Partners for Change

Through our entrepreneurial spirit and strategic thinking, zeb has established itself as one of the leading strategy and management consultancy in the financial services industry in Europe to date. With us, our clients are addressing pressing issues arising from the industry’s changing dynamics and regulatory requirements. Together we face the only constant — change.

zeb among top 3 consultancies
zeb started life as a spin-off from Münster University. It is one of the biggest financial advisers in the country today. The magazine Brandeins covered our growth story in its latest issue. Get the pdf with all insights here:

International Report
We invite you to take a closer look at some of zeb´s consulting assignments across Europe - with case studies from Poland to Italy, Austria to Russia, Germany to Sweden.

Arnd Heßeler

Arnd Heßeler

Executive Manager

Arnd Heßeler is the head of zeb´s office in Luxembourg and is a member of two of zeb’s practice groups—“Private Banking, Asset and Wealth Management” and “Capital Markets and Securities Processing”. His experience of more than three decades in the financial services industry extends across corporate and private banking with senior management responsibilities in Europe and Latin America.

Andreas Rinker

Andreas Rinker

Founding Partner

Andreas Rinker, who can look back on more than 30 years of experience in banking and consulting altogether, co-founded zeb in 1992 and has been a member of the management board of the zeb group for 15 years. He is an expert in strategy, organization / IT transformation and risk management topics in retail banking, private banking / wealth management and corporate banking.

Volker Sielaff

Volker Sielaff

Senior Manager – Finance

Volker Sielaff consults clients on strategic finance issues leveraging his comprehensive knowledge of bank management. After stints at zeb in Germany and Switzerland, he is now a member of zeb’s Luxembourg client team.

Who we are....

We are partners for change.
We focus on what matters to our clients in the financial services industry – our goal is to improve their performance and competitive strength. We support and work closely with our clients’ decision makers, employees and stakeholders at every stage of the project – from conceptual design, creatively tailoring ideas to innovative strategies based on robust quantitative analyses for effective and thorough implementation.


We tap into our long-standing in-depth expertise in the fields of financial services strategy, sales, organisation, corporate management, human capital, regulation and IT.
We have the full spectrum of opportunities and challenges in today's financial services industry firmly in our sight. From this, we create forward looking, sustainable value for and with our clients. zeb: that's 360° management consultancy – every day, every challenge, every opportunity, every client.