Thomas G.-Interim Digital Product Manager

Check rate
Experience
Author
Springer Gabler
- Wrote the book chapter “Entwicklung eines digitalen Geschäftsmodells” for the Springer Gabler collection “Praxishandbuch Digitales Management”.
Interim Digital Product Manager
Novartis Pharma GmbH
Tech Stack: Jira, Confluence, Microsoft 365
Took on a critical role: Quickly stepped in as Product Manager to provide cover and ensure the digital product continued to operate and develop in a highly regulated environment.
Goal: Realign the product roadmap, ensure compliance, and successfully roll out new features.
Strategic realignment: Defined and established a clear product strategy and roadmap to consistently align product development with business goals and current market trends.
Complex requirements management: Led and prioritized product requirements from cross-functional, international stakeholder groups (TA, Brand Family, Content Manager, Legal) to ensure maximum alignment with objectives and compliance.
Development management: Effectively managed the development process with international agile teams, ensuring critical product releases were delivered on time and within budget.
Go-to-market leadership: Led product launch and marketing activities (in coordination with Channel Orchestration Experts) to drive adoption and the success of the new digital solution.
Data-driven optimization: Monitored and analyzed product performance metrics (KPIs) to identify areas for improvement based on data and maximize business value.
Digital Platform Manager
Novartis Pharma GmbH
Tech Stack: Jira, Confluence, Microsoft 365
Focus: Improving the efficiency of marketing and sales management through automation, while ensuring adoption of new systems.
Goal: Bringing fragmented marketing and sales channels together into a coherent, cross-channel customer experience by implementing and integrating advanced IT systems.
Platform strategy & architecture: Developed and integrated digital platforms to create a coherent, evolving, cross-channel customer experience.
Implementing advanced systems: Responsible for designing and delivering system development through agile sprints, particularly advanced IT systems for efficient marketing and sales management.
Efficiency through automation: Evaluated existing processes for automation opportunities and efficiency gains through new technologies; proactively contributed forward-looking ideas for improvement.
Change management & enablement: Designed and delivered effective change management and training for field sales and marketing to ensure strong adoption and successful use of the new systems.
Complex coordination: Managed external international service providers / agencies in collaboration with global, local, and cross-country teams to ensure objectives were met.
Digital knowledge transfer: Actively shared digital topics and strategies across the organization to support digital transformation.
Lecturer in Digital Business Models
HfWU Nürtingen
- Took on the course “Digital Business Model Transformation” (bachelor’s level)
- Developed digital business models end-to-end using the Lean approach, including practical application of relevant business model tools
- Taught the course in English to strengthen skills in working with international teams and stakeholders
- Wrote the book chapter “Entwicklung eines digitalen Geschäftsmodells” for the Springer Gabler collection “Praxishandbuch Digitales Management”
- Initiated and moderated the Skool community “Digitale Geschäftsmodelle” to promote collaborative knowledge sharing within the professional network and practical business model development
Innovation Consultant / Venture Developer
E.ON Energie Deutschland GmbH
Tech Stack: Notion, Google Workspace, Miro, Lean Startup, Customer Journey Mapping
Focus: Quickly generate customer insights and provide a sound basis for product investment decisions in the energy sector.
Goal: In a three-month engagement, lay the groundwork for developing a new digital product by validating market viability and developing a clear, user-centered strategy.
Product strategy & roadmap: Designed and initially implemented the end-to-end product roadmap, translating the vision into measurable development steps.
User-centered design (UX/Research): Developed the customer journey and conducted user interviews for in-depth market research to ensure a user-centered customer experience.
Process & communication management: Managed projects and processes for internal and external customer communications, ensuring stakeholders were informed and aligned effectively.
Strategic decision brief: Compiled all market research, user insights, and product strategy into a results presentation for senior management to support approval of further investment decisions.
Innovation Consultant / Venture Developer
Eprimo GmbH
Tech Stack: Notion, Google Workspace, Miro, Lean Startup, Customer Journey Mapping
Focus: Quickly generate customer insights and provide a sound basis for product investment decisions in the energy sector.
Goal: Lay the foundation for developing a new digital product during a three-month engagement by validating market viability and developing a clear, user-centered strategy.
Product Strategy & Roadmap: Designed and initially implemented the end-to-end product roadmap, translating the vision into measurable development steps.
User-Centered Design (UX/Research): Developed the customer journey and conducted user interviews for in-depth market research to ensure a user-centered customer experience.
Process & Communications Management: Managed projects and processes for internal and external customer communications, keeping stakeholders informed and aligned.
Strategic Decision Brief: Prepared all market research, user insights, and product strategy in a results presentation for senior management to approve further investment decisions.
Innovation Consultant / Venture Developer
Grubengold GmbH
Engagements for Eprimo GmbH and E.ON Energie Deutschland GmbH.
Tech Stack: Notion, Google Workspace, Miro, Lean Startup, Customer Journey Mapping
- Designed and initially implemented the end-to-end product roadmap to make development steps measurable
- Developed the customer journey and conducted user interviews for in-depth market research
- Managed projects and processes for internal and external customer communications to keep stakeholders informed and aligned
- Prepared market research, user insights, and product strategy in results presentations for senior management as a basis for decision-making
Digital Platform Manager
Novartis Pharma GmbH
Tech Stack: Jira, Confluence, Microsoft 365, Google Analytics
Focus: Improving the user experience (UX), guiding the development team with precise requirements, and iteratively optimizing performance.
Goal: Continuously develop a central digital platform with a user-centered approach, while managing the technical challenge of a CMS migration.
Platform Strategy & UX: Designed and implemented the platform vision and roadmap in close coordination with relevant stakeholders to significantly improve the user experience (UX).
Agile Requirements Management: Clearly defined requirements as user stories and user acceptance criteria to guide development in line with current business needs and key customer needs.
Iterative Performance Optimization: Continuously monitored KPIs across the customer journey and conducted iterative tests to optimize platform performance based on data.
Complex Stakeholder Management: Coordinated between local and global departments, IT, and partners to ensure alignment and smooth operations.
Process & Tech Management: Managed and continuously improved the technical and administrative processes associated with the platform; planned and coordinated the CMS migration.
External Partner Management: Managed external service providers and agencies to deliver the roadmap efficiently and effectively.
Location Manager / Strategic Consultant
Neckar Hub Stuttgart – My Hub Network of Neckar Hub GmbH
Focus: Business Model Development, Startup Mentoring, Network Building
Focus: Establishing new revenue streams and building a comprehensive support structure for startup ventures.
Goal: Strategically building and managing the Stuttgart location to create a flexible workspace and networking offering for startups and companies as part of the "New Work" approach.
Business Model Development & Diversification: Strategically developed the business model to create new revenue streams, both in person and digital.
Startup Mentoring & Coaching: Advised, coached, and mentored startup ventures in the region (including through external programs), supporting startups from concept to scale-up.
Brand and Network Building: Led brand development in the Stuttgart area and strategically analyzed and acquired partners.
Consulting
Stuttgart Media University
- Provided strategic advice (including on behalf of Stuttgart Media University) on general networking and team formation for young startups.
Startup Scout
INNOSPOT GmbH
- Extensive startup scouting based on defined technological requirements on behalf of various clients (Startup Scout at INNOSPOT GmbH).
- Contacting and initially validating selected startups to gather more detailed information.
- Preparing and presenting the collected market and technology information as a basis for client decisions.
Manager Customer Success & Customer Strategy
StoryBox GmbH
- Analyzing customer requirements directly from customer interactions to feed the product development process with data (Manager Customer Success & Customer Strategy at StoryBox GmbH).
- Handling complex customer inquiries and providing solution-oriented support to existing customers in using the software.
- Onboarding new customers to complex software solutions (Manager Customer Success & Customer Strategy at StoryBox GmbH).
- Creating recommendation reports and strategic decision documents based on the customer data collected.
Research Analyst
netzwerk P GmbH
- Conducting in-depth interviews with end customers to analyze and improve the customer journey in detail (Research Analyst at netzwerk P GmbH).
- Creating recommendation reports and strategic decision documents based on the customer data collected.
Co-founder / Team Lead / Product and Project Manager
DEalog – Top20 Projekt im #WirVsVirus-Hackathon der Bundesregierung
Focus: Critical infrastructure, product development, stakeholder management
Focus: Fastest possible validation of the MVP platform, ensuring user acceptance, and acquiring institutional partners.
Goal: Developing a complementary, scalable information platform (back office & citizen app) to close information gaps in the state-organized warning infrastructure (BBK/NINA).
Product and platform creation: Creating a highly complex, dual information platform (back office for institutions and app for citizens).
Agile product management: Coordinating the backlog in close cooperation with the development team; conducting market/customer analyses, including interviews, and creating user stories to guide feature development.
Successful validation: Successfully validating the MVP in the Arnsberg government district (NRW) and conducting negotiations with the city of Heilbronn to launch the live application.
Strategic stakeholder management: Responsible for analyzing and acquiring cooperation partners and managing complex stakeholder relationships (government, authorities, municipalities).
Funding & recognition: Receiving funding from the BMBF and a three-month engagement scholarship through ProjectTogether gGmbH.
Strategic Consultant
Next Shed der Eberspächer Gruppe GmbH & Co. KG
Tech Stack: Business Model Canvas
Focus: Designing a business model and architecture for a new IoT platform to create added value.
Goal: Developing the strategic foundation for a new business area in the forward-looking Smart Home / Smart City sector using IoT technologies.
Business Model Innovation: Playing a key role in developing the new business area and its associated digital service offering in the complex Smart Home / Smart City sector.
Platform design: Strategically developing the architecture and functionality of an IoT platform intended to serve as the technological foundation for the new ecosystem.
Basis for decision-making: Providing a clear conceptual blueprint for implementing the IoT platform, which served as a basis for decisions regarding further investment and the development of the new business area.
Participant
Stuttgart Airport-Challenge
- Winning team at the Stuttgart Airport-Challenge (Hackathon Stuttgart)
- Result: Conceptualization of an indoor navigation system for passengers with an integrated back office for the airport operator.
Participant
Sports Hackathon
- Winning team at the Sports Hackathon (VfB Stuttgart)
- Result: Development of an innovative chatbot solution to expand the fan service offering.
Product Manager
J. Schmalz GmbH
Focus: Content Management, eCommerce, Process Optimization
Focus: Establishment of an efficient interface between Product, Sales, eCommerce, and Standards.
Goal: Ensuring the up-to-dateness and quality of product content across all digital and analog channels, as well as optimizing internal processes for content creation.
eCommerce Development: Playing a key role in the further development of the online shop in close cooperation with the eCommerce department.
Content Management: Responsible for the content management of the online shop and all sales materials.
Process Optimization: Improving and establishing processes in the area of content creation to increase efficiency and quality.
Interface Coordination: Interface to internal standards and support for technical illustrators in the creation of product-related documents to ensure compliance and quality.
Founder
insighty
Focus: Data-Driven Business Models, Digital Ticketing, Profitability
Focus: Diversification of the offering through Business Model Innovation and identification of potential to increase profitability and sustainability.
Goal: Development of an innovative, data-driven service offering for football Bundesliga clubs to expand fan service and unlock new revenue potential through digital ticketing.
Business Model Innovation & Diversification: Leading the conceptualization of data-driven business models to diversify the offering and unlock new revenue streams.
End-to-End Concept Development: Requirements management based on the entire customer or fan journey in cooperation with VfB Stuttgart, 1. FC Köln, and SC Freiburg to create a user-centered offering.
Market and Stakeholder Analysis: Comprehensive market and stakeholder analyses to validate the business idea within the complex framework of the football Bundesliga.
Strategic Focus: Identifying specific potential to improve the profitability and sustainability of the fan service offering.
Industry experience
See where this freelancer has spent most of their professional time.
Experienced in Sport, Professional Services, Government and Administration, Manufacturing, Education, and Pharmaceutical.
Business area experience
See which departments and functions this freelancer has contributed to most.
Experienced in Marketing, Strategy, Product Development, Sales, Information Technology, and Project Management.
Summary
As a freelance expert in product strategy and digital transformation, and an experienced Interim Product Manager for Digital Products, I bring nearly 14 years of hands-on expertise in the agile development and validation of digital products (web portals, apps) using the Lean approach. One of my key strengths is my in-depth knowledge of AI applications, which enables me to design and optimize new digital products with modern automation and AI marketing strategies in mind.
My guiding principle is to create value in a structured way by strategically combining existing elements, new ideas, and a touch of creativity. This strong entrepreneurial mindset and approach, shaped in part by founding my own business and advising startups, together with my extensive experience in roles at the intersection of business and IT, consistently ensure a strategic overview and the management of complex projects to achieve successful outcomes.
My proactive, hands-on mindset is reflected in the design and implementation of innovative solutions, where transparency and close collaboration with all stakeholders are key to success.
As the founder of the Skool community “Digitale Geschäftsmodelle”, I promote collaborative knowledge sharing within the professional network.
Skills
- Product Management Hard Skills, End-To-End: Agile Product Development (Scrum/Kanban), Product Roadmapping & Backlog Management (Jira / Confluence)
- Requirements Management: Lean Startup / Mvp Validation, Web/App Design (Wireframing, Prototyping)
- Business Transformation & Innovation: Ai Strategy, Ai Marketing Applications, Automation, Business Model Innovation
- Consulting & Coaching: Stakeholder Management Across Business / It / Ux, Teaching (Digital Transformation)
- Strategic Overview Soft Skills: Holistic Perspective, Customer Focus, And P&L Focus
- Communication & Alignment: Stakeholder Management, Conflict Management, And Transparent Collaboration
- Conceptual Strengths: Analytical Thinking, Creative Problem-Solving, And A Structured Approach
- Proactive Execution: Independent Working, Initiative, And Strong Results Orientation
- Software: Microsoft 365 Products, Google Workspace Products, Slack, Teams, Zoom, Miro, Confluence, Jira, Trello, N8n, Make.Com, Manus, Text, Audio, And Video Ai Tools (Chatgpt, Gemini, Claude, Etc.), Claude Code, Higgsfield
Languages
Education
Universität Stuttgart
Diplom-Ingenieur Technology Management · Technology Management · Stuttgart, Germany · 2,3
Certifications & licenses
Solution Enabler Programm
Sandbox – The Accelerator for Startups in the Creative Industries
Agentic Coding
Driving license classes A and B
scrum.org
scrum.org
Prompt Engineering For ChatGPT
Statistics
Experience
Global experience
Expertise
Qualifications
Frequently asked questions
Have questions? Find more information here.
Thomas is based in Stuttgart, Germany and can operate in on-site, hybrid, and remote work models.
Thomas speaks the following languages: German (Native), English (Advanced), Spanish (Intermediate), French (Intermediate).
Thomas has at least 14 years of experience. During this time, Thomas has worked in at least 15 different roles and for 17 different companies. The average length of individual experience is 1 year and 9 months. Note that Thomas may not have shared all experience and actually has more experience.
Based on recent experience, Thomas would be well-suited for roles such as: Author, Interim Digital Product Manager, Digital Platform Manager.
Thomas's most recent position is Author at Springer Gabler.
In recent years, Thomas has worked for Springer Gabler, Novartis Pharma GmbH, HfWU Nürtingen, E.ON Energie Deutschland GmbH, and Eprimo GmbH.
Thomas is most experienced in industries like Sport, Professional Services, and Government and Administration. Thomas also has some experience in Manufacturing, Education, and Pharmaceutical.
Thomas is most experienced in business areas like Marketing, Strategy, and Product Development. Thomas also has some experience in Sales, Information Technology, and Project Management.
Thomas has recently worked in industries like Professional Services, Government and Administration, and Education.
Thomas has recently worked in business areas like Marketing, Sales, and Strategy.
Thomas holds a Master in Technology Management from Universität Stuttgart.
Thomas has 7 certificates. Among them, these include: Solution Enabler Programm, Sandbox – The Accelerator for Startups in the Creative Industries, and Agentic Coding.
Thomas is immediately available full-time for suitable projects.
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Calculated based on our freelancers’ daily rates as of 7 Nov 2026. Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.
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