ChatGPT Experts in Berlin

In-house consulting provider and driver of transformation within the group, multi-stakeholder environment and C-level.

Realignment and stabilization of a cross-functional transformation and scaling program within the group. Sharpening the target picture, priorities, and set of measures, as well as building reliable governance, planning, and steering structures. Structuring roles, responsibilities, and strategic initiatives while including AI and IT automation ideas.

• Designed program realignment and project portfolio management

• Developed strategy model and target picture for IT projects

• Structured portfolio, roadmap, and priorities

• Established governance and regular meetings

• Worked out operating model for flagship projects

• Assessed AI and automation ideas

• Clarified roles and responsibilities

• Implemented change measures

• Developed, moderated, and evaluated workshops

• Transformed 17 initiatives into a steering model

• Increased transparency and decision-making ability

• Strengthened commitment in steering

• Sharpened the operating model structurally

• Integrated three top-5 institutes

• Involved over 80% of stakeholders

• Governance

• Portfolio steering (PPM)

• Change management

• Artificial intelligence

• Workflow automation

• AI use case assessment

• Confluence

• Jira

• Stakeholder management

• Further development and harmonization of cross-site HR structures and processes to increase efficiency and governance in close, ongoing collaboration with the (Group) Works Council.
• Management of the HR transformation during the change of ownership and realignment of the holding structures, generating annual savings of around €1.5 million
• Strategic development and restructuring of the Finance function with the CFO, establishment of a performance culture and optimization of structures and processes with a positive P&L impact.
• Realignment of Talent Acquisition, reducing time-to-hire from 7 months to 8 weeks, optimizing the cost and supplier structure, and introducing data-based management

Worked across several departments with a focus on AI implementation, change, strategic projects, and leadership development.

• Implemented AI initiatives and change management projects.
• Supported strategic analyses and prepared decision-making materials for top management.
• Prepared and facilitated leadership meetings and offsites.
• Developed controlling solutions with Excel for structured management and analysis.

Operational end-to-end recruiting in a mid-sized company environment. Main focus on filling positions in the German market and internationally (Switzerland), with a focus on Sales and Blue Collar roles (Junior – Teamlead) for Falk & Ross. Stakeholder management, high-volume recruiting, and active sourcing. Ensuring an optimal candidate experience and conducting interviews.

• Stakeholder-Management
• High Volume Sales Recruiting / Blue Collar
• Filling key positions in the areas of: Sales and Blue Collar (including Field Sales Representatives, Inside Sales, Head of Sales)
• International recruiting for Switzerland
• Tools: Microsoft Teams, TestGorilla, LinkedIn Recruiter, Indeed Smart Sourcing

Workflow-automation SaaS for operations teams (Berlin, 120 people); full-time freelance engagement reporting to the CEO: an initial 12-month interim mandate, extended twice through the AI build-out; owned product for one squad and coached the other product managers on process.

• Led generative AI (LLM) integration into the core product: from LLM-powered steps to natural-language workflow authoring and step-level automation suggestions, plus AI-managed dynamic workflows, shipped behind eval gates with human-in-the-loop fallbacks: AI-drafted workflows grew to 31% of all new workflows, and median time-to-first-workflow fell from 3 days to 4 hours.
• Packaged the AI capabilities as a usage-based add-on priced on executed automation steps, working with sales and marketing on positioning: ~€800K added ARR in the first year, and adopting accounts churned 1.8 pp less.
• Owned the roadmap end to end: replaced feature-request-driven quarterly planning with an outcome-based rolling roadmap built on quarterly bets and explicit kill criteria, presented monthly to the executive team and quarterly to the board.
• Rebuilt the product-management operating system: weekly customer-discovery cadence incl. workshop facilitation, RFC/decision-doc reviews and a single quarterly metrics narrative; coached four product managers, one promoted to senior during the engagement.
• Closed the engagement as scoped: hired and onboarded the permanent VP Product, handed over the process playbook and roadmap, and exited on schedule in June 2026.

• Full-service marketing agency for global technology groups

• AI adoption project in the field of public administration
• Development of a multi-stage format for introducing AI: keynote, workshops for employees and managers, deep dives on IT and legal topics
• Coordination and content alignment with external subject-matter experts (IT + legal)
• Focus on sustainable use in everyday work instead of a one-time training session

• PROBLEM: GTM effort is guesswork across fragmented identities and channels, with no closed feedback loop.
• BUILT: Cost-pyramid engine (L0–L3): identity resolution across ~25k entities, explainable intent scoring, and a closed decision loop (propose → execute → evaluate → learn) with calibration.
• IMPACT: Shipped v1.3.1 with a live demo; 99% of operations resolve at the free L0 tier (CI-enforced); $0 to run without any API key.

• Leading UX for a Property Management System, an all-in-one solution for vacation rental agencies and tourism regions, covering marketing and rental of holiday apartments and houses
• UX audits, conception, and implementation of UX strategy with a focus on regulatory, security, and user-centered requirements
• Advising C-level stakeholders on UX strategy and design best practices
• Planning and conducting research with agencies and property owners
• Design system strategy and definition of UX architecture

CFO as a Service for a coworking space & incubator (€2 million in annual revenue, 15 employees), 1–2 days per week.

• Took over the full finance function: cash flow management, budgeting, forecasting, building an integrated financial plan
• Approval processes, C-level reporting and KPI tracking
• Communication with banks and tax advisors, C-level sparring
• Tools: Moss, re:cap; functional guidance of an assistant and accounting specialist

• Context: A financial company is launching Kidstarter, a digital financial guide for parents on child savings and planning. The goal is to present complex financial topics in an accessible way and guide parents through relevant themes.

• Focus: Develop a content strategy and voice & tone guidelines as a foundation for consistent UX writing within the platform.

• Key activities:

• analyzed brand values, communication goals, and user personas

• developed a content strategy for core topic areas and content formats

• created voice & tone guidelines with concrete text examples for typical usage situations and modules

• produced initial UX-writing examples illustrating the language guidelines

• Results:

• voice & tone guidelines serve as the basis for consistent writing and editorial content in the web app

• customized GPT integration enables editors to optimize texts according to guidelines

• Used OpenCode and AI-assisted software engineering to design, implement, refactor, test, and document an end-to-end RAW/SDTM/ADaM pipeline in R for Dr. Falk Pharma (07/2026), including metadata-driven transformations, automated validation rules and QC, traceability, and reproducible clinical outputs.

• Oversee high-impact innovation and discovery projects for German energy providers, focusing on identifying and developing forward-looking product concepts.
• Improved user experience, increased operational efficiency, and simplified sales processes in the dynamic energy market by conceptualizing a digital platform.
• Explored new product ideas while positioning the company for growth and competitiveness in the rapidly evolving energy sector.

1000 Satellites (Coworking Space, Scale-up, 50–250 employees)

Support for a scale-up with up to 30 open positions, from defining job profiles and preparing offers through to negotiations