Roger Gläser | Cascades in Networks | Best Researcher Award

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Prof. Dr. Roger Gläser | Cascades in Networks | Best Researcher Award

Leipzig University | Germany

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Early Academic Pursuits

Prof. Dr. Roger Gläser began his academic journey in Chemistry at the Universität Stuttgart, earning his Diploma degree in 1993 under the guidance of Prof. Dr.-Ing. J. Weitkamp. His passion for chemical technology was evident early in his academic career, culminating in a Doctorate in Chemical Technology in 1997, followed by a prestigious Habilitation in 2007, both from Universität Stuttgart. This solid foundation in chemical sciences laid the groundwork for his impactful contributions to heterogeneous catalysis and porous material research.

Professional Endeavors

Since 2007, Prof. Gläser has served as a Full Professor of Chemical Technology and Executive Director of the Institute of Chemical Technology at Leipzig University, Germany. His career is distinguished not only by academic leadership but also by his extensive involvement in national and international scientific governance. From Vice Rector for Talent Development at Universität Leipzig (2022–2025) to President of the International Zeolite Association (IZA) starting July 2025, his influence spans across administrative, educational, and scientific domains. He has held several prominent roles, including Chair of the German Zeolite Association, Chair of the German Catalysis Society (GeCatS) Commission, and Board Member of FEZA, displaying his commitment to advancing scientific networks and policy.

Contributions and Research Focus

Prof. Gläser’s research centers on heterogeneous catalysis by porous materials, focusing on the synthesis and characterization of sorbents and catalysts with hierarchical porosity. His work integrates supported metals, metal oxides, enzymes, and photocatalysts, with applications in thermochemical energy storage, renewable resource utilization, diesel off-gas treatment, and photocatalysis. He also explores diffusion mechanisms in catalytic systems and promotes the use of alternative solvent systems in catalytic reactions. With an eye on sustainability, he has significantly contributed to converting biomass and CO₂ into useful fuels and chemicals, aligning his work with global climate and energy challenges.

Impact and Influence

Prof. Gläser's impact is reflected in his supervision of over 52 doctoral theses, nurturing a new generation of chemists and engineers. His innovative mindset is demonstrated through six patents covering novel catalytic processes and porous materials. These include processes for ketone synthesis, alkylbenzene oxidation, and porous metal oxide materials, marking significant strides in industrial chemistry and green catalysis. His work bridges fundamental science and applied technology, often with interdisciplinary collaborations, reinforcing his reputation as a thought leader in catalytic science.

Academic Sites and Leadership

As a speaker of Leipzig University’s Research Profile Area “Sustainable Systems and Biodiversity”, Prof. Gläser has played a pivotal role in positioning the university as a center of excellence. He also served as Chairman of the Board of the Leibniz-Institute for Surface Modification (IOM) and Director of the Graduate Center of Mathematics/Informatics and Natural Sciences, contributing to the development of academic ecosystems. Furthermore, his appointment to the DFG Review Board for Chemical Technology and the Ombuds Committee for Research Integrity reflects his dedication to maintaining high ethical and scientific standards.

Honors and Recognitions

Prof. Gläser’s contributions have been acknowledged with prestigious awards, including the Jochen-Block-Award (2002) from DECHEMA's Catalysis Section and the Young Faculty Award (2006) from DECHEMA's Society of Chemical Engineering and Biotechnology. These accolades underscore his excellence in chemical engineering research and mentorship.

Legacy and Future Contributions

Prof. Gläser’s legacy is built on a foundation of scientific excellence, collaborative leadership, and sustainability-focused innovation. His upcoming presidency of the International Zeolite Association (IZA) from 2025 positions him to influence global research agendas in porous materials and catalysis. His efforts continue to inspire advancements in green chemistry, energy efficiency, and environmental remediation, ensuring that his work remains relevant and impactful in tackling future technological and environmental challenges.

Conclusion

Prof. Dr. Roger Gläser epitomizes the union of academic rigor, scientific innovation, and institutional leadership. With over two decades of distinguished service to the field of chemical technology and catalysis, his career is a beacon of research excellence and mentorship. As he continues to shape the future of sustainable chemical processes and international scientific collaboration, his work will undoubtedly leave a lasting imprint on both academia and industry worldwide.

Notable Publications

"Adsorption, capture, and selectivity: how much do the framework cations influence the adsorption in LTA zeolites?" 

  • Author: A da Silva, JMS Duarte, MIS de Mello, T Beger, J Titus-Emse, R Gläser
  • Journal: Microporous and Mesoporous Materials
  • Year: 2025

"Diffusion in Nanoporous Materials in the Focus of an IUPAC Initiative: The Innovative Power of “Microscopic” Measuring Techniques" 

  • Author: M Jabłońska, A Osorio Hernández, J Dornseiffer, J Grams, A Guo
  • Journal: Catalysts
  • Year: 2025

"Influence of the secondary pore system on methyl oleate epoxidation using TS-1 with hierarchical pore system" 

  • Author: AO Hernández, M Goepel, D Poppitz, R Gläser
  • Journal: Materials Chemistry and Physics
  • Year: 2025

"Microkinetic Modelling of the Heterogeneously Catalyzed Hydrogenation of Glycolic Acid over Ru/C" 

  • Author: FM Harth, A Kojčinović, B Likozar, R Gläser, M Huš, M Goepel, M Grilc
  • Journal: ChemCatChem
  • Year: 2025

"TS-1/spherical activated carbon composites in the epoxidation of methyl oleate" 

  • Author: AO Hernández, M Goepel, D Poppitz, M Dvoyashkin, R Gläser
  • Journal: RSC advances
  • Year: 2024

Uri Yechiali | Queueing Theory | Best Paper Award

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Prof. Uri Yechiali | Queueing Theory | Best Paper Award

Tel Aviv University | Israel

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Early Academic Pursuits

Professor Emeritus Uri Yechiali embarked on his academic journey with a strong foundation in industrial engineering and operations research. He earned his B.Sc. (Cum Laude) in Industrial Engineering and an M.Sc. in Operations Research from the Technion – Israel Institute of Technology, showcasing his early aptitude for analytical modeling and systems optimization. His academic trajectory continued internationally when he pursued and completed a Ph.D. in Operations Research at Columbia University, New York—a significant milestone that would set the stage for a remarkable career in mathematical modeling and queueing theory.

Professional Endeavors

Following the completion of his doctorate, Professor Yechiali began his long-standing affiliation with Tel Aviv University in 1971, where he steadily rose through the academic ranks, becoming a full professor in 1981. His career also included prestigious visiting professorships at renowned institutions such as Columbia University, New York University, INRIA in France, and Eurandom in the Netherlands, where he held the Beta Chair. These international academic engagements reflect the high regard in which he is held across the global research community.

Contributions and Research Focus

Professor Yechiali has made seminal contributions to the fields of Queueing Theory and Stochastic Modeling, authoring over 160 scientific publications. His research has significantly advanced theoretical understanding and practical applications in operations research. He is especially noted for his pioneering work on vacation models in queues, queues in random environments, and polling systems. His investigations extended into diverse applications, including the Israeli queue, optimal policies for live-organ transplants, genetic regulatory networks, and the asymmetric simple inclusion process (ASIP). Other notable areas of his research include tandem Jackson networks, ticket queues, layered queue systems, and statistical mathematical programming.

Supervision and Academic Influence

Over his illustrious career, Professor Yechiali has supervised 43 Master’s students and 14 Ph.D. candidates, many of whom have gone on to hold faculty positions at prestigious international universities. His mentorship has been instrumental in cultivating a new generation of researchers in operations research and applied mathematics. His leadership in the academic community has had a lasting influence on both theoretical frameworks and practical applications in queueing systems.

Impact and Recognition

Professor Yechiali’s research excellence has been recognized with numerous research grants from both Israeli and European institutes, underlining the broad support and value of his work. In 2004, he was awarded the Life Achievement Award by the Operations Research Society of Israel, a distinguished recognition of his lifelong commitment and contributions to the field. His research not only deepened theoretical insights but also provided models with real-world applicability in fields such as healthcare, telecommunications, and logistics.

Academic Citations and Global Standing

With a vast body of work accessible at his academic homepage, Professor Yechiali's publications are widely cited across disciplines, indicating the global impact and interdisciplinary relevance of his research. His work on stochastic systems and queueing models continues to be foundational, cited in both theoretical studies and applied research papers that address emerging challenges in system optimization, network performance, and resource allocation.

Legacy and Future Contributions

Professor Yechiali’s legacy is defined not only by his publications and awards but also by the enduring frameworks he introduced and the academic minds he mentored. His ongoing work in tandem stochastic systems, generalized ASIP models, ticket queues, and retrial networks signals that he remains at the forefront of research even after achieving emeritus status. His continuing efforts in developing optimal allocation policies for live-organ transplants underscore his commitment to leveraging mathematical modeling for the betterment of society.

Conclusion

In summary, Professor Uri Yechiali stands as a towering figure in the domains of queueing theory and stochastic modeling. His academic rigor, innovative contributions, global teaching roles, and impactful mentorship have not only shaped the evolution of his discipline but have also inspired a vast network of scholars and practitioners worldwide. With a legacy anchored in both theoretical advancement and real-world application, his work continues to illuminate new pathways in operations research and applied mathematics.

Notable Publications

"Queues with service resetting" 

  • Author: Ofek Lauber Bonomo; Uri Yechiali; Shlomi Reuveni
  • Journal: European Journal of Operational Research
  • Year: 2025

"The Number of Overlapping Customers in Priority Queues" 

  • Author: O Boxma, J Pender, U Yechiali
  • Journal: Operational Research
  • Year: 2025

"Inter-Departure Time Correlations in PH/G/1 Queues" 

  • Author: R Sagron, U Yechiali
  • Journal: Mathematics
  • Year: 2024

"The Maximum Overlap Time in the Mλ/G/1/k Queue" 

  • Author: Ofek Lauber Bonomo; Uri Yechiali; Shlomi Reuveni
  • Journal: Eurandom Report
  • Year: 2024

"A generalized ASIP with arrivals to all sites and particle movements in all directions" 

  • Author: Y Yeger, U Yechiali
  • Journal: Annals of Operations Research
  • Year: 2024