International Conference :
Advances in Time Series Analysis, Stochastic Control, and Risk: Closing Conference of the "Étoiles Montantes" Project of Y. Esstafa (LMM)
Rabat, October 26-27, 2026
Organization: Le Mans Université - LMM & ESSEC CREAR
Venue: ESSEC Business School - Rabat Campus,
Plage des Nations، Sidi Bouknadel, Salé 11000, Maroc
Scientific Program
Monday, October 26, 2026
9:30 – 10:00: Welcome and registration
Session 1 – Time Series (Chair: Youssef Esstafa)
10:00 – 10:45: Juhyun Park (LaMME, University of Évry): Functional data approach to time series modelling
10:45 – 11:00: Coffee break
11:00 – 11:45: Duc Quang Bui (LMM, Le Mans University): Quantitative Gaussian Approximations for Periodograms and Whittle Estimation
11:45 – 12:30: Marie Badreau (LMM, Le Mans University): A unified study of explosive processes with a root in the neighborhood of the unit circle
12:30 – 14:00: Lunch
Session 2 – Stochastic Control (Chair: Alexandre Brouste)
14:00 – 14:45: Mathieu Rosenbaum (Paris Dauphine University): A unified theory of order flow, market impact and volatility
14:45 – 15:30: Alexandre Popier (LMM, Le Mans University): Adaptive design for statistical estimation for Ornstein-Uhlenbeck or AR(1) processes
15:30 – 15:45: Coffee break
15:45 – 16:30: Magnoudéwa Paka (ENSA Agadir, Morocco): Explicit Solution to an Optimal Two-player Switching Game
19:30: Conference Dinner: La Maison Arabe — La Tour Hassan Palace, 26 Avenue Chellah, Rabat
Tuesday, October 27, 2026
Session 3 – Risk (Chair: Marie Kratz)
10:00 – 10:45: Abdelaati Daouia (Toulouse School of Economics): A general theory for extremal regression in heavy-tailed models
10:45 – 11:00: Coffee break
11:00 – 11:45: Philippe Hübner (HEC Liège, Belgium): Extended extreme value regression models of non-negative heavy-tailed data for cyber loss clustering analysis
11:45 – 12:30: Samira Aka (Square Management & CREAR ESSEC): Multivariate Discrete Generalized Pareto Distributions: Theory, Likelihood-Free Inference, and Applications to Dry Spells
12:45 – 14:00: Lunch
Session – Risk & Insurance. This final part of the program will take place in a hybrid format, both in-person and remotely via Zoom. Organized in collaboration with the Working Group on Risk – CREAR and the Moroccan Association of Actuaries (AMA), it will be open to a wider audience, bringing together researchers, academics, and insurance industry professionals.
14:00 – 15:00 : Conférence plénière (en introduction à la table ronde) par Michel Dacorogna (Prime Re Solutions, Switzerland): Vivre dans un monde stochastique et gérer des risques complexes.
15:00 – 16:00 : Table ronde : « L'assurance à l'ère de l'intelligence artificielle : nouveaux risques, nouvelles opportunités pour le Maroc et l'Afrique », avec la participation de :
Mohamed Bel Baraka, Président de l'Association Marocaine des Actuaires (AMA), Directeur Général Adjoint — AtlantaSanad Assurance, Maroc
Michel Dacorogna, Partenaire chez Prime Re Solutions, Suisse
Fatima Zohra Iraqui, Directrice du Pôle Organisation et Transformation Digitale — Atlantic Re (Groupe CDG), Maroc
Modération : Marie Kratz (ESSEC Business School)
16:00 – 16:20: Conference closing and coffee break
From 16:30 onwards: Tour of Rabat
Panelists of the round table: short bios
Mohamed Bel Baraka is a seasoned executive with nearly 30 years of high-level experience in the insurance industry. He currently serves as Deputy General Manager (Corporate) at AtlantaSanad Assurance, where he leads the company’s overall strategy, governance, and corporate performance. A recognized expert in actuarial science, risk management, and strategic leadership, he actively contributes to advancing the profession as President of the Moroccan Actuarial Association (AMA) and Vice-President of the Arab Actuaries League. He holds a Statistical Economist Engineering degree from ENSAE Paris and a Master’s degree from Paris Dauphine University, and is a Qualified Actuary and member of the International Actuarial Association (IAA).
Michel M. Dacorogna is a partner at Prime Re Solutions, advising financial institutions on actuarial and economic matters. He holds a Ph.D. in Theoretical Physics from the University of Geneva and completed a post-doctoral fellowship at the University of California, Berkeley. His research career spans diverse fields, from solid-state physics to financial and insurance mathematics, with more than 95 publications in refereed scientific journals.
Previously, Michel served as Deputy Group CRO of SCOR (2009–2013), where he led the development of the company's internal model for over a decade, and later as Scientific Advisor to the Chairman (2013–2016). In 2009, he was named Insurance Risk Manager of the Year by Risk Magazine.
He lectures at several leading institutions, including ESSEC Business School (Paris), ETH Zurich, the University of Basel, Università Cattolica del Sacro Cuore in Milan, and the University of Ljubljana.
His book An Introduction to High-Frequency Finance remains a standard reference in the field. He also co-authored Where Is Science Leading Us? And What Can We Do to Steer It? with Lars Jaeger, reflecting his broader interest in the philosophy and history of science.
Fatima Zohra IRAQUI is a graduate engineer from the Mohammadia School of Engineers, certified in Artificial Intelligence by MIT Sloan School of Management and in governance by the Moroccan Institute of Directors. She is a leader specializing in organizational transformation and digital innovation. Her career is marked by leading structural programs of organizational and digital transformation across various sectors, including asset management, market infrastructures, higher education, and reinsurance. She has notably led projects such as redesigning operational models (Target Operating Models), process reengineering, IT system modernization, and digitalization of operations, with change management at the core of her approach. After holding several executive positions, particularly at CDG Capital and the International University of Rabat, where she served as Secretary-General, she is now a member of the Executive Committee at Atlantic Re. There, she drives organizational and digital transformation, as well as the integration of artificial intelligence into reinsurance operations. She advocates for a pragmatic approach to transformation, combining strategic vision, technological innovation, and measurable value creation.
Marie Kratz is a Full Professor at ESSEC Business School, Director of the CREAR Risk Research Center, and head of the ESSEC-ISUP Actuarial Track. She holds a PhD in Mathematics (Univ. Paris VI mainly conducted at the Center for Stochastic Processes at UNC Chapel Hill), followed by a postdoc at Cornell Univ. A Fellow of the Institut des Actuaires, her research focuses on probability, extreme value theory, and quantitative risk management applied to finance, insurance, and emerging risks, while she actively bridges academia and industry by leading international transdisciplinary research consortia.
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