EURAMET / IPQ - Portugal
Organising Committee

João Alves e Sousa is Director of the National Metrology Laboratory at IPQ, the Portuguese National Metrology Institute. With a PhD in Mechanical Engineering from the University of Glamorgan and an MSc from Cranfield University, his work focuses on uncertainty evaluation, advanced metrological methods, and energy efficiency. He has led accredited calibration labs for over 20 years and served as an expert evaluator for EU energy projects. His expertise includes Monte Carlo and Bayesian methods, ISO 17025 audits, and the development of new measurement capabilities.

VSL - The Netherlands 
Scientific Committee President 👑
Organising Committee

Annarita Baldan is chief scientist at VSL, the National Metrology Institute of the Netherlands. For the past 25 years, she has worked in the field of chemical metrology, doing R&D work in high accurate measurements to assess the quality of energy gases and to monitor air pollutant emissions.

Since 2019, Annarita is chair of the European Metrology Network for Energy Gases established under EURAMET, the European Association of National Metrology Institutes. The network’s objective is to be a single point of contact across Europe that can provide measurement science expertise for society and industry, to support the implementation of the EU’s energy transition and decarbonisation.

ENGIE - France
Scientific Committee

I am Etienne BASSET. I work as Gas Analysis Expert at the research center of ENGIE (ENGIE Lab CRIGEN) both located in Paris and Lyon (France). I am specialized in gas quality issues through analytical developments (sampling and analysis) and comprehensive characterization (hydrogen, biogas, syngas, carbone dioxide and biomethane). I am involved in different hydrogen European project (e.g. MetroHyve or Hydrogen Quality Europe on H2 quality for vehicle) and ISO standardization committees. 

BOC - United Kingdom
Scientific Committee

Kevin D. Cleaver is Technical Services Manager at BOC, part of the Linde Group, where he has worked since 1977. A Chartered Chemist and Scientist, he holds a PhD in Chemistry from the University of Lancaster. He oversees accredited gas calibration production, supports analytical development, and contributes to regulatory and standards work. Active in trade associations such as EIGA and BCGA, he chaired BSI PTI/15 from 2015 to 2023. He is also the author of several peer-reviewed publications in spectroscopy and gas analysis.

NPL - United Kingdom
Scientific Committee
Organising Committee

I am Head of Science of the Atmospheric Environmental Science Department and Fellow of Chemical Metrology at the National Physical Laboratory, leading advances in measurement science and delivering impact towards net zero, the energy transition and cleaner air.  I obtained a PhD in physical chemistry from Imperial College, a first-class Master of Chemistry degree from the University of Southampton and an Institute of Leadership and Management Level 5 Certificate in Coaching and Mentoring. I am a visiting Professor in the School of Chemistry at the University of Bristol and a Fellow and Chartered Chemist of the Royal Society of Chemistry. I chair the CIPM-CCQM Gas Analysis Working Group, which oversees the comparability of gas analysis measurements between National Metrology Institutes worldwide. I am an international accreditation technical expert for gas analysis and actively involved in standardisation.

Ortwin Costenoble graduated from Delft Technical University as a materials science engineer. He joined NEN, the Royal Netherlands Standardization Institute, in 2000 in the chemistry field. After many years of standardization consultancy and leading technical committees in fuels, LPG, gas analysis and natural gas, he switched to PAC in 2022. As global standardization lead, he is responsible for all standards-related matters of PAC’s broad lab and process analyser portfolio.

Ortwin has organized international scientific congresses and run research projects on standardization, certification, measurement and metrology.

AIR LIQUIDE - USA
Scientific Committee

It is with a heavy heart that we share the passing of Tracey Jackier on July 13, 2025. She was a faithful member of the Scientific Committee since the beginning of the Gas Analysis event. 

Dr. Tracey Jacksier was an International Senior Expert and the Global Specialty Gas Product Director based at the Delaware Innovation Campus of Air Liquide. She held a B.S from Purdue University and a Ph.D. in Physical Chemistry from the University of Massachusetts. Tracey’s areas of expertise included the development and application of reactive mixtures and stable isotopes for monitoring and quantification of impurities in environmental and mobile source monitoring, air quality, process analysis, alternative energies and food authentication. 

She conducted research for measuring many criteria emissions, both domestically and internationally. She had been with Air Liquide for more than 30 years.

She authored or co-authored more than 200 articles, book chapters and technical presentations, and held more than 20 patents. She was a past member of the Mobile Sources Technical Review Subcommittee of the US EPA’s Clean Air Act Advisory Committee.

Tracey contributed to the GAS Analysis symposium committees for many editions. We honor her memory. 

BAM - Germany
Scientific Committee

Heinrich Kipphardt graduated from University Dortmund. Topic of his PhD thesis was gas analysis of the decomposition products from ceramics obtained by combustion in elemental fluorine. During his three years stay at IRMM he discovered his passion for metrology when working on gas isotopes. He joined BAM in 1999 with the task of developing primary standards for element determination. In 2012 he joined BAM’s gas analysis group, now being head of the subject area and with technically responsible for the automotive and energy gases. Heinrich is also active in metrology, in national and international standardisation bodies and in accreditation.

AIR LIQUIDE - The Netherlands 
Scientific Committee
Organising Committee

Jack de Jong - Offer Deployer Manager and International Expert for the Research and Analysis market within Air Liquide's Northern European Cluster. With over 35 years of experience in specialty gases, he has held various operational, commercial, business management positions in Europe and managed international teams in different parts of the world. His international work has focused on product and application support for global customers, particularly in the Oil & Gas sector. As an International Expert in specialty gas operations and applications, his current objective is to leverage his extensive knowledge to manage and enhance the specialty gas product offering, addressing new market demands driven by the energy transition and environmental air emissions.

ENGIE - France
Organising Committee

After earning a Ph.D. in material chemistry and gaining initial professional experience as a project manager and team leader, Maxime joined ENGIE Lab CRIGEN as an R&I project manager in the H2 Lab. Since 2023, he has been responsible for all projects related to H2 gas quality. The H2 gas quality team is heavily involved in European collaborative projects such as MetrHyVe2, HyQuality Europe (leading the online monitoring work package), MetHyTrucks, and MetroHyVe3 (leading the work package dedicated to sensors).

Maxime plays a key role in advancing these projects by coordinating and overseeing research and innovation activities. His expertise in material chemistry and project management contributes to the continuous improvement of H2 gas quality, which is essential for the development of hydrogen technologies in Europe.

SHELL Technology - The Netherlands
Scientific Committee

Wouter Knol studied chemistry at the university of Amsterdam and received his PhD in analytical chemistry in 2023. His PhD research focused on hyphenated chromatographic analysis methods for polymer characterization. In 2023 he joined Shell as an expert in online gas analysis, developing analytical methods for both renewable and traditional energy gas streams. He is involved in various R&D projects into novel and improved methods for online analysis, applicable in a wide variety of industrial processes. Besides analytical method development, he is also interested in statistics, digitalization and quality control.

LNE - France
Scientific Committee

Tatiana Macé is chemical engineer at LNE which is the Laboratoire National de métrologie et d’Essais in Paris.

She has over 30 years' experience in the field of gas and aerosol metrology. Her research activities focus on the development of reference materials and methods for gas and aerosol analysis, as well as the evaluation of associated measurement uncertainties. In recent years, she has been heavily involved in the French air quality monitoring network, helping to bring it into line with European requirements, as well as in various European air quality projects.

She also actively contributes to the work of various national and international gas analysis standardization groups.

ENVEA - France
Organising Committee

Philippe is Research Development and Innovation Director at ENVEA, leading provider of environment management solutions for the protection of people and the planet. He has been working all along in the exciting field of optical measurement in relation to different types of industries. He holds a Ph.D. and post-doctoral degree from a Parisian University in the field of infrared absorption spectroscopy applied to on-line measurements in the food and oil industries. He has also worked in the telecommunications and glass industries. Considered as a specialist in CEM solutions for waste to energy plants and large combustion plants, he participated at both French and European levels in the working groups in charge with EN 14181 and EN 15267-3 standards.

MIRO ANALYTICAL - Switzerland
Organising Committee President 👑

Etienne Smith is the Sales Manager at MIRO Analytical AG. With over 13 years of experience in gas analysis, Etienne possesses extensive knowledge of various infrared technologies, including NDIR, OF-CEAS, and direct laser absorption spectroscopy with multiple Quantum Cascade Lasers. He has been a stakeholder in several research projects focused on hydrogen, biomethane, and CO2 purity. MIRO Analytical AG, a Swiss startup, specializes in providing advanced gas analyzers for atmospheric science, eddy covariance, and trace gases applications. Since 2023, MIRO has been part of Bruker Group, a leading manufacturer of high-performance scientific instruments and analytical solutions that enable exploration of life and materials at microscopic, molecular, and cellular levels.

VSL - The Netherlands
Scientific Committee

Scientist working at VSL (the national metrology institute of the Netherlands) on the development and application of highly sensitive infrared spectrometers in the field of gas metrology. Within gas metrology he focuses on the analysis of (reactive) impurities in energy gases and pure gases using cavity ringdown spectroscopy, tunable diode laser spectroscopy and FTIR. Further, he worked on the validation of the TROPOMI satellite. Recently, he has developed a dynamic generation system for trace ammonia for agricultural applications and successfully applied this in the field. Finally, he is active in (inter)national standardisation committees, focusing on ammonia and nitrogen dioxide.

EFFECTECH - United Kingdom
Scientific Committee

Dr. Joey Walker holds a PhD in LNG Metrology and has over 12 years of experience in gas metrology. He leads R&D initiatives focused on the development, commissioning, and testing of innovative measurement instruments and methodologies aligned with international standards. Dr. Walker manages technical projects, supports product validation, and collaborates with clients to deliver impactful, standards-driven solutions. His expertise includes reference material production, gas quality measurement and LNG sampling systems. He also provides technical consultancy and delivers specialized training across the sector.