Intellex Acquires Expert by Big Village

We're thrilled to announce that Intellex has acquired Expert by Big Village, effective March 22, 2024. This strategic move enhances our capabilities and strengthens our commitment to delivering exceptional solutions to our customers.

Stay tuned for more updates on how this acquisition will benefit our clients and experts.

For inquiries or more information, please contact us at


Expert Details

Heat Pumps, Heat Exchangers, Waste-Heat, & Advanced Thermal Energy Technologies

ID: 739432 Germany

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Expert has 10+ years of experience in research and development projects of heat pumps, chillers, heat transformers, heat exchangers, steam systems, waste heat recovery systems. He has 5+ years of experience holding lectures and seminars for undergraduate and graduate engineering students in topics of thermodynamics and heat pumps as well as seminars for managers and leadership in topics of HVAC, process heating and cooling.

Expert is an Energy Manager and specialist in advanced thermal energy technologies. He has more than 10 years of experience in research and development of innovative heating ventilation air-conditioning (HVAC), combined heat and power (CHP) systems, organic and steam rankine cycles (ORC, SRC), from concept to field testing. His expertise is in technical thermodynamics, fluid mechanics, mass- and heat-transport, and he has extensive experience in numerical modelling, programming and simulation of thermodynamic processes and control systems. Additionally, Expert has experience with specification, design and commissioning of heat exchangers, heat pumps, hydraulic and steam systems.

Expert has knowledge in energy-related legislature (EEG, KWKG, GEG) and energy management standards (ISO 50001, EN 16247).

Expert has 4 peer-reviewed publications and 2 patents.

Software Skills:
• MS Office, MS Visio, MS Project, MS Outlook, Lotus Notes.
• ASPEN Plus, ASPEN Dynamics, ASPEN EDR, ASPEN Properties, MATLAB – Simulink.
• CREO Parametric, Solidworks, SketchUp.
• COMSOL Multiphysics.
• Visual Basic for Applications (VBA), Python.


Year Degree Subject Institution
Year: 2005 Degree: MEng Subject: Chemical Engineering Institution: Aristotle University of Thessaloniki
Year: 2010 Degree: MSc Subject: Energy Systems Institution: Aachen University of Applied Sciences

Work History

Years Employer Title Department
Years: 2021 to Present Employer: Undisclosed Title: Project Manager - Energy Services Department:
• Project management and cross-departmental project work
• Advising group customers in the field of energy efficiency, energy management and energy supply concepts as well as energy management systems according to ISO 50001
• Implementation of energy audits according to DIN EN 16247-1
• Creation of holistic concepts for energy consumption reduction
• Development of sustainable energy supply concepts
• Involvement in relevant working groups with regard to energy efficiency and sustainability
Years Employer Title Department
Years: 2020 to 2021 Employer: Regensburg University of Applied Sciences Title: Research Associate Department:
R&D in the areas of heat and mass transfer, heat storage und CO2 - capture and utilization.
• Planning and acquisition of energy research projects.
• Conceptual design and planning of prototypes, test units and test benches.
• Process modeling and simulation.
• Teaching assignments and student-project supervision
Years Employer Title Department
Years: 2017 to 2020 Employer: Nürnberg University of Applied Sciences Title: Research Associate Department:
R&D in the areas of waste heat utilization, steam cycles, heat pumps und heat networks.
• Acquisition and management of energy research projects.
• Conceptual design, planning and construction of prototypes, test units and test benches.
• Process modeling and simulation.
• Specification management, FMEA and risk analysis.
• Teaching assignments, student-project and thesis supervision
Years Employer Title Department
Years: 2010 to 2017 Employer: Viessmann Werke Allendorf GmbH Title: Development Engineer Department:
• Modelling & simulation of thermodynamic cycles and processes.
• Design, rating and optimization of heat and mass transfer components.
• Investigation, thermodynamic analysis and testing of novel working fluids.
• Modeling of pure substance and solution physical properties.
• Coordination of internal and external collaborations (universities - manufacturers).

Career Accomplishments

Publications and Patents Summary
4 peer-reviewed publications.
2 patents.

Language Skills

Language Proficiency
English Native
German Fluent
Greek Native
Spanish Advanced

Fields of Expertise

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