Curriculum Vitae
Experience
Co-Founder & Managing Director — Planningio GmbH, Hamburg ·
Planningio is a Hamburg-based consulting boutique and software company specializing in mathematical optimization, simulation, and digital twins (planningio.com). We combine analysis, modeling, and implementation from a single source, with projects ranging from one-off analyses to production-grade software.
- Clients across industry, logistics, infrastructure, and major events, from automated production planning in the beverage industry to crowd management for millions of pilgrims in Makkah
Lecturer — Kühne Logistics University, Hamburg ·
- English-language course based on the book “Algorithms to Live By”, focusing on algorithms and optimization in everyday and business decisions
- Developed a hands-on Python format introducing students to data-driven decision models
Lecturer — Universität Hamburg ·
- Interdisciplinary course on entrepreneurship in operations and supply chain management
- Strong involvement of industry partners to give students real-world founding experience
Research Associate — Universität Hamburg ·
- Teaching in production and logistics (B.Sc.) and supply chain management (M.Sc.); supervision of seminar, bachelor’s, and master’s theses on quantitative methods
- Research and publications in business analytics
Intern, Supply Chain Management — Wallenius Wilhelmsen, Bremen ·
- Norwegian-Swedish shipping company specializing in rolling cargo, in particular global vehicle logistics
- Contributed to implementing a factory-to-dealer approach for BMW to efficiently manage global vehicle supply chains
Education
Dr. rer. oec. (summa cum laude) — Universität Hamburg ·
Dissertation: “Choice-based analytics with applications in supply chain contracting and carbon emission reduction initiatives”
M.Sc. Business Administration — Universität Hamburg ·
B.Sc. Business Administration — Universität Hamburg ·
Publications
Journal Articles
- Roemer, N., Müller, S., & Voigt, G. (2023). A choice-based optimization approach for contracting in supply chains. European Journal of Operational Research, 305(1), 271–286. doi.org/10.1016/j.ejor.2022.05.052
- Roemer, N., Souza, G. C., Tröster, C., & Voigt, G. (2023). Offset or reduce: How should firms implement carbon footprint reduction initiatives? Production and Operations Management, 32(9), 2940–2955. doi.org/10.1111/poms.14017
Working Papers
- Roemer, N. Strategic product returns and the optimization of shipping fee policies in online retailing. Working paper.
- Roemer, N., & Voigt, G. Carbon emission reduction preferences and hypothetical bias in experiments on sustainability. Working paper.
Awards & Honors
- Professor Herbert Jacob Prize, Universitäts-Gesellschaft Hamburg (2024), biennial dissertation prize for business administration research with high relevance for both academia and practice
- Gründungspreis, Digital Innovations Competition, German Federal Ministry for Economic Affairs and Climate Action (2023), Planningio recognized as one of Germany’s most innovative start-ups
- Best Master’s Graduate, Universität Hamburg (2018)
Academic Service
- Reviewer for OR Spectrum and Transportation Research
- Juror for the Hamburg Teaching Award and the KREATI case study competition (Verband Deutscher Wirtschaftsingenieure e.V.)
Skills
Core: Mathematical optimization & operations research · Statistics & data science · Supply chain management & logistics · Entrepreneurship & business leadership
Tools: Python, R · GAMS, MATLAB, CPLEX · LaTeX, Quarto
Languages
German (native) · English (fluent) · French (basic)