List of Members
Brian Brookman (Chair)
LGC
Brian Brookman, formerly the Chief Scientific Officer for LGC’s global proficiency testing (PT) business, and now working as an independent consultant on PT, has over forty-five years’ experience in analytical science, the past thirty years in the field of analytical quality, particularly concerned with PT. He has been involved, around the world, in various training and consultative projects concerned with developing PT and the accreditation of PT providers.
Brian is very active at the national, European and international level with respect to the development and harmonisation of good practice in PT. He is currently Chair of the ILAC Accreditation Issues Committee 17043 Working Group, Chair of the Eurachem PT Working Group, Chair of the EA-Eurolab-Eurachem (EEE) Joint Working Group on PT in Accreditation and Chair of the UK Working Group on PT. He was an ILAC liaison on the ISO/CASCO Working Group that revised ISO/IEC 17043, and is an ILAC liaison on the ISO Committee responsible for the development of ISO 13528.
Lucy Eden (Secretariat)
LGC
Lucy Eden has been Head of Quality for LGC’s global AXIO proficiency testing service for 5 years, having worked in the pharmaceutical, industrial chemical and vaping sectors for over 12 years prior to that. At LGC, she has responsibility for maintaining their accreditation to ISO/IEC 17043 and ISO 17034. Lucy is the secretariate for the EA-Eurolab-Eurachem (EEE) Joint Working Group on PT in Accreditation and an active member of the UK Working Group on PT.
Csilla Belavari
QualcoDuna
Csilla Belavari
QualcoDuna
Csilla BÉLAVÁRI has been the coordinating the QualcoDuna proficiency testing program and various interlaboratory comparison projects for over two decades. She obtained and MSc and PhD in analytical chemistry from Eotvos Lorand University as well as an MSc in Environmental Assessment from the University of Norwich. She has been active in the field of environmental and water proficiency testing since 2004. Csilla is a member of the Technical Committee „Calibration and Proficiency Testing” of the National Accreditation Authority in Hungary and the Eurachem Proficiency Testing Working Group and now works as a consultant.
Owen Butler
HSE
Owen Butler
HSE
Owen Butler is a Principal Scientist at the Health and Safety Executive (HSE), the UK regulator for health and safety at work. An analytical chemist by training wherein his main role is the provision of air measurement advice and services to HSE colleagues and other stakeholders. Development of new and revised air measurement methods under the auspices of International Organisation for Standardisation (ISO) is another key endeavour. He is a long-standing member of the Eurachem Proficiency Testing (PT) Working Group and has been involved in PT activities relating to air pollution monitoring for over 25 years.
Marsha Hanson
Stockholm University
Marsha Hanson
Stockholm University
Marsha Hanson is the coordinator for ACES Proficiency Tests at Stockholm University. ACES Proficiency Tests is part of the Environmental Monitoring Group at the Department of Environmental Science and provides proficiency testing in mainly water matrices with a focus on environmentally relevant parameters. Marsha has a background in chemistry and mathematics.
She began working with the proficiency testing team in 2010, taking over as coordinator in 2013. Before this, she worked at the department on a variety of research projects, performing environmental analyses in water, air, soil and biota. She is also a member of the Swedish Institute for Standards' committee for chemical water analysis.
Monika Horsky
IAEA
Monika Horsky
IAEA
Monika Horsky is a Chemistry graduate from the University of Vienna. After five years in an academic laboratory, she is currently working as an analytical chemist and quality manager at the International Atomic Energy Agency’s (IAEA) laboratories located in Austria. She is involved in organization and statistical evaluation of IAEA’s proficiency testing exercises with a focus on trace elements and long-lived radionuclides in terrestrial environmental samples. As a quality manager, she is supporting IAEA’s reference material production activities and ISO 17034 accreditation. As a technical officer she supports IAEA technical cooperation projects aimed at building the capacity of environmental laboratories, with a particular emphasis on laboratory quality assurance. Monika joined the Eurachem PT working group in 2017.
Michael Koch
University of Stuttgart
Michael Koch
University of Stuttgart
Dr. Michael Koch
Studied chemistry at the University of Stuttgart. He specialized in the field of hydrochemistry and environmental analysis and earned his doctorate in engineering at the Institute for Sanitary Engineering, Water Quality and Solid Waste Management.
From 1987 to 2025, he worked at this institute as a research assistant, initially on several research projects, then as laboratory manager from 1995, and later as head of the Hydrochemistry and Analytical Quality Assurance department and scientific director of the AQS Baden-Württemberg interlaboratory testing system.
Since 2025, he is working part-time in the field of training and consulting for analytical laboratories.
Dr. Koch is a member of several standardization committees, deputy chairman of the Eurolab-D Committee for Chemical Analysis, and German representative and member of the Executive Committee at Eurachem.
Riitta Koivikko
Finnish Environment Institute
Riitta Koivikko
Finnish Environment Institute
Riitta Koivikko works in the field of analytical quality, particularly in environmental measurements. With over ten years of experience in proficiency testing, she serves as a proficiency testing coordinator and senior specialist at Proftest Syke within the Finnish Environment Institute. Riitta is also actively involved in various international cooperation projects, focusing on the quality of results of environmental laboratories. She holds a PhD in Chemistry and has previously worked at the University of Turku (Finland), the Alfred-Wegener Institute (Germany), and the Joint Research Center (Italy).
Caroline Laurent
BIPEA
Caroline Laurent
BIPEA
With a technical education in biology and a graduate of the Ecole Supérieure de Gestion de Paris, C. LAURENT held the position of General Manager for 10 years within a software publishing group for medical biology laboratories. Her overall professional background combines both technical responsibilities and business development. The medical environment being a highly regulated sector, she is particularly familiar with standardization and quality processes in general. With a strong service culture and experienced in managing multidisciplinary teams, C. LAURENT, as Director of BIPEA since 2013, she aims at pursuing Proficiency testings & associated services’ development and progress.
Marzia Mancin
IZSVE
Marzia Mancin
IZSVE
Marzia Mancin is a Lead Statistician at the Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), where she provides statistical consulting and develops methodologies for national and international projects in the field of food safety and veterinary public health. With over 20 years of experience, she has been deeply involved in the design, implementation, and evaluation of proficiency testing (PT) schemes.
Her work focuses on statistical methods for laboratory quality control, and she serves as the statistical lead for both international PT schemes (FAO and WOAH) and national programmes (AQUA). Marzia is a technical expert for ISO/IEC 17043 and ISO 13528 for Accredia, and a member of the ISO/TC 69 Technical Committee and the Eurachem Proficiency Testing Working Group.
She has co-authored over 50 peer-reviewed publications and is actively involved in scientific dissemination and professional training.
Asya Manoylova
Interproject Ltd.
Asya Manoylova
Interproject Ltd.
Asya Manoylova has a Master’s degree in analytical chemistry and is a last year PhD student in Sustainable soil management with carbon farming. Asya has more than 18 years’ experience in analytical science, the past 15 years in the field of analytical quality, particularly concerned with proficiency testing. At the moment is Head of a Proficiency Testing Provider at “Interproject” LTD - the largest PT provider in Bulgaria and organizes PTs in the field of chemistry for laboratories in Bulgaria and across.
As a certified auditor, Asya has been involved in various training and consultative projects concerned with laboratories accredited to ISO/IEC 17025 and ISO 15189 and conducts internal audits and supplier audits. After completing a Mediator Training Course the desired result of her work is helping laboratories to meet recognized standards of performance and competence. Asya is improving her knowledge with continuing education and experience.
Asya is an active member and translator of three technical committees for standardization at Bulgarian Institute for Standardization (BDS/TC) TC-34 “Quality management and conformity assessment”, ТC-28 “General metrology” and TC-67 “Petroleum products and lubricants”.
She has attended Bulgarian and international scientific events and co-authored papers and posters in a diverse range of analytical fields.
Raquel Múrtula
IELAB
Raquel Múrtula
IELAB
Raquel Múrtula Corbí is a Pharmacist and expert in microbiology in the environmental field for more than 20 years. As technical manager of the microbiology department in ielab, since 2007 she is focused on the development, certification and commercialization of microbiological reference material. She is also in charge of the management of microbiological proficiency testing schemes. Raquel is member of Eurachem-PT and EEE-PT working groups since 2015, author or coauthor of 15 scientific publications and participant of several conferences.
Piotr Robouch
European Commission
Piotr Robouch
European CommissionPiotr Robouch is a Senior Scientist at the Joint Research Centre of the European Commission, with more than two decades of experience in the development, coordination, and evaluation of proficiency testing across multiple sectors, including GMO analysis, food contact materials, feed additives, and food allergens. Contributed to the drafting of previous editions of ISO 17043 and ISO 13528, and has extensive expertise in the statistical interpretation of proficiency testing results. Serves as Vice-Chair of the Eurachem Proficiency Testing Working Group and acts as editor of the Eurachem PT leaflets. An experienced trainer, regularly delivering advanced courses on the statistical evaluation of proficiency testing data.
Erika Sárkány
QualiCont
Erika Sárkány
QualiCont
Sárkány Erika is a Pharmacist and Economist, graduated in Pharmaceutical Science, specialising in Clinical Laboratory Medicine.
After several years of clinical laboratory experience, she specialized in external quality control of medical laboratories, which she participated in launching in Hungary in 1997, and has been working in this field ever since.
Since 2006, she has been the managing director and professional leader of QualiCont Nonprofit Ltd, which is an independent and impartial Hungarian External Quality Assessment (EQA) Provider in medical field.
She is an auditor according to ISO 17043 and ISO 9001 standards, member of the National Accreditation Council, having held the position of its chairman for 5 years from 2016.
She has been a member of the EQALM (European Organisation For External Quality Assurance Providers in Laboratory Medicine) board from 2011 for 6 years and has been also continuously working in several working groups of EQALM.
In addition, since 2013 she has been participating in the work of the EEE PT WG and since 2014 in the Eurachem WG.
Angela Sorbo
Istituto Superiore di Sanità
Angela Sorbo
Istituto Superiore di Sanità
Angela Sorbo, who graduated cum laude in Chemistry, is a senior scientist at the Italian National Institute of Health (ISS), Department of Food Safety, Nutrition and Veterinary Public Health (SANV), in Rome Her expertise includes analytical chemistry, proficiency testing for trace elements in food, and food safety, with a particular focus on environmental and industrial contaminants.
She currently serves as the Operational Manager of the SANV-ISS Functional Unit for Proficiency Testing, accredited according to ISO/IEC 17043 with flexible scope. Angela is the Director of the Italian National Reference Laboratory for Metals and Nitrogenous Compounds in Food and she also coordinates the activities of the Italian laboratories responsible for official analyses of processing contaminants in food.
Angela plays an active role in institutional activities related to official food control. She serves as a technical consultant to the Italian Ministry of Health on matters involving metals and processing contaminants. Her responsibilities include contributing to the development of national control and monitoring plans, evaluating the quality of monitoring data, and assessing human exposure to chemical contaminants within her field of expertise.
She represents the Italian Competent Authority as a national delegate to the European Commission’s Working Group on Environmental and Industrial Contaminants in Food (DG SANTE). Additionally, she is a member of CEN/TC 275 WG 10, which focuses on horizontal analytical methods for the determination of elements and their chemical species in food.
Kees van Putten
QLIP
Kees van Putten
QLIP
In 1981 graduated with specialization, analytical chemistry. After five and a half years at the laboratory of the Ministry of Finance (Amsterdam), he started working at TNO-Nutrition in Zeist in 1987 where he was employed in various analytical chemical and technological positions. Due to its strong affinity with statistics and his increasing role in proficiency testing, he became project manager proficiency testing at TNO-Quality of Life in Zeist in 2006.
In 2008 he became project manager proficiency testing for DUCARES B.V., an independent and autonomous TNO company and a leading research and contract laboratory.
In 2019 he is appointed as senior scientist at Trilogy Europe B.V., established in Arnhem the Netherlands. Since December 2023 as senior product specialist at Qlip, a quality assurance company in dairy, Zutphen the Netherlands
He is specialized in proficiency testing, reference material, QC, statistics, analysis, auditing and consultancy, but also experienced in giving lectures, active in various NEN working groups and is a member of the Eurachem PT and RM working group.