About us
Mariusz Fleszar, PhD, prof. WMU
acting manager
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Prof. Mariusz Fleszar is an associate professor, as well as the Head and co-founder at the Omics Research Center of the Wroclaw Medical University. For over 16 years, he has specialized in mass spectrometry and advanced chromatographic techniques, developing methods for metabolomic, lipidomic, and proteomic analyses. His experience includes work in both academic settings and specialized governmental and research laboratories, where he has held leadership and coordination roles. His scientific activity focuses on the design and validation of innovative analytical methods, the integration of high-resolution mass spectrometry technologies, and the application of omics research to characterize biological processes. He is the author of dozens of scientific publications and an active participant in research projects funded by national sources. As Head of the Omics Research Center, he is responsible for the development of the university’s research infrastructure and the implementation of advanced analytical technologies, supporting interdisciplinary scientific projects in the fields of medical and biological sciences.
Paulina Fortuna, PhD, Lecturer
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Dr. Paulina Fortuna is an assistant professor at the Omics Research Center. She obtained her PhD in chemical sciences from Wrocław University of Science and Technology. In the past, she further developed her scientific expertise, including completing a research internship at a foreign university, where she worked on the design of protein–protein interaction inhibitors. Her research portfolio includes numerous projects funded by national institutions, such as the National Science Centre (NCN) and the Medical Research Agency (ABM). She specializes in medicinal chemistry and omics techniques, including metabolomics, lipidomics, proteomics, and glycoproteomics, with particular emphasis on sample preparation and mass spectrometry analysis. She has authored dozens of scientific publications in renowned journals, with her research contributing, among others, to the development of innovative peptide-based protein–protein interaction inhibitors with therapeutic potential in oncology.
Currently, Dr. Fortuna focuses on integrating advanced omics approaches with the design of anticancer minibroteins, enabling in-depth analysis of metabolomic changes in cancer cells and the identification of novel therapeutic targets.
Łukasz Lewandowski, PhD, prof. WMU
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I work at the intersection of medicine and statistics at Wroclaw Medical University, focusing on omics data and multivariate modeling.
My work centers on heterogeneity. I use nonlinear models that respect the nature of the outcome variable, going beyond the mean to model variability and distributional shape (e.g., GAMLSS, quantile regression, among others).
I routinely model interaction effects -- including higher-order structures -- to understand when effects emerge, for whom they hold, and how they change across the data space.
Rather than chasing statistical significance, I focus on structure, context, and mechanisms reflected in the data.
I am a co-author of 30+ publications, a statistical editor at European Journal of Preventive Cardiology, and an advocate of good analytical practice, including authoring editorials in journals such as KSSTA and ACEM. I also contribute to evidence synthesis collaborating with JBI Centre for Evidence-Based Healthcare Poland.
Gabriela Maciejewska, PhD, Lecturer
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A chemist with over twenty years of experience. Her research focuses on the application of mass spectrometry in biological sciences and medicine. She has extensive expertise in MS-based analyses in metabolomics, lipidomics, and proteomics, gained through her work at the Customs Laboratory in Wroclaw and at the Mass Spectrometry Laboratory of the Central Laboratory of the Faculty of Chemistry at Wroclaw University of Science and Technology. Since May 2024, she has held the position of assistant professor at the Omics Research Center of the Wroclaw Medical University. She is a co-author of 58 scientific publications with a total impact factor of 198.4 and a co-inventor on 10 patent applications. She is a member of the Polish Metabolomics Society.
Karolina Mosna, PhD, independent technician
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Karolina Mosna graduated in Molecular Biotechnology from the Jagiellonian University and obtained her PhD in biological sciences from the University of Wrocław. She is currently employed at the Omics Research Center as an independent technician. She has gained ten years of experience working in research teams at Jagiellonian University in Kraków and the University of Wrocław, developing expertise in protein–metal interactions, proteomic analyses, cell line culture, and mechanisms of endocytosis and lipofection. Her scientific interests focus on the application of modern molecular biology techniques to study complex cellular processes, particularly in the context of oxidative stress and lifestyle-related diseases. In her work, she combines scientific rigor with an interdisciplinary approach to biology and the development of omics methodologies.
Wioleta Szewczak, MSc, senior engineering and technical specialist
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Wioleta Szewczak currently holds the position of Senior Engineering and Technical Specialist at the Omics Research Center. She graduated from the University of Podlasie in Siedlce, where she obtained a Master’s degree in Biology.
Since 2010, she has gained extensive experience in an accredited veterinary diagnostic laboratory in Wrocław, specializing in the analysis of biological material from a wide range of animal species. In her daily work, she operated advanced laboratory equipment, ensuring its calibration and quality control in accordance with applicable standards. She also actively participated in the validation of new analytical methods.