1. Martin Siluthanyi, Anup Pradhan, Zakaria Yahia “Scenario Analysis for Supply Chain Management of Milled Grain Products in South Africa: A System Dynamics Approach” Operations and Supply Chain Management: An International Journal 17 (1), 142-163 2024. 2. Nourhan Adly, Mohamed Gheith, Amr Eltawil and Zakaria Yahia “A Dynamic and Proactive Multi-microgrid Network Reconfiguration Model for Load Factor Improvement” Sustainable Energy, Grids and Networks, 2023. 3. Mohammed Abdelgalil, Zakaria Yahia, Amr Eltawil “A new two-stage variable neighborhood search algorithm for the nurse rostering problem” RAIRO-Operations Research, 2021. 4. Zakaria Yahia and Anup Pradhan “Simultaneous and sequential stochastic optimization approaches for pumped storage plant scheduling with random breakdowns”, Energy 204, 2020. 5. Zakaria Yahia and Anup Pradhan “Multi-objective optimization of household appliance scheduling problem considering consumer preference and peak load reduction”, Sustainable Cities and Society 55, 2020. 6. Mohammed Abdelgalil, Amr Eltawil, Zakaria Yahia, Kazuhide Nakata “A hybrid Variable Neighbourhood Search and Dynamic Programming approach for the Nurse Rostering Problem” Journal of Industrial and Management Optimization, 2020. 7. Zakaria Yahia and Anup Pradhan “Optimal load scheduling of household appliances considering consumer preferences: an experimental analysis”, Energy 163, 15-26, 2018. 8. Mahmoud Heshmat,Zakaria Yahia, Tarek Fatyani and Amr Eltawil “Investigation of design and coordination issues in outpatient chemotherapy clinics using an ontology-based conceptual model” International Journal of System of Systems Engineering, 8 (3), 189-210, 2018. 9. Zakaria Yahia, Junichi Iijima, Amr Eltawil and Nermine Harraz “A Design and Engineering Methodology for Organization-based Simulation Model for Operating Rooms Scheduling Problems” Simulation: Transactions of the Society for Modeling and Simulation International 93 (5), 363-378, 2017. 10. Zakaria Yahia, Amr Eltawil and Nermine Harraz “The operating room case-mix problem under uncertainty and nurses capacity constraint” Healthcare Management Science Journal 19, 383-394, 2016. 11. Tarek Fatyani, Zakaria Yahia, Junichi Iijima and Jaehyun Park “A Framework for DEMO-based Project Management Software”, Journal of The Society of Project Management 18, 19-25, 2016.

1. Mostafa El-Bolok and Zakaria Yahia “A Proposed Nonlinear Programming Optimization Model for Optimal Budget Mix of Digital Marketing Campaigns” 2024 IEEE 6th NILES International Conference, 19-21 October 2024. 2. Nourhan Adly, Zakaria Yahia, Mohamed Gheith and Amr Eltawil “A Mixed Integer Programming Formulation for Optimal Scheduling of Household Appliances With Budget Constraint” 2021 IEEE 8th International Conference on Industrial Engineering and Applications (ICIEA 2021) Virtual Conference, Apr. 23-26, 2021. 3. Zakaria Yahia, Anup Pradhan “Optimization and System Dynamics-based Simulation for Electricity Generation-mix Planning and GHG Emissions Mitigation” Proceedings of 29th International Association for Management Of Technology Conference (IAMOT 2020), Nile University, Egypt, 13–17 September 2020. 4. Mamoletsi Nkadimeng, Zakaria Yahia, Anup Pradhan “A Proposed Mathematical Model for Production Planning Problem in The Brewing Industry” Proceedings of 29th International Association for Management Of Technology Conference (IAMOT 2020), Nile University, Egypt, 13–17 September 2020. 5. Martin Siluthanyi, Zakaria Yahia, Anup Pradhan “Supply Chain Management of Milled Grain Products: A Review and Conceptual Framework” Proceedings of 29th International Association for Management Of Technology Conference (IAMOT 2020), Nile University, Egypt, 13–17 September 2020. 6. Zakaria Yahia and Pule Kholopane “Multi-objective Optimization of Dynamic Electricity Generation-mix with CO2 Reduction Target: A Case Study of South Africa” Proceedings of the IEOM International Conference, Bangkok, Thailand, March 5 - 7, 2019. 7. Zakaria Yahia and Anup Pradhan “Multi-objective Preemptive Optimization of Residential Load Scheduling Problem Under Price and CO2 Signals” the IEOM International Conference, Bangkok, Thailand, March 5 - 7, 2019. 8. Zakaria Yahia and Tarek Fatyani “TAKA News Search Engine: A Proposed DEMO-based Performance Evaluation System” Proceedings of the IEOM International Conference, Bangkok, Thailand, March 5 - 7, 2019. 9. Zakaria Yahia and Pule Kholopane “Optimization-based Scheduling of Ingula Pumped Storage Plant under demand uncertainty” Proceedings of the IEOM South Africa International Conference, Pretoria, South Africa, October 29 - November 1, 2018. (Got the best paper award in the Applied Operations Research Track) 10. Zakaria Yahia and Anup Pradhan “Coordinated Scheduling of Multiple Households’ Appliances with Levelled Load Profiles and Consumers’ Preferences” Proceedings of the IEOM South Africa International Conference, Pretoria, South Africa, October 29 - November 1, 2018. 11. Zakaria Yahia and Kristy Langerman “Assessing the Implications of South Africa’s Integrated National Electrification Programme’s Restricted Electricity Supply Connections” Proceedings of the IEOM South Africa International Conference, Pretoria, South Africa, October 29 - November 1, 2018. 12. Mamoletsi Winnie, Zakaria Yahia and Anup Pradhan “Integration between Production Planning, Quality and Sales: A proposed framework” Proceedings of the IEOM South Africa International Conference, Pretoria, South Africa, October 29 - November 1, 2018. 13. Mohammed Abdelgalil, Zakaria Yahia, Tomohiko Mizutani, Kazuhide Nakata, Amr Eltawil “A variable neighborhood search algorithm with new high-weight-constraints-focused structures for the nurse rostering problem” The 2018 Fall National Conference of Operations Research Society of Japan, Nagoya, Japan, September 2018. 14. Zakaria Yahia and Anup Pradhan “An Optimal Load Schedule of Household Appliances with Leveled Load Profile and Consumer’s Preferences” Domestic Use of Energy 2018, Cape Town, South Africa, 3-5 April 2018. 15. Zakaria Yahia and Pule Kholopane “A Binary Integer Programming Model for Optimal Load Scheduling of Household Appliances with Consumer’s Preferences” Domestic Use of Energy 2018, Cape Town, South Africa, 3-5 April 2018. 16. Mohammed Abdelgalil, Zakaria Yahia and Amr Eltawil “A Proposed New Dynamic Programming Formulation for The Nurse Rostering Problem” 47th International Conference on Computer and Industrial Engineering Proceedings, Lisbon, Portugal, 11-13 October 2017. 17. Zakaria Yahia, Nermine Harraz and Amr Eltawil “Building Master Surgery Schedules with Leveled Bed Occupancy and Nurse Workloads” The IEEE International Conference on Industrial Engineering and Engineering Management (IEEM-IEEE), Malaysia, 9-12 December 2014. 18. Zakaria Yahia, Nermine Harraz and Amr Eltawil “The Operating Room Case-mix Problemunder Demand Uncertaintyand Nurses Capacity Constraint” The 44th International Conference on Computer and Industrial Engineering (CIE44 & IMSS’14) Proceedings, Istanbul, Turkey, 14-16 October 2014. 19. Zakaria Yahia, Nermine Harraz and Amr Eltawil “A Proposed Solution Framework for the Operating Room Scheduling Problems” Proceedings of the World Congress on Engineering & Computer Science, San Francisco, USA, 23-25 October 2013. 20. Mohamed Adel Shalaby, Tamer Abdelmaguid and Zakaria Yahia “New Routing Rules for Dynamic Flexible Job Shop Scheduling with Sequence-Dependent Setup Times” Proceedings of the 2012 International Conference on Industrial Engineering and Operations Management, Istanbul, Turkey, 3-6 July 2012.

Research Projects: - Using Computer Simulation Systems to Mitigate the Impact of COVID-19 Outbreaks; Funded by JICA; Budget: $5000; Duration: 6 Months (December 2020: May 2021); Role: Co-PI; Key objectives: • Build a simulation model for a generic COVID-19 emergency response field hospitals to simulate and predict resource requirements (i.e., beds, doctors, nurses, ventilators, IC units) given different scenarios of COVID-19 infection rates. • Build a simulation model to predict the total infections and the medical staff infections over time within a certain community or hospital and re-generate assignment and rostering tables for medical stuff, accordingly. • Develop a model that captures the characteristics of a medical supply chain and use it to decrease the time needed to deliver different medical supplies to the different destinations. European Funded Projects - Industrial Engineering and Management Sciences – New Postgraduate Programs (544477-TEMPUS-1-2013-1-EG-TEMPUS-JPCR (2013 – 5033/001-001)); Funded by TEMPUS, Budget: 1,000,000 Euro, Role: Team Member of Partner University, Current Status: Completed. I was involved the following project activities: • The development and accreditation of a Postgraduate Diploma in Quality Systems and Management at the Mechanical Engineering Department, Faculty of Engineering, Fayoum University. • The participation and organization of the training activities, workshops and launching and dissemination events that have been conducted in Egypt and abroad.

E-JUST Teaching Experiences: - Operations Research 2020/2021/2022/2024 - Operations Management 2020/2021/2022/2024 - Statistical Quality Control 2020/2021/2022 - Health and Safety Engineering 2020/2021/2022 Other Teaching Experiences outside E-JUST: - Modeling and Simulation of Industrial Systems - Supply Chain Management - Project Management - Engineering Economy - Lean & Six Sigma - Quality Assurance and Management - Engineering Cost Analysis - Work Analysis and Measurement - Maintenance Planning - Engineering Management - Inventory Management - Productivity Analysis and Improvement - Graduation Project