Product Design
& Strategy Lead

Design Leadership · Design Systems
Agentic Product Design

Portrait of Tommy Haacke

Product design and strategy lead with over 20 years of UX/UI design experience, connecting complex product requirements with clear interfaces and implementation. Experience across enterprise platforms, B2B software and consumer applications for companies including ZEISS, BMW and MediaMarktSaturn. Responsibility for client projects, design direction and delivery, combining the leadership of designers with hands-on product work.

Current focus: Agentic Product Design — connecting product design and development through design systems, reusable UI components, automation and AI-assisted workflows. Bringing design decisions closer to working product interfaces. Teaching, coaching and speaking extend this work to product teams, students and founders.

Independent client work since 2012. Founder of userdoo since 2023.

Jan 2023–present

userdoo

Founder & Principal UX Consultant

Independent design practice

Founded and leads userdoo, with responsibility for client communication, project delivery, design decisions and the direction of designers. Combines hands-on product design with leadership across B2B platforms, consumer applications and digital services.

Client work covers product structure, navigation, onboarding and complex workflows, from early concepts to detailed interfaces and reusable design systems. Works closely with product and engineering teams to connect design decisions with implementation.

May 2025–Jun 2026

ZEISS Vision Care

UX Design Lead / Senior Product Designer

Freelance

For MyoConsult, I worked on established patient and consultation journeys, including information architecture, navigation, prototypes and detailed interface behaviour.

For Vision Shop / OCS Marketplace, designed connected journeys through frame and lens selection, prescription entry, provider selection, basket and checkout. The scope combined detailed interface work with the structure of longer, interdependent user journeys.

Founded Nov 2021

poolinq

Co-Founder & Principal Designer

Co-founded poolinq and built its design from the ground up across multiple product touchpoints. The product connects wine inventory with everyday operational tasks, including incoming stock, documents and reporting. Work spans information architecture, interface design and reusable components in collaboration with development.

Desktop, tablet and mobile designs address inventory views and operational information. Recent product work includes AI-assisted document capture, connecting the handling of incoming documents with the wider inventory workflow.

2020–Dec 2025

ZEISS Digital Partners

Lead UX / Lead UXD

Freelance

UX design across shared digital services used by different ZEISS businesses. Translated business requirements, user needs and technical constraints into information architecture, interface behaviour and implementation guidance, working with product owners and development teams.

Improved the established ZEISS ID experience and joined the platform redevelopment at its outset as its sole UX designer, with other designers joining later. The work connected identity journeys, account experience and platform administration across users and application teams.

For ZEISS.com, reviewed and consolidated the wider page structure, including merging or removing pages. Segment Routing was a central component within that work, connecting the business verticals directly below the homepage stage. Extensive alignment across business units accompanied the design. Further work included testing, portal concepts, design-system adoption and DesignOps.

Earlier experience 1998–2023

2020–Aug 2023

GWQ ServicePlus

Lead UX

Freelance

Led UX for patient-oriented access to medical-aid information and service providers. Translated business requirements and patient needs into the information architecture and responsive interfaces for hello Hilfsmittel, alongside a white-label concept for different organisations.

Worked through interface behaviour against the technical scope and prepared design guidance for development. The engagement also included an identity workshop, logo and brand style guide, connecting the service structure with a consistent visual language.

Apr 2022

proliance

UX project, Mid-Market P360

External

Developed the UX concept for the Mid-Market experience in P360, working from existing wireframes and flows. The scope covered the overall flow, a UI library and mockups of the core screens using proliance's design guidelines.

Connected the screens into an InVision click-through prototype intended for user validation. This made the proposed journeys available as a navigable experience for concept review and feedback.

2017–2021

Ray Sono

UX Consultant / Designer

Freelance, client assignments

UX consulting and hands-on design across separate client assignments in logistics, mobility, consumer experiences and healthcare. Work connected user flows and screen concepts with interaction details, specifications and coordination with product owners, developers and stakeholders.

Client projects
  • LEGO · 2020–2021. Seasonal digital experiences: Christmas activation, Easter/summer concepts and screen-level coordination. Christmas work in November 2020 and Easter/summer concepts in March 2021; a further summer phase was commissioned for April–June 2021.
  • Paul Hartmann · July–August 2020. UX design in the app context.
  • Deutsche Bahn · October 2017. Travel-plan and ETA sharing, maps and mobility flows in the Vendo/VUX context. Screenflows, assets and coordination with development and stakeholders.
  • RIO / MAN · January–October 2017. Responsible for UX concepts and specifications for Connect and Order: communication and order management for drivers and dispatchers. Explored users' routines and workarounds, then developed flows, wireframes, interaction details and micro-animation with the product owner and lead UX designer. Coordinated with the wider UX team and specified the work in Jira.

Jul–Sep 2020

Plan.Net / HypoVereinsbank

Senior UX Consultant

Freelance

Designed account-opening and financial-calculator experiences for HypoVereinsbank through Plan.Net. Reviewed the Plus Konto journey, developed solution concepts and prepared screens for client discussion.

For savings-plan, savings-goal, withdrawal-plan and purchasing-power calculators, structured the journey into understandable dialogue steps and editable results. Defined chart requirements, page layouts, modules and component behaviour, including interaction and animation guidance. Delivered wireframes and Confluence specifications and coordinated the handover with the UX lead.

Jan 2019–Mar 2020

ZEISS Microscopy

Senior UX Consultant

Freelance

Designed scientific workflows for ZEISS light-microscopy software, including a shared user interface and the Tiles and Positions modules. Analysed customer journeys and key interaction points around users' tasks and experiments, translating them into concepts for digital workflows.

Developed interaction designs, prototypes, specifications and assets in close collaboration with engineering. The work connected the needs of scientific users with detailed software behaviour and implementation, alongside a broader view of ZEISS' and its customers' digital workflows.

Sep 2017–Dec 2018

MediaMarktSaturn

Senior UX Consultant

Freelance

Product and interaction design for the MediaMarkt and Saturn mobile apps, with substantial work on the homepage and search experience as well as their connection to in-store shopping. Conducted and evaluated user interviews, prepared competitive analyses for app and search teams, and presented findings with proposed next steps.

Developed iOS and Android prototypes, interface flows and interaction documentation. Supported product owners with user stories and worked with other product teams, the brand agency and developers on specifications, assets and implementation within Scrum teams.

Jan–Dec 2016

MediaMarktSaturn

Senior UX Consultant

Freelance

Developed app concepts connecting digital services with customers' visits to MediaMarkt and Saturn stores. Researched multichannel experiences, interviewed customers in stores and facilitated value-proposition design workshops with the product team.

Translated this work into interaction concepts and visual designs in coordination with the brand agency. Prepared interface specifications and assets for implementation by the sprint teams.

Jun–Dec 2015

Die Mobiliar

Senior UX Consultant / Usability Manager

Temporary assignment via bbv / Michael Bailey Associates

Worked on the digitisation of insurance advisory and sales workflows in FIT Vertrieb. Analysed insurance products and broke complex processes into manageable user tasks, supported by interviews, personas and usage scenarios.

Developed concepts, prototypes and specifications alongside a UX team working across Scrum teams. Close stakeholder coordination connected the advisory context and product requirements with the details needed for implementation.

Aug 2014–Mar 2015

BMW / Geniux Consulting

UX Consultant

Freelance

Designed parts of BMW's digital sales platform USP, including sales-process overviews, search, young used cars and vehicle handover. Developed concepts with product owners and one or more Scrum teams, working closely with developers on interface behaviour.

Defined a platform UI style guide and contributed concepts and presentations for the user-testing environment. The work combined individual sales tasks with consistency across the wider platform.

Aug 2014

Burda Intermedia

UX Consultant

Freelance

Contributed interface and interaction design for digital publishing, with work on information architecture and visual design. Developed corporate-design and style-guide material alongside the interface concepts.

Jun–Aug 2014

gutefrage.net

UX Consultant

Freelance

Redesigned navigation and search for a platform whose structure had evolved over several years. The work addressed both the overall information architecture and the core ways users found content.

Improved website templates and designed a new B2B area aimed at business partners, adapting its content and interface to their needs.

Nov 2013–Aug 2014

intelliAd

UX & Interface Designer

Freelance

Modernised the product interface and developed UX concepts for new modules and features. Established a design concept, style guides, a pattern and interaction library, and information-architecture rules to give the platform a more consistent foundation.

Combined detailed UI work with reusable patterns that could be applied across the product.

May 2013–Jun 2014

FOCUS Online

UX Consultant

Freelance

Designed news experiences for iPhone, Android and iPad, alongside improvements to the FOCUS Online website. Interviewed stakeholders before developing app concepts and established regular user interviews as part of the design work.

Worked with internal and external stakeholders and a nearshore development team, helping establish how UX contributed within the product team. Also supported the recruitment of UX staff.

Mar–May 2013

Allianz Private Krankenversicherung

UX Consultant

Freelance via SinnerSchrader

Analysed digital insurance-contract flows and users' needs and common questions. Structured long processes into smaller, meaningful steps and developed the resulting information architecture and user flows.

Created wireframes and a prototype for testing, refining the concepts in close coordination with stakeholders through SinnerSchrader.

Feb–May 2013

ShopLove

UX Consultant

Freelance

Led UX for a startup with a small development team, working on registration, sizing, navigation, filters and product views. Interviewed shoppers and used prototypes for guerrilla user testing as well as development specifications.

Extended the existing iPad app concepts and worked on the move towards iPhone and web services. Introduced UX practices into the team and developed new features as MVP concepts for iteration.

Oct–Nov 2012

Euromaster

Usability Research

Freelance

Evaluated the customer journey through workshop search, tyre replacement and online booking. Synthesised usability findings to inform further website and concept development, focusing on how customers moved through the service-booking process.

Jun 2012

ProSiebenSat.1

UX / Landing-page Design

Freelance

Developed landing-page concepts and designs in the Maxymiser project context. The assignment focused on the page experience and its visual presentation.

Dec 2008–May 2012

FriendScout24

User Experience Manager

Developed existing FriendScout24 features and helped the product team create a separate casual-dating service, from initial business goals through product design. Work included competitive analysis, personas, mobile-web and app prototypes, and the planning, execution and evaluation of user tests in the Scout Lab.

Prepared specifications and supported development teams, including offshore teams, across implementation. Coordinated with other Scout24 UX teams and created FriendScout24 style guides with the group organisation.

2004–May 2012

Independent Digital Designer

Designed websites and digital applications for small and medium-sized businesses. Combined concept development and visual design with CMS work and HTML implementation, covering both the interface and its technical realisation.

Apr 2012

Beiersdorf

Digital Experience Design Pilot

Project contribution

Contributed to a digital-experience pilot for media management and a press portal. Work included personas, interface research, navigation concepts and wireframes, with exploration of a tile-based navigation approach.

Until 2008

Auto Europe

Web Designer

Designed web interfaces and implemented them in HTML, alongside concepts for digital services. Planned and coordinated newsletters and helped ensure the quality of content produced by content managers.

Provided second-level support and advice for internal applications and organised training for colleagues using those systems.

2001–2003

Microsoft

Licensing Specialist

Advised customers on licensing solutions and benefits suited to their requirements. Responsibilities also included quality and status reporting, plus support and training for new team members.

1998–2001

FTI Touristik / Caoba

Transfer Manager

Managed transfer logistics and resource planning in the Dominican Republic. Coordinated transfer buses and airport check-in operations, connecting staff deployment with day-to-day transport requirements.

  • Design leadership & delivery: Client communication, design decisions, direction of designers and responsibility for delivering agreed project work.
  • Complex product experiences: Information architecture and interaction design for identity, administration, commerce and data-intensive applications.
  • Design systems & UI development: Reusable components, interaction patterns and interface states; connecting design work with frontend implementation through automation and AI-assisted workflows.
  • Research & collaboration: Interviews, concept development and testing in close collaboration with product, engineering and stakeholders.

Experience sharing design practice across higher education, product teams and founder programmes. The work includes sustained coaching, university teaching, workshops and company talks.

Digital Product School / UnternehmerTUM · 2023

External UXD / Interaction Design Coach & Mentor. Coaching and sparring for product teams, feedback on concepts and interaction design, and workshops on design thinking, Lean UX and agile product development.

Technische Hochschule Ingolstadt · 2020/21 and 2022

Lecturer, co-teaching with Rémi. Digital Services in the MediaMarktSaturn context and Speculative Design / Future Scouting, guiding students through research, ideation, concept development and evaluation.

Founder workshops & company talks

Workshop development and delivery for MAX!mize / Max-Planck-Innovation and TUM Venture Labs, covering product development, early validation and UI/UX design thinking. Additional speaking engagements for Allianz. Product-landscape workshop for CITRO Digital Solutions.