Clients & Testimonials

It´s not easy to find the right keynote speaker for you next event. Of course, he has to be brilliant on stage. But he also needs to have expertise, to be able to wow the audience and to tailor his speech exactly for your needs. And who could judge all these points better than the people, who have actually seen the speaker live?

An old marketing quote goes something like this: „Happy customers are the best advertising you can get.“ And it hits the nail on the head. On this page, you´ll find testimonials, statements of happy customers and clients who hired Ilja Grzeskowitz as a keynote speaker or change consultant for company meetings, association conferences or change programs.

A – G

3M Deutschland GmbH 7S Group abbvie Deutschland AOK Plus - Die Gesundheitskasse Advico Unternehmensberatung AG Advico Akademie UG Audi AG Ayer Hörakustik GmbH Bayer AG Belcando Dog Food Bestseller A/S Best of Vertrieb Bewital Unternehmensgruppe BIT.Group GmbH BITZER Kühlmaschinen GmbH BMW Switzerland BMW Switzerland Financial Services BNI Steiermark Bolton Adhesives Braun GmbH Campus02 Graz Capri Sun Continental Automotive Dagema Export GmbH Daimler AG Datev eG Deutsche Lufthansa AG Deutsche Messe AG Deutsche Telekom GmbH Diqua Corporation DFTA Flexodruck Fachverband e.V. Dymatrix Consulting GmbH Edwork GmbH & Co. KG EK / servicegroup Elite Facilities GmbH & Co. KG ELO Digital Office GmbH Ensinger GmbH Expert Electronics Fachverband für Hotellerie und Gastro FBMA e.V. Fischer Automobile GmbH & Co. KG Förderverein Primärbanken Austria Forum Zukunft Winter Österreich FujitsuNext e.V. GD Holzhandel e.V. gemba Austria German Council of Shopping Centers German Keynote Speakers Getrag International GmbH Global PETS Forum


H – O

Hectas Facility Services & Co. KG Hella KGaA HWR Berlin (Hochschule) HSH Nordbank Hugendubel GmbH Hypovereinsbank IKEA Deutschland GmbH & Co. KG Integration durch Kunst e.V. Itelligence AG Jocoon GmbH Jack & Jones D/A/CH Janssen-Cilag Kabel Baden Württemberg Kampmann GmbH Karstadt Warenhaus GmbH KaDeWe Berlin Kasseler Sparkasse KF Andersen Leadership Academy Konradin Mediengruppe Küchenhaus Ehrig Kongresszentrum Altötting Lapp Holding AG Lapp Holding Asia Pte Ltd Lohmann und Rauscher Ludwig Bertram GmbH Lufthansa EMEA Region Leib Malerei GmbH LBS Saarland Lehmanns Media Linde Material Handling Löwen Physio Malereibetrieb Kind GmbH Management Circle AG medl GmbH Mercedes-Benz MERKUR Handelswaren AG Messe Personal Nord Messe Personal Süd Messe Frankfurt Messe Hannover Nespresso Netto Supermark GmbH Netzwerk Winter Östereich Nibe Systemtechnik GmbH Ostdeutscher Sparkassenverband Oberfinanzdirektion Hessen ONLY Omnicom Media Group Germany Oskar Patzelt Stiftung

P – Z

Paperworld Academy Pentax Medical Procme GmbH Procter & Gamble Provinzial Rheinland Versicherung GmbH R+W Antriebselemente AG rbt ringana Austria repecon Medienkonzeption Rohde & Schwarz GmbH & Co. KG Rhenus AG & Co. KG RWE AG Sanivita Group Germany Schmachtl GmbH SRH Hochschule Berlin SIP Personalservice GmbH Stadtmarketing Bergneustadt Stadtwerke Lutherstadt Wittenberg GmbH Sparkasse Ingolstadt Sparkassenversicherung Stegmann Personaldienstleistung Takeda Pharma GmbH Tetra Pak GmbH & Co. KG Theater 11 Bremen Tobit Software GmbH Top 250 Tagungshotels Tres Hombres GmbH Unicredit Bank AG Unternehmerverband Mülheim a.d.Ruhr Vario Drive Netherlands Vero Moda Vokdams Eventagentur Vulcano GmbH & Co. KG WEBASTO SE Weber Maschinenbau GmbH Wendweb GmbH Wertheim am Kurfürstendamm Berlin Willenbrock Holding GmbH Wirtschaftjunioren Deutschland WoMen Power Kongress Zalando Zukunft Personal Messe


It was a lot of fun working with Mr. Grzeskowitz. Thank you very much for the inspiring and outstanding Keynote Speech. Grzeskowitz has inspired us with his charming and very likeable personality. With real life storytelling, heart and humor, he showed us how to be able to deal with change. A great speaker who we are very pleased to recommend.
Sonia Wedell-Castellano
Sales Director / Deutsche Messe AG
Ilja Grzeskowitz has implemented the Change-DNA into the audience. Our 400 Guest were very much inspired by his outstanding Keynote Speech. The combination of strong content and his entertaining presentation style was the reason, that every single guest had the desire to change and could take away specific ideas for his daily business.
Dr. Jürgen Wigger
CEO / BEWITAL petfood GmbH & Co. KG
Ilja Grzeskowitz was the Keynote Speaker for our BMW Financial Services Partner Event and we were very pleased with our choice. Working with him was extremely professional und pleasant. Not only is he a true change expert, but he also customized his speech to specific challenges of our industry. With his fascinating and humorous presentation, Mr. Grzeskowitz has definitely moved and inspired our guests. Dear Ilja, may we say thank you very much, once again. We wish you all the best and are very happy with our choice.
Roger Muhr & Martina Merki
Marketing Director / BMW Financial Services Schweiz
Changes start in the head. For ninety very inspiring minutes, Ilja Grzeskowitz has shown us, how to create the necessary mindset.
Theodor Micklinghoff
Sales Director B2B / Telekom Deutschland GmbH
Thank you so much for your passionate presentation on our Business Conference. You really rocked the event, the feedback on your keynote speech was very good. With you unique humor and a can-do-attitude, you fascinated the audience. Every single guest received valuable tools for the daily business.
Bettina Höner
Regional Manager Marketing / EK/servicegroup
Ilja Grzeskowitz is a true “Top Speaker”. He makes his audience take action: He changes, he motivates and he encourages to make a change. In this spirit: #OhYeah, Grzeskowitz!
Christian Wewezow
Managing Partner & Federal President Wirtschaftsjunioren 2014 / Clockwise Consulting
With his authentic and energetic keynote speech, Ilja Grzeskowitz has challenged our leaders to think different, make a change and use the new tools in the daily business: Leave their comfort zone, take a chance and be a role model. Oh Yeah!
Jürgen Roßberg
Financial President Hessen / Oberfinanzdirektion Hessen
Here is our Feedback: The presentation was: 1) Very valuable: Everyone learned something new. 2) Specific: Customized to our current situation. 3) Important: It was really great that you had an external view on our challenges. 4) Worldclass: Your Keynote Speech was awesome.
Reinhard Kleber
Regional Manager Bavaria / Hypovereinsbank / Unicredit
Change – it´s the attitude that decides if we succeed or not. Thank you so much for your great presentation!
Bernd Eckl
Executive Vice President Sales, Marketing, Business Development & Corporate Communications / Getrag International GmbH
It was an awesome presentation at the Wirtschaftsjunioren Association meeting in January 2015. With lots of charme, Humor and his unique delivery stlye, Ilja Grzeskowitz had inspired the audience to think different and change actively. We are fascinated and full of motivation we shout out: “Oh Yeah!”
Daniel Senf
Federal President / Wirtschaftsjunioren Deutschland
Thank your for your excellent speech. The presentation and the content were great and it was never boring, but very entertaining. After turning back to turkey, the first thing i did was to show my team the notes i took during your keynote. Your ideas are very valuable in a market that changes rapidly.
A. Yekta Kölemenoglu
President / Neta Ltd., Istanbul Turkey
With his authentic and great Keynote Speech, Ilja Grzeskowitz made a difference at our sales conference: Make Change Happen. A big compliment and thank you very much.
Michael Papenberg
Sales Manager / Provinzial Rheinland Versicherung AG
Dear Ilja, Thank you so much for you energetic, inspiring and fascinating keynote at our sales conference in Bangkok. All of our co-workers are still talking about TNT and #OhYeah! We are very happy, how much you motivated every single one of us.
Alexander Lapp
Manager Strategy & Processes Asia Pacific / Lapp Holding
Thank you so much for your awesome change presentation at our international sales conference. Your Keynote Speech was powerful and humorous, so that the sixty minutes felt like ten. With your emotional storytelling and specific content you inspired us all and left your mark on us!
Kai Kowalewsky
Director Materials Management / BITZER Kühlmaschinenbau GmbH
Thank you for that awesome and motivating change show. It was so good, to hear you speak at our sold out venue. And thank you for your generous donation as well. The children are very happy. We look forward to welcome you again, Ilja.
Kira Petrov
President / Integration durch Kunst e.V.
The hotel industry is facing lots of changes. Therefore, the keynote speech from Ilja Grzeskowitz was the perfect ending of our conference. Every single attendee got lots of new ideas, specific tools and the courage to implement them as well.
Reinhard Peter
CEO / Top 250 Tagungshotels / re|pe|con
Authentic, inspiring, awesome. With humor and strong messages, Ilja Grzeskowitz has rocked the change program at our University. A worldclass keynote speaker.
Thomas Heinrich Musiolik
Brand Futurist | Lecturer / SRH Hochschule Berlin
There are people who talk. And there are people, who really have something to say. You, Mr. Grzeskowitz, definitely belong to the second category.
Dirk Hoffmann
CEO / LBS Saar
Your presentation was perfect for or conference. You gave the audience lot of valuable ideas and specific steps on how to implement them. Very usable for our partners.
Thomas Ritter
CEO / Ludwig Bertram GmbH/Russka
The presentation was the perfect fit for our current situation. It was full of deep content, yet very entertaining. You hit the nail on the head and inspired our partners to think different and take action. In short: Your speech was awesome!
Berthold Gassmann
CEO / Dagema eG
You know what change is all about, when you listen to the real life experiences of this great keynote speaker. To hear Ilja Grzeskowitz speak energizes and inspires.
Dr. Heike Schiffler
CMO / Tetra Pak GmbH & Co KG
With lots of charme, and in a cool and modern way, Ilja Grzeskowitz has managed to inspire our team to use the right attitude to master change. We are very happy!
Christian Repnik
CEO / SIP Personalservice GmbH, Graz Österreich
We were impressed with Mr. Grzeskowitz´s strong combination of commmunication skills, leadership paired with extensive business experience and the high level of personal energy, motivational outlook towards individuals and the group, as well as his positive attitude.
Dennis Jacobsen
Senior Manager / KF Andersen Leadership Academy
Making change happen is never easy. However, after following Mr. Grzeskowitz's change formula, it definitely became doable. It was worth traveling so far to hear his presentation. It's made a big impact on how I look at my situation.
Chris Popp
Director of Sales & Marketing / Diequa Corporation, Chicago, IL. USA
It was a pleasure to hear your enthusiastic speech about change management.
Edgar Hogervorst
Sales Manager / VarioDrive Aandrijf, Holland
Your presentation was extremely valuable. Your content helped me to be able to lead the changes in my organization and to manage my own motivation. Thank you.
Günther Probst
Managing Director / Schmachtl GmbH, Österreich
Your Presentation was great stuff!
Jacek Dudkiewicz
International Business Development / Rhenus Logistics AG und Co. KG
Change is the new normal! With his real life insights, Ilja Grzeskowitz has moved us. With lots of humor and the right words in a difficult situations, everyone got lots of takeaways for the daily tasks.
The whole Team
CRO / HSH Nordbank AG
The keynote speech from Ilja Grzeskowitz at our Business Meeting was really good. The feedback was above average.
Daniela Engel
Journalist / Konradin Mediengruppe
You´re presentation was awesome. I´m a great fan of yours.
Taric Karroum
HR Department / Procter & Gamble
A motivational experience. I laughed a lot, and at the same time, I was challenged to change my thinking. This keynote speech gave me lots of practical tools for my daily business in human resources.
Silke Adamek
HR Manager / KaDeWe Berlin
Your presentation was full of great content and a unique delivery style.
Matthias Reinig
Director Communications / Takeda Pharma GmbH
Mr. Grzeskowitz, may I say thank you for the great presentation. It was the perfect fit for our meeting.
Siegfried Frühwirth
CEO / Gemba Austria





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