Talks

Conferences

Organizing Committee Membership

• Chair of the Organizing Committee for the Modeling and Optimization: Theory and Application (MOPTA) Conference 2024, Lehigh University, Bethlehem, PA (USA), August 14-16, 2024.

• Chair of the Organizing Committee for the Modeling and Optimization: Theory and Application (MOPTA) Conference 2023, Lehigh University, Bethlehem, PA (USA), August 16-18, 2023.

• Member of the Local Organizing Committee for the International Conference on Continuous Optimization (ICCOPT) 2022, Lehigh University, Bethlehem, PA (USA), July 23–28, 2022.

Organized/Chaired Sessions

• Chair of Fatma Kılınç-Karzan’s plenary session. Modeling and Optimization: Theory and Applications (MOPTA) 2023 Conference, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), August 2023.

• Chair of the "Bilevel Stochastic Methods for Optimization and Learning" session. Modeling and Optimization: Theory and Applications (MOPTA) 2023 Conference, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), August 2023.

• Chair for the Nonlinear Optimization Flash Session. 2022 INFORMS Annual Meeting, Indianapolis, IN (USA), October 2022.

• Chair of the "Bilevel Stochastic Methods for Optimization and Learning" session. 2022 INFORMS Annual Meeting, Indianapolis, IN (USA), October 2022.

• Chair of the "Stochastic Bilevel Optimization Methods" session. 2022 INFORMS Optimization Society Conference, Clemson University, Greenville, SC (USA), March 2022.

• Chair of two sessions on "New Deterministic and Stochastic Methods for Derivative-Free Optimization". Modeling and Optimization: Theory and Applications (MOPTA) Conference 2021, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), August 2021.

Presentations

• T. Giovannelli, O. Sohab, L.N. Vicente. The Limitation Of Neural Nets For Approximation And Optimization. 2023 INFORMS Annual Meeting, Phoenix, AZ (USA), October 2023. (Invited)

• T. Giovannelli, G. Kent, L.N. Vicente. Inexact Bilevel Stochastic Gradient Methods for Constrained and Unconstrained Lower-Level Problems. Modeling and Optimization: Theory and Applications (MOPTA) 2023, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), August 2023.

• T. Giovannelli, G. Kent, L.N. Vicente. Bilevel Stochastic Methods for Optimization and Machine Learning: Bilevel Stochastic Descent and DARTS, 2022 INFORMS Annual Meeting, Indianapolis, IN (USA), October 2022.

• T. Giovannelli, G. Kent, L.N. Vicente. Bilevel Stochastic Methods for Optimization and Machine Learning: Bilevel Stochastic Descent and DARTS, International Conference on Continuous Optimization (ICCOPT 2022), Lehigh University, Bethlehem, PA (USA), July 2022.

• T. Giovannelli, G. Kent, L.N. Vicente. Bilevel Stochastic Methods for Optimization and Machine Learning: Bilevel Stochastic Descent and DARTS, 56th Annual Conference on Information Sciences and Systems (CISS), Princeton University, NJ (USA), March 2022. (Invited)

• T. Giovannelli, G. Liuzzi, S. Lucidi, F. Rinaldi. Derivative-free methods for mixed-integer nonsmooth constrained optimization. Modeling and Optimization: Theory and Applications (MOPTA 2021), Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), August, 2021.

• A. De Santis, L. De Vito, T. Giovannelli, S. Lucidi, M. Messedaglia, M. Roma, F. Romano. A Simulation-based Optimization approach for the improvement of the hospital Emergency Department management. INFORMS 2020 Virtual Annual Meeting, November 8-13, 2020.

• A. De Santis, T. Giovannelli, S. Lucidi, M. Messedaglia, M. Roma. An optimal non-uniform piecewise constant approximation of the patient arrival rate for a more efficient representation of the Emergency Department arrival process. Operational Research Applied to Health Services (e-ORAHS 2020), Virtual Conference, July 26-31, 2020.

• T. Giovannelli, S. Lucidi, M. Messedaglia, M. Roma. A Simulation-based Optimization approach for reducing the hospital Emergency Department overcrowding through the improvement of low-complexity patient flow. Operational Research Applied to Health Services (ORAHS 2019), Karlsruhe, Germany, July 28 - August 02, 2019.

• L. Maccarrone, D. Ferone, T. Giovannelli (speaker), J. Panadero, A.A. Juan. A simheuristic algorithm for solving an integrated resource allocation and scheduling problem. Winter Simulation Conference 2018, Gothenburg, Sweden, December 9-12, 2018.

Selected Talks

• T. Giovannelli. Addressing Bias and Fairness Issues in Artificial Intelligence. Pennsylvania State University Berks, Reading, PA (USA), February 20, 2023. (Invited)

• T. Giovannelli. How to make a personal academic website. Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), September 29, 2022.

• T. Giovannelli. Bilevel Stochastic Methods for Optimization and Machine Learning: Bilevel Stochastic Descent and DARTS, Sapienza University of Rome, Italy, December 2021. (Invited)

• T. Giovannelli. Bilevel Optimization for Fairness in Machine Learning. Optimization and Machine Learning (OptML) Group Seminar Series, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), November 17, 2021.

• T. Giovannelli. Bilevel Stochastic Methods for Optimization and Machine Learning: Bilevel Stochastic Descent and DARTS. PhD Seminar, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), November 11, 2021.

• T. Giovannelli, O. Sohab. Ridge functions: Exploiting lower-dimensional structure. Optimization and Machine Learning (OptML) Group Seminar Series, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), March 10, 2021.

• T. Giovannelli. Derivative-free methods for mixed-integer nonsmooth constrained optimization problems. Optimization and Machine Learning (OptML) Group Seminar Series, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), February 17, 2021.

• T. Giovannelli. A black-box optimization approach for Emergency Department. Optimization and Machine Learning (OptML) Group Seminar Series, Department of Industrial and Systems Engineering, Lehigh University, Bethlehem, PA (USA), September 9, 2020.

• A. De Santis, T. Giovannelli, S.Lucidi, M. Messedaglia, M. Roma. A simulation-based optimization approach for the improvement of the Emergency Department Management. EURO PhD Summer School on Operational Research for Value-based Healthcare, Instituto Superior Técnico, University of Lisbon, Portugal, September 1-8, 2019.

• T. Giovannelli. A simulation-based optimization approach for the improvement of the Emergency Department Management. Doctoral Consortium ORAHS (Operational Research Applied to Health Services) 2019, Karlsruhe, Germany, July 26-27, 2019.

• L. De Vito, T. Giovannelli, S. Lucidi, M. Messedaglia, L. Palagi, A. De Santis, A. Nastasi, F. Romano, M. Roma. A simulation-based optimization approach for the improvement of the Emergency Department management of Policlinico Umberto I. Workshop Stitch@Diag, Rome, Italy, May 15, 2019.

• T. Giovannelli. Siège Perilous (monthly meeting of the Continuous Optimization Research Group). Department of Computer, Control and Management Engineering , Sapienza University of Rome, Italy, April 18, 2019.

Research Visits

• Computer Science, Multimedia and Telecommunication Department at Universitat Oberta de Catalunya, Barcelona, Spain. Invited by Prof. Angel A. Juan (February 19-23, 2018).