Statistics and Data Analysis Group

Dr. David Winkelmann

Postdoctoral research associate

Room: U9-128
Phone: +49 521 106-3931
E-mail: david.winkelmann@uni-bielefeld.de

CV

• Bachelor's Degree in Business Administration and Economics (10/2013-09/2016), Bielefeld University
• Master's Degree in Business Administration and Economics (10/2016-03/2019), Bielefeld University
• Research Assitant Chair for Operations Management and Management Accounting, Bielefeld University (06/2019-08/2024)
• Internship Operations Development, REWE digital GmbH, Cologne (01/2020-06/2020)
• Research Assitant 'Decision Analytics' Group, Bielefeld University (01/2022-08/2023)
• Data Scientist Analytics, REWE Group, Cologne (02/2024-08/2024)
• Board Member 'Förderverein der Fachschaft der Fakultät für Wirtschaftswissenschaften an der Universität Bielefeld' (06/2017-06/2023)
• Speaker of the academic mid-level of the department for business administrataion and economics at Bielefeld university
• Reviewer for the European Journal of Operational Research (EJOR), the International Journal of Sports Finance (IJSF), and the Journal of Sports Economics (JSE)

Papers

Talks and Presentations

• "Subscription-Based Inventory Planning for E-Grocery Retailing", 66th Annual Conference of the OR Society (OR66), September 2024, Bangor
• "Subscription-Based Inventory Planning for E-Grocery Retailing", International Annual Meeting of the German OR Society, September 2024, Munich
• "Momentum Effects in Team Sports: Analysing the Interaction between Offence and Defence in the NBA", 33rd European Conference on Operational Research (EURO), July 2024, Copenhagen
• "Subscription-Based Inventory Planning for E-Grocery Retailing", BiGSEM Management Colloquium, May 2024, Bielefeld
• "Prescriptive Analytics for Selected Problems in E-Grocery Logistics", 25. PhD Workshop North-East, May 2024, Lutherstadt Wittenberg
• "Business Analytics for Logistics Operations in E-Grocery Retailing", Colloquium of the Turkish-German University, March 2024, Istanbul
• "Subscription-Based Models for Maximising Profitability in E-Grocery Retailing", 65th Annual Conference of the OR Society (OR65), September 2023, Bath
• "Momentum Effects in Team Sports: Analysing the Interaction of Offence and Defence in the NBA", Workshop of the Centre for Statistics, September 2023, Bielefeld
• "Integrated Storage Assignment for an E-Grocery Fulfilment Centre", International Annual Meeting of the German OR Society, August 2023, Hamburg
• "Optimising Replenishment Order Quantities in E-Grocery Retailing", The 23rd Conference of the International Federation of Operational Research Societies, July 2023, Santiago de Chile
• "Efficiency of betting markets in European football: Evidence from simulations and real data", 10th MathSport International Conference, June 2023, Budapest
• "Integrated and Robust Storage Assignment: An E-Grocery Retailing Business Case", Statistics Seminar Series, October 2022, Bielefeld
• "Capacitated Vehicle Routing with Stochastic Loading Constraints", 106th Meeting of the GOR Working Group “Practice of Mathematical Optimization”, October 2022, Berlin
• "Storage Location Assignment with Varying Demand Patterns: An E-Grocery Retailing Business Case", 64th Annual Conference of the OR Society (OR64), September 2022, Warwick
• "A Bayesian Approach for Analysing Player-Heterogeneity in the Hot Hand", 9th MathSport International Conference, July 2022, Reading
• "Capacitated Vehicle Routing with Stochastic Loading Constraints", 32nd European Conference on Operational Research (EURO), July 2022, Espoo
• "Dynamic Stochastic Inventory Management in E-Grocery Retailing", 3rd Workshop on Value of Information and Further Advancements, June 2022, Oldenburg
• "Storage Location Assignment with Varying Demand Patterns: An E-Grocery Retailing Business Case", 16th Learning and Intelligent Optimization Conference, June 2022, Milos
• "E-grocery distribution logistics: The storage location assignment problem", Joint ALIO/EURO International Conference 2021-2022 on Applied Combinatorial Optimization, April 2022, Vina del Mar
• "Capacitated vehicle routing with stochastic loading constraints",  Workshop of the Centre for Statistics, March 2022, Bielefeld
• "Dynamic stochastic inventory management in e-grocery retailing", INFORMS, October 2021, Anaheim (online)
• "Dynamic Stochastic Inventory Management: An E-Grocery Case Study", 63th Annual Conference of the OR Society (OR63), September 2021, Southampton (online)
• "Dynamic stochastic inventory management in e-grocery retailing", Workshop of the Centre for Statistics, July 2021, Bielefeld
• "Are European Football Betting Markets Inefficient? -- An Analysis using Monte Carlo Simulations", 8th MathSport International (online), June 2021, Reading, UK (video available at https://www.youtube.com/watch?v=G5Rzxffj4_M)
• "Can we beat the market? - Long-term betting strategies in European football", Statistics Seminar Series (online), Bielefeld, November 2020
• "An empirical analysis of the hot hand effect in shooting sports", Statistics Seminar Series, April 2019, Bielefeld

Teaching

• POM 1 - Logistics (lecture; Master of Science)
• POM 2 - Sequencing und Scheduling (lecture; Master of Science)
• POM 3 - Simulating POM Models (lecture and colloquium; Master of Science)
• Decision Analytics Project (seminar; Master of Science)
• Seminar on Managerial Accounting, Supply Chain Management and Logistics (Bachelor of Science)
• Supervision of Bachelor's and Master's theses
• Tutorials on Statistics I, Statistics II, Applied Statistics, and Game Theory