions and energy refurbishment of buildings, targetting zero emission building concepts. Hans is also CEO of BullCharge (https://www.bullcharge.one/). He has worked for several international companies, such as: Jibe Company, Eindhoven, Netherlands; Clearnanotech NV, Luxembourg; Business Factory b.v.; PNO Consultants; etc. He was involved in business development for Innovation Services for Italian and Belgian consultancy company. Development and management of European networks for industry, research institutes and public organisations especially for ICT areas. Implementing IOT, Big Data, AI, cyber security etc.. into industrial & business environments e.g. in more than 15 projects such as DataBio (www.databio.eu), STOP-IT (www.stop-it-project.eu) and Poseidon (Personal Data, GDPR and Blockchain). He was coordinator of the EIT Climate KIC TRANSFORM Project and participated in H2020 ACTIVAGE and H2020 BOWI Projects.

Dr. Mariyana Lyubenova

Professor in Biology and a Senior Researcher at Virtech
She is a member of 4 international and Bulgarian scientific organizations, member of 3 editorial boards, 4 public organizations and scientific committees. Key words: plant ecology, functional ecology, dendrochronology, plant monitoring, ecotoxicology, ecosystem modelling, ecosystem services, vegetation protection ecosystem services and PES of water, terrestrial and urban ecosystems. Prof. Lyubenova has been involved in a large number of EU projects, such as: CA COST Action CA15206, Payments for Ecosystem Services (Forests for Water), http://www.cost.eu/COST_Actions/ca/CA15206 2016 - 2020, MC member and WG3 chair. FPS COST Action FP1304, Towards robust projections of European forests under climate change (PROFOUND), http://www.cost.eu/COST_Actions/fps/FP1304 2013 – 2017, etc.

Dr. George Gachev

Project manager at Virtech and Senior Researcher at Virtech.
He currently works also at the Institute of Mathematics and Informatics, Bulgarian Academy of Sciences. George does research in Information Science, Computing in Mathematics, Natural Science, Engineering and Medicine and Computer Communications (Networks). George has been involved also in several European RTD Projects, such as: H2020 AI4EU, H2020 LSP ACTIVAGE, H2020 BOWI, H2020 Cross4Health; EIT Climate KIC TRANSFORM Project.

Stoyan Stoyanov

Senior Software developer & AI expert.
Extensive experience with software development life-cycle; Agile methodology (Certified 134/2016/2 SkillSoft); JIRA, ICT and software QA and testing procedures and technology. C/C++ Python, Perl, shell scripts, LISP, Prolog. Component, Design and Analysis Tools. Databases: Oracle (PL/SQL), PostgreSQL, MySQL (MariaSQL). Operating systems: Linux – full support, development and administration, Windows administration and fluent development. Others: - UML (use Enterprise Architect - Sparx Systems Inc), ERP: Odoo, Open DX. Projects: H2020 AI4EU, MED-AI cascade funding project: Towards personalized medicine via a Smart CDSS. AI enhanced CDSS managing large volumes of structured and non-structured medical data in an integrated hospital ERP system; H2020 BOWI Project, cascade funding: a Body Hydration Monitor solution.

Asen Charliyski

Member of the Executive Advisory Board of Virtech
Member of the Executive Advisory Board of Virtech, supporting CEO and CTO in company's investments, capital structure, cost-benefit analysis, and obtaining funding for various initiatives, especially ones in Smart City, Energy Efficiency and Climate Change. Asen got a Business/Managerial Economics Bachelor's degree, Business/Managerial Economics from University of Exeter (UK), and MBA from Robert Gordon University (UK). He is currently also MD & Global Head for Sustainable Cities Finance, Bankers without Boundaries and CFO of BullCharge. Asen has some very strong experience in the financial sector – he used to be Investment Professional at Funding For Future (Latvian Building Energy Efficiency Facility (LABEEF) - innovative financial scheme for performance based renovation of buildings), Deputy Executive Director - Energy Efficiency and Renewables Sources Fund (Bulgaria), Principal Banker and Associate Director, Lloyds Banking Group, etc.

Carlo Vandekerkhof

Member of the Executive Advisory Board of Virtech
Member of the Executive Advisory Board of Virtech, supporting CEO and CTO in company's investments in Digital Health and Wellbeing. Carlo is also Managing Director at CVDK International, Bulgaria. As a life-time Business Developer, Carlo was the founder/CEO of United Telecom in Belgium. He is a national of Belgium who lives in Sofia, Bulgaria, for some years now. As an entrepreneur he has a demonstrated record of managing growth. He was CEO of Score Sports Marketing nv, Shareholder of Topsportslab and CEO Bakala Academy, Leuven, Belgium. Carlo has proven skills in Business Development, Start-ups Development, Marketing and Sales and Accountancy and Management.

Our partners trust us

The company has working partnerships Sofia Development Association (http://www.sofia-da.eu/en/) and Cluster Sofia Knowledge City (http://www.knowledgesofia.eu/en/).