Dr. Thomas Greussing Advisor · Interim Executive · Growth & Transformation Partner

Transforming businesses for the AI era.

What I do

Executive advisory, interim leadership and transformation for growth, marketing and e-commerce.

At the intersection of brand, commerce, data and AI — from strategic direction to accountable execution.

See how I can support
Dr. Thomas Greussing presenting on the OMR stage in Hamburg
OMR · Hamburg Applied AI & personalized growth

Growth is built at the intersection of brand, commerce, data and AI.

The advantage comes from connecting brand strategy, marketing, customer experience, e-commerce, data and technology in one commercial system.

01

Direction

Set the growth ambition, brand position and commercial priorities.

02

Connection

Connect brand, performance marketing, e-commerce, CRM, data and AI.

03

Execution

Translate the agenda into ownership, operating cadence and measurable results.

When growth needs clarity — and momentum.

GREUSSING ADVISORY enters at commercial inflection points: when established answers no longer fit, leadership attention is constrained, or execution has lost traction.

01

Marketing and e-commerce are not moving as one system.

Brand, demand generation, proposition, channels, data and conversion follow separate agendas.

02

Growth is weakening — and the commercial model needs a reset.

Customer demand, pricing, experience and retention need to be diagnosed and improved end to end.

03

A critical agenda needs senior leadership now.

A transition, turnaround or build phase requires experienced line responsibility without a long ramp-up.

One partner. Three levels of involvement.

The role follows the business need — from confidential C-suite sparring to interim commercial leadership and end-to-end growth transformation.

01Sparring

Advisor

Senior counsel for owners, boards and C-suite leaders facing critical choices in growth, marketing, commerce, data and AI.

  • Growth strategy and commercial priorities
  • Marketing, e-commerce and AI agenda
  • Governance, roadmap and executive alignment

Outcome Clear decisions. Focused action. Fewer detours.

02Leadership

Interim Executive

Immediate line responsibility when a marketing, e-commerce or broader commercial agenda cannot wait.

  • Executive ownership from day one
  • Marketing, commerce and transformation leadership
  • Operational cadence and measurable delivery

Outcome Stability, momentum and accountable execution.

03Transformation

Transformation Partner

Hands-on partnership to redesign and connect the commercial system — from diagnosis through implementation.

  • Brand, demand and commerce architecture
  • Data, AI and operating model enablement
  • Pilots, scale-up and value realization

Outcome Change that works beyond the presentation.

Where growth becomes an operating system.

Brand, marketing, commerce, data and AI are not separate agendas. The work connects them around customer value and measurable growth.

01

Brand, marketing & demand

Positioning, brand strategy and an integrated demand system across brand, performance, content and channels.

02

E-commerce & customer value

Proposition, pricing, experience, conversion, CRM and retention — managed as one commercial system.

03

Data, AI & marketing technology

Data strategy, AI use cases, MarTech and governance — selected and scaled around commercial value, not novelty.

04

Commercial organization & operating model

Mandates, roles, processes, partners and decision rhythms that connect marketing, commerce and technology.

05

Portfolio & go-to-market

Sharper choices across customers, propositions, channels and markets — with a clear path to value.

Dr. Thomas Greussing in an executive panel discussion
Strategy is only credible when it survives contact with operations.

Dr. Thomas Greussing

Marketing depth. Executive perspective.

More than 25 years of executive responsibility across marketing, sales, e-commerce, digital business and transformation.

Thomas combines the perspective of a C-level marketing and digital commerce operator with a founder’s bias for implementation. He has led brand, marketing, sales and e-commerce organizations across consumer, retail, technology and platform environments.

The approach is direct, analytical and low-ego: understand the whole system, make the few choices that matter and stay close enough to execution to create real change.

Selected environments

LENOVO · MEDION · VERIVOX · MICROSOFT · BAT · HENKEL

25+years across marketing, commerce and transformation
C-levelmarketing and digital commerce leadership
Cross-sectorconsumer · commerce · tech · platforms

The working model

Quietly rigorous. Close to the business.

  1. 01

    See the system

    Market, brand, customer and economics before isolated channel symptoms.

  2. 02

    Set direction

    Make choices across brand, demand, commerce, data and AI.

  3. 03

    Mobilize

    Align marketing, sales, product, technology and partners around clear ownership and pace.

  4. 04

    Deliver & transfer

    Create measurable growth — and leave the organization stronger than before.

Growth · Marketing · E-commerce · AI

Germany / International

A confidential first conversation

Let’s discuss what the business needs next.