Marcus Leiwe, Ph.D.
Founding Partner and Data Science Lead
Dr. Marcus Leiwe has over a decade of experience executing complex data platform builds and advanced analytics. He designs scalable architectures and automated pipelines that compress processing workflows from weeks to hours, while developing modelling techniques that optimise analytical precision from 75% to 92%. Proficient in extracting high-value insights from dense, unstructured datasets via statistical modelling and machine learning, Dr. Leiwe ensures systems are engineered for immediate strategic decision-making.
Elis Ortiz, Ph.D.
Principal AI Solutions Architect
Dr. Elis Ortiz specialises in the architecture and build of end-to-end AI systems for the maritime, logistics and deep-tech sectors. She creates production-grade systems from data foundations to validated models, ready to run on cloud or on-prem infrastructure. Her work centres on hard-tech domains where data is complex and errors are costly, from forecasting freight markets to calibrating precision instruments and benchmarking quantum hardware. Her expertise spans solution architecture, software design, multi-source data integration and R&D workflow automation. At L&P, she leads the translation of commercial challenges into scalable, production-ready AI solutions.
Alexander Payne
AI Strategy & Implementation Consultant
Alexander Payne combines 15 years in financial technology with hands-on AI development. He partners with leadership to architect high-impact AI strategies, translating conceptual business challenges into scalable production-grade solutions. His experience spans enterprise data, analytics and risk systems across APAC and EMEA, alongside building multimodal AI applications and agents. He bridges commercial strategy and engineering delivery, ensuring solutions are able to hit their goals.
Whether you're looking to build your first AI capability, optimise existing data infrastructure, or unlock insight you haven't been able to access, Leiwe & Partners brings the expertise, efficiency, and perspective to help you succeed.
We're ready to understand your challenge, design the right solution, and deliver results that matter.



