What this is all about

New Technologies are Re-Defining Our World

Berlin Digital Group –

Your Partner For Conquering The Digital World

What we can do for you

Our Comprehensive Suite of Offerings

Innovation + Transformation

Driving Successful Innovation

Driving Successful Innovation

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Expanding Your Reach<br/> 

Expanding Your Reach

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Optimizing Your Productivity<br/> 

Optimizing Your Productivity

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What's in for your

Working with us

What we focus on

Management Consulting + Venture Building

Navigating In The Digital World

Focus Areas

  • Financial Services
  • ICT Services
  • Media & Publishing
  • Payment Services
  • Digital Commerce & Crowd Services
  • Omnichannel Interaction
  • Smart Technologies/IoT

Value Proposition

Innovation + Transformation: We help our clients to better understand the Digital World and derive the best from it, e.g.

  • New products & services
  • Expanded reach
  • Customer involvement
  • Cost-efficient processes


  • Innovation Management
  • Business Design
  • Program Management
  • Venture Building
  • Launch Management
  • Process Optimization

Our Heritage:

Top Management Consulting, Senior Management Experience and Entrepreneurship

Who we are

Meet the Leadership Team

Dr. Diethard Bühler

Managing Partner, Berlin
Management Experience
25+ years of consulting experience, primarily in the TIME Sector

  • A.T. Kearney (Development & Practice Head of Comms & HighTech Practice in CE and USA)
  • Bain & Company (Head of Tech & Telecom Practice in Central Europe)
  • Arthur D. Little (mostly as MD Central Europe)
  • Professional start as attorney-at-law
Focus Areas
  • Launch Management & Market Introduction
  • Product Portfolio Development
  • Business Unit Development
  • Sales Efficiency & Effectivity
  • Change Management & Transformation

Dr. Winfried Graf

Managing Partner, Düsseldorf
Management Experience
25+ years experience in Wireless Industry as entrepreneur, top mgmt. consultant and senior manager

  • iLiga/Onefootball (Co-founder & CEO)
  • allMobility – MVNO Vodafone (Co-founder & CxO)
  • Apollis AG – Mobile Incubator McKinsey&Comp./ General Atlantic Partners (Member of the Board)
  • Ericsson Consulting (Practice Head Telecoms DACH)
  • Kienbaum Management Consultants (Division Head)
  • DFKI GmbH (Principal Researcher)
Focus Areas
  • Strategy & Business Development
  • Launch Management & Market Introduction
  • Venture Building & Start-up Management
  • Smart Infrastructure & Digital Crowd Services
  • Digital Commerce & Mobile Applications

Dr. Laurenz Kohlleppel

Associated Partner, Düsseldorf
Management Experience
30+ years experience in the Financial Industry as manager and board member in national/ international companies and institutions

  • Verband der Sparda-Banken e.V. (CEO)
  • Gesellschaft für Zahlungssysteme GZS (CEO)
  • Cirrus Inc., DEVK, Xchanging Transaction Bank and others (Member of the Supervisory Board)
  • Member of the Administrative Board and various Advisory Committees of the Cooperative Banking Sector
Focus Areas
  • Retail Banking & Payment Services
  • Transaction Banking
  • Strategy Development
  • Change Management & Process Design

Dr. Fred Schneidereit

Associated Partner, Berlin
Management Experience
25+ years of consulting experience, with a strong focus on Financial Institutions

  • A.T. Kearney (Practice Head Financial Institutions CE)
  • Roland Berger Strategy Consultants (Global Head Financial Services/ Information Management)
  • KPMG Consulting (Leadership team Financial Services Consulting)
Focus Areas
  • Strategy & Business Development
  • Go-to-market and Product Management
  • Innovation Management
  • Internationalization
  • Venture Building & Service Provider Set-up/Carve out

Dietrich Voigtländer

Associated Partner, Düsseldorf
Management Experience
30+ years experience in Banking and Financial Technology as manager, board member and entrepreneur with focus on strategy & business development and process optimization

  • WestLB AG and successor Portigon AG (CEO)
  • DZ BANK AG and predecessor banks (CIO+COO)
  • Chairman/Member of the Supervisory Board in diverse enterprises in the Cooperative Banking Sector and the Savings Banks Finance Group
  • Board Member in diverse associations in the Cooperative Banking Sector and the Savings Banks Finance Group
Focus Areas
  • Strategy & Business Development
  • Innovation Management
  • Venture Building; Mergers & Acquistions
  • Transformation Management & Restructuring

Emmanuel de Cazotte

Associated Partner, Paris
Management Experience
25+ years experience in Banking Technology, Payments, Internet, e-Commerce and Mobile Applications; 10+ years in management consulting, strategy development and M&A

  • Visa (General Manager France)
  • MasterCard (Senior Vice President, multinational accounts)
  • PegaSystems (EMEA Marketing Director Banking)
  • LemonWay (Non-executive Board Member)
Focus Areas
  • Strategy and Business Development
  • Payment Systems
  • Change Management
  • Mobile Banking
  • FinTech Disruptive Models

Christian Inderthal

Associated Partner, Berlin
Management Experience
25 years+ of working and consulting experience, primarily in the operations of service and professional services firms

  • Deutsche Bank (Corporate Banking and Project Finance; Nürnberg/Frankfurt/ London)
  • Treuhandanstalt (Head of Corporate Finance)
  • 2 International Strategy Consulting Boutiques (Theron Business Consulting and boardeleven Management Consultants) (Co-Founder & CEO)
  • FTI Consulting (Affiliate)
Focus Areas
  • Operational Effectiveness & Process Automation
  • Change Management
  • Internal Processes/Finance & Administration
  • Venture Building & Start up Management
  • Interim Management

Rolf Christian Kassel

Associated Partner, Berlin
Management Experience
20+ years experience in ICT and media industry as entrepreneur, managing partner, interims manager

  • Valuedfriends Deutschland GmbH (Managing Director)
  • FRÖBUS | MEDIA COLOGNE GROUP (interims Managing Director)
  • VVA Networks GmbH – part of VVA Media Group (Managing Partner)
  • E/B/D Networks GmbH, E/B/D Interpartners GmbH, E/B/D Integration GmbH – part of renowned branding agency E/B/D Interpartners (Managing Partner)
Focus Areas
  • New Business Development
  • Valuation & Business Modelling
  • Change Management
  • Digital Transformation & Internet of Things
  • Venture Building & Start-up Management

Armand de Milleville

Associated Partner, Paris
Management Experience
25+ years experience in Financial and Payment services on senior management level

  • Atos (Carte Bancaire/Visa/Mastercard SaaS, Head of Sales)
  • Atos (Cheque Processing Services, BU Director)
  • American Express (Pre-Paid products, Director France/ Middle-East/ Africa)
  • American Express (Merchant Network Services, Managing Director France and Netherlands)
  • Board Member of American Express Cartes France
Focus Areas
  • Payment Services and Retail Banking
  • Cards & Mobile Business Development
  • Sales Effectivenes
  • P&L Management, including Risk and Fraud
  • Innovation & Partnerships

What you should do

We look forward to challenging tasks – Let’s discuss it!