Thomas Kostrewa-Senior Product Manager | Chief Product Owner | Product Coach | AI-Enabled Product Discovery
Check rate
Experience
Agile Coach / Release Train Engineer (SAFe) – Product & Cross-functional Delivery Focus
Autonomous Driving / Connectivity (OEM, confidential)
- Orchestrate cross-functional delivery across organisational units in the Connectivity domain, aligning teams around integrated end-to-end, customer-testable value rather than isolated component delivery.
- Drive a shift from local component optimisation towards shared outcomes and a common delivery goal, increasing focus and enabling significantly faster integrated delivery.
- Coordinate across 15 cross-functional organisations in a highly complex OEM environment; bring Product, Engineering, Programme Management and specialist functions together to resolve dependencies and improve decision-making.
- Coach Product Managers, Product Owners and stakeholders on product responsibility, prioritisation, outcome orientation and aligned backlogs.
- Use Claude through an AWS Bedrock integration to analyse Jira and Confluence content, identify patterns, dependencies and quality gaps, and support structured product and delivery decisions.
- Establish AI-native requirements excellence with LLM-supported quality gates for epics, features, stories, acceptance criteria, roadmaps and task breakdowns; scale adoption through templates and prompt playbooks.
Agile Coach / Release Train Engineer (SAFe) – Scaling & Product Organisation
BSH Hausgeräte GmbH
- Supported a global SAP S/4HANA transformation and built/scaled a SAFe Solution with 2 ARTs and 150+ participants.
- Aligned Business and IT streams and coached Scrum Masters, Product Owners and Epic Owners, connecting SAP Activate with SAFe.
- Introduced predictability metrics and improved forecast quality by approximately 20%.
- Strengthened flow through continuous improvement and WIP limits, contributing to approximately 200% output increase in under three months.
- Supported cross-team dependency management and synchronisation of business and technical deliverables.
Agile Coach – Portfolio & Product Strategy
CARIAD / Volkswagen
- Supported portfolio-level governance and decision-making through Lean Portfolio Management for digital product areas.
- Coached leaders and stakeholders on portfolio flow, prioritisation and decision logic.
- Facilitated alignment workshops to strengthen strategic focus and cross-organisational collaboration.
- Supported organisational development for 100+ engineers and embedded scaled agile ways of working.
Senior Product Owner – Digital Funnel & Data-driven Product Discovery
smava
- Owned the loan-application journey and increased conversion by up to 15% through A/B testing and systematic funnel optimisation.
- Built and scaled an experimentation setup including Optimizely and established KPI-based product steering and decision-making.
- Translated business objectives into outcome-oriented roadmaps, user stories and measurable increments in a cross-functional setup.
- Aligned Product, Engineering, UX and Marketing around end-to-end improvements and rapid learning cycles.
Agile Coach – Team Enablement & Transformation
Vodafone
- Supported an agile transformation using a Spotify-inspired model with Chapters and Guilds alongside Scrum practices.
- Coached cross-functional teams and key roles to strengthen collaboration, delivery and continuous improvement.
- Designed and facilitated training and transformation workshops, working agreements and effective delivery cadences.
- Facilitated Scrum ceremonies and stakeholder alignment.
Senior Product Owner – Platform Product & Growth
- Owned the 'My Network / Contacts' product area and evolved it from a directory into a dynamic networking experience.
- Defined product vision, roadmap and backlog, translating strategy into incremental releases with clear outcomes and KPIs.
- Launched 'Pro Business' premium vertical, covering MVP delivery, positioning and go-to-market alignment.
- Drove premium growth through data-informed optimisation and experimentation with Engineering, UX and stakeholders.
Chief Product Owner
TUI.com
- Led product teams and digital relaunch programmes in a complex travel and e-commerce environment.
- Steered alignment across a stakeholder landscape of 120+ participants.
- Focused product work on customer journeys, conversion optimisation and coordinated delivery across organisational interfaces.
- Supported agile transitions and transformations while connecting product direction with executable delivery.
Industry Experience
See where this freelancer has spent most of their professional time.
Experienced in Information Technology, Automotive, Manufacturing, Banking and Finance, and Telecommunication.
Business Area Experience
See which departments and functions this freelancer has contributed to most.
Experienced in Project Management, Product Development, Information Technology, Business Intelligence, Marketing, and Operations.
Summary
Senior product leader with extensive hands-on experience in product strategy, discovery, roadmap ownership, experimentation and cross-functional delivery. Former Chief Product Owner at TUI.com and Senior Product Owner at smava and XING; today coaching Product Owners and Product Managers in complex enterprise and automotive environments. Strong in turning ambiguous customer and business needs into prioritised product bets, measurable outcomes and aligned end-to-end delivery. Uses AI/LLMs intensively for research, market and gap analysis, requirements quality, dependency identification and decision support, combining practical AI adoption with formal AI transformation qualifications.
Skills
- Product Vision & Roadmaps
- Product Discovery & Co-Creation
- Product Bets & Prioritisation
- Product Strategy
- Ai-Enabled Research & Analysis
- Market & Gap Analysis
- Llm-Based Decision Support
- Requirements Excellence
- Cross-Functional Delivery
- Engineering / Product / Programme Alignment
- End-To-End Customer Value
- Dependency Management
- Commercial & Go-To-Market Alignment
- Product Design Collaboration
- Kpi / Okr
- Experimentation
- A/B Testing
- Product Owner & Product Manager Coaching
- Stakeholder Management
- Safe / Pi Planning
- Scrum
- Kanban
- Tools & Ai: Claude
- Aws Bedrock Integration
- Jira
- Confluence
- Miro
- Ms Teams
Languages
Education
AMB Berlin
Diploma in European Business Administration (FH) · European Business Administration · Berlin, Germany
Certifications & licenses
Microsoft Certified: AI Transformation Leader
Microsoft
AI-Native Change Agent
Scaled Agile, Inc.
AI-Native Foundations
Scaled Agile, Inc.
Scrum Alliance
Scaled Agile, Inc.
Scrum Alliance
Scrum Alliance
Kanban University
Master in Neuro-Linguistic Programming (NLP)
DVNLP
Scrum Inc.
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