Ingemar Andersson

Ingemar Andersson


Officer of the Army groups 1973-1982. 25 years of experience in senior positions within the Swedish defense industry. 1982-2007 Marketing Manager FFV, Deputy CEO of Bofors AB, Business Area Manager Celsius AB and deputy CEO of Saab AB. From 2007 he runs a consultancy company focused on business development and management, with assignments from Swedish and international industry clients. Board experience from listed and unlisted growth stage companies. Vast international business experience in with exposure to about 40 countries.

Mr. Haris Makkas


Mr. Makkas has over 40 years experience in international banking and investment management. A graduate of Brandeis and Columbia University, he was at Citibank headquarters in NYC for over 15 years before returning home to Greece to work for Bank of America, ING and Piraeus Bank. Most recently he was a board member of the National Bank of Greece. He is an expert in capital markets and investment management and  has extensive board experience.

Christer Nygren

Christer Nygren


MSc in Engineering, Physics, LiTH, he has been working in international marketing and sales of complex systems and products for Bofors AB, Celsius AB and Saab AB the most part of his professional career.
Christer has long experience of leading teams of technicians and other specialists for the introduction and sales of innovative and complex products in the global market.

Mr Nikolaos Pallikarakis

Professor Nikolaos Pallikarakis


Nicolas Pallikarakis Emeritus Professor of the University of Patras, Greece, Director of the Postgraduate Program on Biomedical Engineering for 25 years and Chairman of the Institute of Biomedical Technology – INBIT. Coordinator of more than 30 European and Greek R&D projects. Amongst them the BME ENA project on Biomedical Engineering Education. Ex. Chairman of the Clinical Engineering and the HTA Divisions of the IFMBE. Founding member of EAMBES Fellows and Elected Member of the International Academy of Medical and Biological Engineering (IAMBE), since 2005. Professor Honoris Causa of the Faculty of Electrical Engineering of the University of Cluj-Napoca, Doctor Honoris Causa of the Technical University of Moldova. Received the Erasmus+ 30 Years Award, by the EU Parliament.



Professor Xenophon E. Verykios

Managing Director

Dr. Verykios is a Professor in the Department of Chemical Engineering, University of Patras, and Director of the Laboratory of Heterogeneous Catalysis. He has held various academic positions in the USA. His research focuses on the areas of heterogeneous catalysis and photo-catalysis, chemical kinetics and chemical reaction engineering. He has published well over 200 papers in international refereed journals and holds seven patents. He is the founder of Helbio S.A.


Dr. Thomas Chalkidis

Chief Operating Officer

Dr Chalkidis holds MEng, MSc and PhD degrees in chemical engineering from the University of Patras. His area of expertise is heterogeneous catalysis, reactor and process design, HazOp studies, and pollution abatement. He has experience in catalyst synthesis and characterization and mechanistic studies involving psysicochemical techniques such as X-ray photoelectron spectroscopy (XPS), mass-spectrometry, gas chromatography, FTIR, X-ray diffraction (XRD) and BET. He has published a number of papers in international refereed journals and has made numerous presentations in international conferences.

Mr. Neoklis Tzinias  

Chief Mechanical Engineer

Mr Tzinias has experience and working background in the field of pressure vessels, steams boilers and RES. Satisfactory knowledge in industrial pressure vessels and steam boilers manufacturing and design according to specifications and standards. He joined the Helbio team in 2016. His area of expertise is energy systems design, heat transfer and steel vessel design.

Mr. George Nomikos 

Senior R&D Engineer 

Mr. George Nomikos holds a MEng degree in Chemical Engineering, a MSc degree in Energy and Environment and a Master of Business Administration from the University of Patras. His area of expertise is heterogeneous catalysis and catalytic reactors design, catalysts development etc. His main activities in the company are related to reactor and heat exchanger sizing, equipment sizing and procurement, unit field-testing, internal and EU project management. He joined Helbio’s team in 2013.

Ms Melissa Verykios

Ms Melissa Verykios

Business Manager

Melissa Verykios MSc. Joined Helbio in 2017 as a Business Manager, focusing in Business Development, Financing and Internal Operations. She received her Bachelor’s Degree in Business in Athens in 2005, and her Master’s degree in Finance in 2007 at the Barcelona Graduate School of Economics in Spain, and relocated to New York where she worked as an account Manager at Options Group between 2008-2013. She was hired as a Business Relationship manager at the Private Bank of HSBC in London’s St. James between 2014-2017, as well as a Virtual Manager at the New York based startup “Get Leverage” between 2016-2018. She moved to Athens Greece in order to join Helbio in 2017.

Alexis Tzamouranis

Mr. Alexis Tzamouranis

Sales and Marketing Consultant

Mr Alexis Tzamouranis is a chemical engineer graduated from National Technical University of Athens in 2000 and holds also a Master in Business Administration from University of Laverne.  With over 10 years of experience as a commercial and sales manager in the field of industrial sales and Oil & Gas industry, he focuses on establishing of strategic alliances, managing sales and marketing as well. He collaborates with the Helbio team since 2018.