“Thanks for the thought provoking input”
Prof. Dr. Birgit Mager, President
“gannaca has deep insight into the NextGen culture and market demands”
Daniel Sauerzapf, Management Private Clients
“Creative and practical advice that we immediately transferred – great support”
Wolfgang Pott, Head of Corporate Communications
“gannaca assessment of our digital maturity level leaves me very thoughtful. I now see many levers more than before”
Randolph Kempcke, Managing Partner
“This really is visionary thinking – without the box”
Youssef Nassef, Climate Adaption Director
“gannaca has an impressive track record in understanding the digital transformation”
“gannaca sees the big picture – and supports practical, sustainable solutions”
Kai Landwehr, Marketing Manager
“Top-nodge knowledge on future media developments”
Stefanie Kemper, Managing Director
“Without gannaca we would not be as successful as we are today”
Henrik Kersen, Managing Partner
“gannaca delivers consequently from vision to concept to execution”
Andreas Wolf, Head of Business Development
“Pricey – and worth every penny”
Helmut Gawlik, CEO
“gannaca brings out qualities in leaders that I have seen no one else identify”
Ben Ward, CEO
“Thanks to gannaca, we now understand the true power of data-driveness”
Dr. Thorsten Volz, Managing Partner
“gannaca is a strategic advisory that genuinely understands the power of art”
Alain Bieber, Artistic Director
“gannaca delivers actionable insight instead of marketing buzzword bingo”
Dr. Hans-Heinrich Kleuker, CEO
“At gannaca outstanding vision goes hand in hand with measurable traction”
Leonhard Zintl, CEO
“gannaca pairs strategic foresight with empathetic guidance – striking”
Pia-Angela Kemper, Head of Finance & Business Extras
“gannaca? Ahead of our time’s spirit and yet fundamentally rooted in business practice”
Sven Scheurer, Managing Partner
“gannaca successfully implanted an innovation cell within our corporation”
Björn Christmann, Managing Director
“gannaca consulting has made a true difference”
Peter Stocker, Chairman of the Board
“Exactly the electrifying impulse that we had asked for”
Dieter Hofmann, Managing Director
“gannaca understands innovation as business – not as art”
Jan A. W. Schneider, Managing Partner
“The collaboration with burda was characterized by great courage for radical, fresh formats”
“gannaca has a wonderful way of combining business and culture”
Stephan Kovats
“Fantastic work”
Volker Selle, CEO Germany
“Precise, on time – high-end”
Angelika Lübben, Brand Communication & PR Manager
“We needed radical ideas – they delivered”
Ulrich Kerber, Member of the Board
“Useful advise – Champions League”
Judith von der Ohe, Partner Germany
“I knew I’d get exactly what I expected”
Claudia Ercy Lippmann, Director xs living concepts
“gannaca: Truly lateral thinking”
Susan Davis, Marketing & Communications Specialist
“gannaca translates access the frontier line in digital innovation”
Marlo Köhler, Key Clients – Next Generation
“Reliably one of the best sources for future insight”
Ekkehardt Gerlach, Managing Director
“Met the target 100%”
Nicolas Martin, Moderator
“We’ve benefited strongly from working with gannaca; especially because we’ve seen creative+smart combinations rather than expensive”
Christina Käßhöfer, Head of Marketing
“Bold, daring and aesthetically top-notch content ideas”
Oliver Prange, Publisher
“Design Thinking to perfection”
Rolf-Hendrik Ahrens, Director of Marketing & E-Business
“At the forefront of change and innovation culture”
Sven-Oliver Pink, Managing Partner
“Daring, professional, skillful”
Franc Arnold, Managing Director
“gannaca thinks big and delivers on it”
Prof. Dr. Ludger Hovestadt, DARCH ITA CAAD
“Innovation strategy entirely rethought”
Prof. Dr. Diane Robers, Professorship of Management Practice, Research Director Entrepreneurship
“This is the line of thinking that we need to successfully transform our business models”
Prof. Marc Bettzüge, Chairman of the Management Board
“Value driven, profound and actionable advice”
Marc-Sven Mengis, Head of the Advisory Board
“Thanks for the great inspiration”
Jutta Vo Quang, Global Key Accounts
“Their international perspective is unique and very valuable”
Dr. Sebastian Pranz, Publisher
“With gannaca one can really tap into the future – today”
Dr. Andreas Blühm, Director
“A living example of meaningful, modern consulting culture”
Jürgen Degen, TC-Producer
“Radically open and yet diplomatically enough to match corporate culture”
Frank Wagemann, Senior Relationship Manager
“gannaca has a very good feel for trends in the real estate industry and delivers surprisingly concrete solutions to them – before everyone knows it”
Robert Bambach, CEO
“Stimulating, smart and exactly what our members need to hear”
André Olveira, Head of Division Innovation und Environment
“Truly impressive strategic creativity”
Jens Fabian Herdieckerhoff, Marketing Director
“Continuously for years gannaca stays on top of my list when it comes to innovation strategy”
Steffen Jüstel, Managing Director, LBBW Real Estate
“Genuine thought leadership on the digital age”
Wolfgang Brüser, Communications Director
“With gannaca, we have unerringly developed top contacts in Germany”
Morten Brandt, CEO
“Fast & impactful – exactly what we need”
Ulf Adebahr, CIO Electronics Online Group
“gannaca is a think tank we’re proud to have in this city”
Konrad Peschen, Media Department City of Cologne
“gannaca truly is digitally native”
Eyske Janßen, Marketing Manager
“Time and time again I´m surprised by their foresight”
Ulrike Köhler, Vice President and General Manager at Nike Germany, Austria and Switzerland
“A very meaningful mix of rare insight, smart strategy and personal unpretentiousness”
Manuela Ehresmann, Head of Marketing /PR / Information
“Extremely quick, on the point and highly creative”
Daniel Stuckert, Head of Global Media & Corporate Communications
“gannaca seems to be on very good terms with the zeitgeist – great work!”
Silvia Schweigart, Head of Marketing
“You promised magic – and you delivered”
Tuomas Rantsi, Project Developer
“We had been looking for this deep understanding of our issues and the creative lead necessary to execute it accordingly for a while – gannaca simply listened to us and delivered exactly what we asked for perfectly in time”
Dr. Reto Schneider, Head of Emerging Risk Management
“gannaca has not only the ideas but the proper instruments to help putting them into practice”
Andreas Breitsprecher, Communications Director
“Strategically a visionary – practically a reliable advisor”
Dr. Erik Massmann, ENAAA Ventures
“You impressively contributed to the digital era’s introduction at Züblin”
Dr. Norbert Pralle, Divisional Director Development and Innovation, Central Technology
“Very useful insight into the digital transformation”
Heike Wilms
“Top cooperation – trusting, personal, competent”
Gregor Neuhäuser, Head of Düsseldorf Office
“Whenever we need profound forecasts on our topics, I like to get in touch with gannaca”
Ekkehart Gerlach, Managing Director German ICT + Media Academy
“Thought leadership on digital humanism at its best”
Sandra Trautmann, Senior Event & Marketing Manager
“gannaca finds a way where others see obstacles”
Gerhard Müller, Wirtschaftsprüfer
“This collaboration surely is of crucial strategic importance to our future success”
Dr. Markus Steinhauser, CEO
“Pleasant combination of meticulousness & dynamics – very professional”
Markus Kiefer, Leiter Unternehmenskommunikation
“The success of the cooperation in the form of umpteen new members speaks for itself”
Günther Wolgemuth, Member of the Executive Board
“There is hardly anyone as serious about substantial, bold programme claims than Christopher with his team at gannaca”
Rudolf D. Hilti, Founder
“gannaca founder Christopher Peterka is a great asset to our teaching”
Prof. Dr. Stefanie Fiege, Vice President Teaching at XU Exponential University of Applied Sciences
“gannaca has opened up Crypto-Valley to us in a depth that has impressed me very much”
Prof. Dr. Alexander Knauer, Digital Business & E-Entrepreneurship at University of Applied Sciences Mittweida
“gannaca delivers unique innovation formats at a very fast pace”
Benjamin Zeitler, Managing Partner
“Even the consulting itself has a modernizing effect. We are making very good progress”
Dr. Ralf Hammecke, Director of Operations
“Personal, practical and effective – worth every euro”
Stefan Sauerzapf, CEO
“The language alone makes a big difference: our customers suddenly understand better what system change might mean”
Paolo Anania, CEO
“Peterka to me is the man who sees things early – great foresight, very fruitful advice”
Nihat Arkanihat, CEO
“We get decisive impulses from gannaca about possible future developments our executives”
Marcus Kaller, Vorstand Strabag AG Köln
“We were able to directly upscale our innovation management from 2.0 to 4.0 with gannaca”
Dr. Dina Franzen-Paustenbach
for Hardenberg Distillery
for PSI Sustainability Awards 2022
“Extremely cool performance – we were very happy”
Simone Ulmer, Partner