Joachim Engesser is a Managing Director and System Leader of BCG Platinion Central Europe. He is based in the Munich office of BCG Platinion.
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Prior to this, Joachim was the consumer goods practice area leader at BCG Platinion in Central Europe. He has experience in Retail and Wholesale business as well as Travel and Tourism, where he has deep experience in the Rail industry.

Joachim is specialized in Digital Transformation, IT Architecture Design as well as Data & Analytics.

Axel Griewel is a Managing Director at BCG Platinion in the Cologne office.

He brings extensive experience in digital transformations across media and telecommunications, with a focus on data management, machine learning enablement, and sustainable target architectures. Axel has a strong track record in building international joint ventures, scaling cross-country teams, and establishing agile operating models.

Prior to consulting, he worked as a bioinformatics research scientist at the University of Hamburg and the University of Texas. He holds a diploma in Bioinformatics (MSc equivalent) and a Dr. rer. nat. (PhD equivalent) in image recognition and computer science.

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Sebastian Ley is a Managing Director at BCG Platinion in the Cologne office and a member of the Central European leadership team. With over 20 years of experience in IT consulting, he specializes in the analysis and definition of enterprise IT architectures and leads large-scale implementation programs across the consumer, travel, and tourism industries.

His expertise includes tech and digital strategy, enterprise architecture design, digital builds and transformations, and core system replacements.

Prior to joining BCG Platinion, Sebastian worked as a Software Engineer at P3 Solutions GmbH. He studied Computer Science at RWTH Aachen University.

Tom Martin is the global lead for AI Platforms at BCG Platinion, Boston Consulting Group's division focused on technology architecture, design, and large scale implementation. Tom leads a team of solution architects, engineers, and technical program managers who design, build, and scale agents and AI systems for clients.

In his work with clients from the technology, media, and telecommunications; consumer and retail; and banking and insurance industries, Tom focuses on AI solutions architecture (from concept to production), agent and platform design, model adaptation and fine tuning for cost/performance at scale, applied research, model evaluations, scaling responsibly and cost effectively, and educating and communicating about AI.

Tom is committed to helping people understand how AI will impact their lives, work, and industry.

Marcel Gonsior is a Principal at BCG Platinion in the Frankfurt office, where he has been working since 2019. As a core member of the Energy Practice, he specializes in tech advisory and end-to-end delivery, with a strong focus on agile delivery models, digital platforms, and large-scale transformations in the Utilities sector.

With over 10 years of experience in IT consulting, Marcel brings a strong agile mindset and deep expertise in DevOps, organizational design, and digital platform building. Prior to joining BCG Platinion, he worked as a Technology Consultant at IBM and as a Research Fellow at Fraunhofer FIT and Microsoft Research.

Marcel holds an M.Sc. with honors from the Elite Graduate Program in Finance and Information Management at TU Munich and a B.Sc. in International Business Administration and IT in cooperation with SAP.

Jonas Jetschni is a Principal IT Architect at BCG Platinion in the Berlin office, where he leads AI & Innovation in Central Europe and drives AI enablement as the Berlin node.

With over 10 years of international experience across Europe, the Middle East, and Asia, he specializes in (agentic) AI, digital product and platform delivery, and building modern technology organizations. He has led large-scale AI and digital transformations from strategy to implementation, delivering measurable business impact, and has built and scaled cross-functional product, platform, and AI teams both with clients and internally at BCG.

Prior to joining BCG Platinion, Jonas worked in venture and product building at tmrw and conducted research on knowledge graphs at Brandenburg University of Applied Sciences. He holds a Master of Science in Business Information Systems, specializing in knowledge graphs and decentralized technologies, from Brandenburg University of Applied Sciences.

David Heurtaux is a Principal IT Architect at BCG Platinion in the London office. Since joining BCG in 2022, he has focused on cloud architecture and (Gen)AI platforms, combining deep expertise in software engineering, Site Reliability Engineering, and AI strategy.
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With over 8 years of experience in IT architecture, David is part of BCG’s (Gen)AI Platforms Group and serves as a BCG Global GenAI Blackbelt. He specializes in cloud-based microservice architectures for AI, data, and digital platforms, and brings strong experience in design thinking, DevOps, and agile methodologies.

Victor von Wachter is a Senior IT Architect at BCG Platinion in the Munich office, focusing on IT architecture and core system transformations in Insurance and Energy.

He holds a PhD in Computer Science from the University of Copenhagen (blockchain focus) and combines strong academic and industry experience. Prior to BCG Platinion, he built the front- and backend of a Swiss-regulated financial exchange at SmartValor and worked on digital accounting and workflow automation at Munich Re.

His expertise includes application and infrastructure target architectures, core system transformations, and innovation topics such as AI agents in the SDLC and blockchain technology. He also holds a Master’s degree with honors from TUM and a Bachelor’s degree from the University of Bayreuth.

Jannik Wöstemeyer is an IT Architect at BCG Platinion in the Düsseldorf office, specializing in the design and implementation of digital solutions and architectures with a focus on process automation, digitalization, and artificial intelligence.

His expertise includes identifying, analyzing, and implementing (AI) use cases, designing scalable solution and platform architectures, and advising on AI strategy and technology integration. He brings strong experience in agile methodologies and hands-on software development.

Jannik began his career with an apprenticeship as a Computer Science Expert in Software Development. He holds a B.Sc. in Business Information Systems from South Westphalia University of Applied Sciences and an M.Sc. in Business Information Systems from the University of Paderborn.

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Sören Glaser-Gallion is an IT Consultant at BCG Platinion in the Munich office, contributing to projects focused on digital transformation and technology strategy.

His experience spans AI-driven automation, IT transformation, and digital business model innovation. Passionate about bridging strategy and technology, Sören is particularly interested in how Agentic AI will shape the next wave of enterprise transformation and enable more adaptive, intelligent organizations.

He holds both a B.Sc. and M.Sc. in Electrical Engineering and Information Technology from the Technical University of Munich.