Dr Ramzi HAMMAMI

Full Professor

Department: Supply Chain Management and Information Systems

Nationalities:

Expertise liée aux objectifs de développement durable des Nations unies:

UN Sustainable logo 3 UN Sustainable logo 7 UN Sustainable logo 9 UN Sustainable logo 11 UN Sustainable logo 12 UN Sustainable logo 13

Teaching

  • Operations management
  • Supply Chain Management
  • Production Systems
  • Purchasing

Qualifications

  • Ph.D. in Industrial Engineering (2008), Grenoble INP
  • Master of research degree in Industrial Engineering, Management of Industrial Systems (2004), National Engineering School of Tunis (ENIT)
  • Master’s degree in Industrial Engineering (2002), National Engineering School of Tunis (ENIT)

Awards and grants

  • Research funding (350k€) from the French National Research Agency (ANR) for research on green supply chain management, (2016-2020)
  • Research funding (150k€) from company ‘KLS Logistic System’ for research on the optimization of automated warehousing systems, (2014-2017)
  • Best Ph.D. Thesis award from the National Council of Scientific Research in France, (2009)
  • Best student paper award – First prize, at IESM international conference, China (2007)
  • EIFFEL Ph.D. Excellence Scholarship

Research Interest

  • Supply Chain Design
  • Green Supply Chain Management
  • Demand and Revenue Management
  • Inventory Management
  • Purchasing and Supplier Selection
  • Stochastic Models
  • Decision Support Systems
  • Linear/Non-linear Optimization

Work experience

Academic responsibilities

  • Director for Digital and Green Supply Chain Management Area of Expertise, Rennes School of Business (October 2018 – Present)
  • Head of Research Center R-SCOM (Supply Chain & Operations Management) at Rennes SB, (2015- September 2018)
  • Head of Supply Chain Management & Information Systems department at Rennes SB, (2014-2016)

Academic experience

  • Full professor, Supply Chain Management & Information Systems department, Rennes SB, (2015- Present).
  • Associate professor, Supply Chain Management & Information Systems department, Rennes SB, (2012 –2015)
  • Associate professor, Toulouse Business School, (2010 – 2012)
    Assistant professor, Transportation and Logistics School of Sousse, (2008 – 2010)
  • Part-time teacher, National Engineering School of Tunis, (2006 – 2008)
  • Part-time teacher, Technology and Computers School of Tunis, (2004 – 2006)

Industrial experience

  • Purchasing Manager, FAURECIA (Automotive industry), (2004-2005)
  • Quality Purchasing Manager, VALEO (Automotive industry), (2002-2004)
  • R&D project manager, COFAT (Automotive industry), (2002)
  • Consulting project with a large Tunisian industrial group (Photovoltaic energy), (2008-2010)

Intellectual contributions

Refereed Articles - Basic or Discovery Scholarship

  • Ramzi Hammami, Sinan Salman, Moutaz Khouja, Imen Nouira, Suzan Alaswad (2023) Government strategies to secure the supply of medical products in pandemic times. European Journal of Operational Research, Volume 306, Issue 3, 1 May 2023, pp 1364-1387
  • Moutaz Khouja, Ramzi Hammami (2023) Building viable stockpiles of personnel protective equipment. European Journal of Operational Research, Volume 307, Issue 3, 16 June 2023, pp 1206-1224
  • Moutaz Khouja, Ramzi Hammami (2023) Optimizing price, order quantity, and return policy in the presence of consumer opportunistic behavior for online retailers. European Journal of Operational Research, Volume 309, Issue 2, 1 September 2023, Pages 683-703
  • “Sobhan Razm, Nadjib Brahimi, Ramzi Hammami, Alexandre Dolgui (2023) A production planning model for biorefineries with biomass perishability and biofuel transformation. International Journal of Production Economics, Volume 258, 2023, 108773”
  • Ramzi Hammami, Erfan Asgari, Yannick Frein, Imen Nouira (2022) Time- and price-based product differentiation in hybrid distribution with stockout-based substitution. European Journal of  Operational Research, Volume 300, Issue 3, 1 August 2022, Pages 884-901
  • Imen Nouira, Ramzi Hammami, Alina Fernandez Arias, Natacha Gondran, Yannick Frein (2022) Olive oil supply chain design with organic and conventional market segments and consumers’ preference to local products. International Journal of Production Economics, Volume 247, May 2022, 108456
  • Narjes Kandil, Ramzi Hammami, Olga Battaïa (2022) Insourcing versus outsourcing decision under environmental considerations and different contract arrangements, International Journal of Production Economics, Volume 253, 2022, 108589
  • Ramzi Hammami, Yannick Frein, Imen Nouira, Abduh-Sayid Albana (2022) On the interplay between local lead times, overall lead time, prices, and profits in decentralized supply chains. International Journal of Production Economics, Volume 243, 2022, 108324
  • Erfan Asgari, Ramzi Hammami, Yannick Frein, Imen Nouira (2021) The effect of greenness- and price-based competition on a product’s environmental performance. International Journal of Production Economics, Volume 234, April 2021, 108062
  • Razm, S., Dolgui, A., Hammami, R., Brahimi, N., Nickel, S., Sahebi, H. (2021) A Two-Phase Sequential Approach to Design of Bioenergy Supply Chains under Uncertainty and Social Concerns. Computers & Chemical Engineering, Volume 145, February 2021, 107131
  • Nicolas Lenoble, Ramzi Hammami and Yannick Frein (2021) Fixed and Rolling Batching for Order Picking from Multiple Carousels. Production Planning and Control, Volume 32, 2021 – Issue 8, pp 652-659
  • Narjes Kandil, Olga Battaïa, Ramzi Hammami (2020) Globalisation vs. Slowbalisation: A literature review of analytical models for sourcing decisions in Supply Chain Management . Annual Reviews in Control, Volume 49, 2020, Pages 277-287
  • Hammami, R. (2020) Delivery Time Quotation and Pricing in Two-Stage Supply Chains: Centralized Decision-making with Global and Local Managerial Approaches. European Journal of Operational Research, https://doi.org/10.1016/j.ejor.2020.03.006
  • Hammami, R., Frein, Y., Albana, A.S. (2020) Customer rejection to guide lead time quotation and pricing decisions. Journal of the Operational Research Society, https://doi.org/10.1080/01605682.2020.1718556
  • Albana, A. S., Frein, Y., Hammami, R. (2018) Effect of a lead time-dependent cost on lead time quotation, pricing, and capacity decisions in a stochastic make-to-order system with endogenous demand. International Journal of Production Economics, Volume 203 (2018), pp. 83–95
  • Hammami, R., Nouira, I., Frein, Y. (2018) Effects of Customers’ Environmental Awareness and Environmental Regulations on the Emission Intensity and Price of a Product. Decision Sciences, Vol. 49 Number 6, December 2018, pp. 1116-115
  • Nicolas Lenoble, Yannick Frein, Ramzi Hammami, 2018. Order batching in an automated warehouse with several vertical lift modules: Optimization and experiments with real data. European journal of operational research, 267 (3), 958-976.
  • Ramzi Hammami, Yannick Frein, Bouchaib Bahli, 2017. Supply chain design to guarantee quoted lead time and inventory replenishment: model and insights. International Journal of Production Research, 55(12), 3431-3450.
  • Imen Nouira, Ramzi Hammami, Yannick Frein, Cecilia Temponi, 2016. Design of forward supply chains: Impact of a carbon emissions-sensitive demand. International Journal of Production Economics, 173, 80-98.
  • Ramzi Hammami, Imen Nouira, Yannick Frein, 2015. Carbon emissions in a multi-echelon production-inventory model with lead time constraints. International Journal of Production Economics, 164, 292-307.
  • Ramzi Hammami, Yannick Frein, 2014. Redesign of global supply chains with integration of transfer pricing: Mathematical modeling and managerial insights. International Journal of Production Economics, 158, 267-277.
  • Ramzi Hammami, Yannick Frein, 2014. Integration of the profit-split transfer pricing method in the design of global supply chains with a focus on offshoring context. Computers & Industrial Engineering, 76, 243-252.
  • Ramzi Hammami, Yannick Frein, 2014. A Capacitated Multi-echelon Inventory Placement Model under Lead Time Constraints. Production and Operations Management, 23 (3), 446-462.
  • Ramzi Hammami, Cecilia Temponi, Yannick Frein, 2014. A scenario-based stochastic model for supplier selection in global context with multiple buyers, currency fluctuation uncertainties, and price discounts. European journal of operational research, 233, 159-170.
  • Ramzi Hammami, Yannick Frein, 2013. An optimisation model for the design of global multi-echelon supply chains under lead time constraints. International Journal of Production Research, 51(9), 2760-2775.
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-Alouane, 2012. An international supplier selection model with inventory and transportation management decisions. Flexible Services and Manufacturing Journal, 24(1), 4-27.
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-Alouane, 2011. Supplier selection in global context: modeling and managerial insights with emphasis on low-cost suppliers issues, International Journal Services Operations and Informatics, 6(1/2).
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-Alouane, 2010. Modèles d’optimisation pour la conception des chaînes logistiques internationales. Journal européen des systèmes automatisés, 44(7).
  • Ramzi Hammami, Atidel B. Hadj-ALouane, Yannick Frein, 2009. A strategic-tactical model for the supply chain design in the delocalization context: Mathematical formulation and a case study. International Journal of Production Economics, 122, 351-365.
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2009. An activity based approach to design supply chains in the delocalization context. Journal of Operations and Logistics, 2
    (4), Special Issue on Supply Chains.
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2008. Supply chain design in the delocalization context: Relevant features and new modeling tendencies. International Journal of Production Economics, 113(2), 641-656.

Presentations of Refereed Papers International

  • Amina Chelly, Imen Nouira, Ramzi Hammami, Guillaume Bagnarosa. Olive oil procurement and production strategies under weather-dependent yield uncertainty. International Working seminar on Production economics 2022, 21-25 February 2022 Innsbruck Austria
  • Sobhan Razm, Ramzi Hammami, Alexandre Dolgui, Nadjib Brahimi., 2021, Designing Bioenergy Supply Chains under Social Sustainability Constraints, IFIP WG 5.7 International Conference, APMS 2021, Nantes, France, 5-9 September 2021
  • Salman, Sinan, Suzan Alaswad, Ramzi Hammami and Imen Nouira. Planning the supply of emergency medical products to cope with pandemics. IISE Annual Conference and Expo 2021 ; : 746-751, 22-25 May 2021, on line
  • Asgari, E., Hammami, R., & Frein, Y. (2021). On retailers’ profit in a price-and greenness sensitive market with different demand functions. CIGI Conference Internationale en génie industriel QUALITA, Grenoble, France. 5-7 May 2021
  • Imen Nouira, Alina Fernandez Arias, Natacha Gondran, Ramzi Hammami, 2021, Analysis of Price and Production Configuration in the Olive Oil Industry with organic and conventional products: The French Case, CIGI Qualita 21, online, 5-7 May
  • Asgari, E., Hammami, R., Frein, Y., 2020, Retailing Competition for Substituable Products in Greenness – and Price – Dependent Market, 8th ILS 2020, Austin, Texas, USA, April
  • Hammami, Ramzi, Asgari, E., Frein, Y, 2019, Time and Price based product differentiation in a hybrid MTO MTS system, MSOM International conference, Singapore, Singapore, June
  • Hammami, Ramzi, 2018, Outsourcing x Insourcing, ICMR 2018 , Skovde, Sweden, September
  • Kandil, N., Hammami, R., Temponi, C., 2018, Environmental investment and pricing in a multi-period horizon with stochastic and dynamic carbon tax, ILS 2018, Lyon, France, July
  • Brahimi, Nadjib, Fereira, A., Hammami Ramzi, 2018, Solving a lot sizing problem, 29th European Conference on Operational Research, Valencia, Spain, July

Selection of refereed international conferences and book chapters

  • Ramzi Hammami, Yannick Frein, 2013, Inventory placement optimisation in complex supply chains, MIM’2013 – IFAC Conference on Manufacturing Modelling, Management, and Control, Russia
  • Ramzi Hammami, Yannick Frein, 2013, Integration of delivery lead time constraints and inventory replenishment conditions in supply chain models, IEEE Conference on Control, Decision and Information Technologies, Tunisia
  • Ramzi Hammami, Yannick Frein, 2013, Re-design of global supply chains with integration of international factors, International Conference on Industrial Engineering and Systems Management, Morocco.
  • Ramzi Hammami, 2011, An optimization model for global supplier selection, International conference on Industrial Engineering and Engineering Management, Singapore
  • Ramzi Hammami, Yannick Frein, 2011, Inventory placement in multi-echelon supply chains with delivery lead time constraints, MSOM Annual Conference
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2010, Impacts of lead time constraints on supply chain decisions, Production and Operations Management Society conference
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2010, International supplier selection: literature review and modeling guidelines, International conference on Information Systems, Logistics and Supply Chain
  • Ramzi Hammami, Atidel B. Hadj-ALouane, Yannick Frein, 2008, Supply chain design with transfer pricing, International Conference on Information Systems, Logistics and Supply Chain,
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2007, Concevoir la chaîne logistique pour le problème de délocalisation: cas des délocalisations françaises en Tunisie. Dans Les systèmes de production: applications interdisciplinaires et mutations, Hermès
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-ALouane, 2007, A strategic model for supply chain design in the delocalization Context, International Conference on Industrial Engineering and Systems Management, Beijing, China
  • Ramzi Hammami, Atidel B. Hadj-ALouane, Yannick Frein, 2007, Mise en œuvre d’un modèle logistique de délocalisation et Approche de résolution, Congrès International de Génie Industriel Québec, Canada
  • Ramzi Hammami, Yannick Frein, Atidel B. Hadj-Alouane, 2007, The relevant features of supply chain design in the delocalization context, International Conference on Production Research, Santiago, Chili