We attach great importance to a versatile team which develops solutions for our clients from different scientific angles. In doing so, we live up to our ambition for holistic management consultancy and training. Our team shares a common understanding of Corporate Excellence as well as the motivation to achieve the best for our customers by making use of all our expertise and understanding.
The team at Dr. Kleinfeld CEC is competent, experienced and committed. Top credentials, inventiveness and conceptual strength characterise every single one of us:

"The human being, with its unique abilities and potentials, is pivotal for adding value in the 21st century. The latter cannot be exploited like material resources but can always be developed".
(Annette Kleinfeld)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Dr Annette Kleinfeld
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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Dr Annette Kleinfeld founded today’s Dr. Kleinfeld CEC as a successor company to Bickmann & Collegen Consultancy which she was an associate of from 1998 onwards. She studied Philosophy, German language and Literature Studies and Drama and earned her doctorate with a dissertation on ethically orientated corporate and personnel management.

"There’s a lot of talk about culture but hardly any company works systematically on its development! Culture is an informal management tool which is available virtually for free. There is a sustainable value in investing in the understanding of culture".
(Anke Kettler)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Anke Kettler
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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Stakeholder-oriented governance is more than appreciative communication.
In the balanced discussion it creates a base for organizational excellence, innovation and sustainability – factors which are influencing a company's rating far more
than expected."
(Carina Vollmer)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Carina Vollmer
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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In addition to her master's degree in economics Carina Vollmer has also a degree in entrepreneurship (MA). She works as a consultant and coach and advises small and medium enterprises in the handling of their tasks and operations, within growth and crisis and with main focus on finance and organization. In addition, she is preparing her dissertation in the field of systemic development of a company.

"Every company has some kind of management system in order for it to function at all. Successful companies shape these systems consciously and thereby give themselves a distinctive character. What matters is to shape the management system in a way that suits the company and thus sustainably secures its existence – for me, that’s excellence!"
(Joachim Rottluff)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Joachim Rottluff
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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"Every person, every group has its own views on reality. Without dialogue all of us live in their own world which makes it impossible imagining things to be different. Therefore innovation and change are only as good as the communication, by which they are carried."
(Sonja Beer)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Dr Sonja Beer
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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Dr Sonja Beer is a freelance consultant who focuses on management development, mediation, creative processes, team development and corporate communications. She also works on interdisciplinary projects for mission statement and value processes, branding and PR. Following her apprenticeship in a systemic consultancy, Sonja Beer has participated in a further education for project management and marketing. In addition to this, she is a lecturer in leadership and self-management in Economics at the University of Applied Sciences in Lübeck.

"Sustainability should be a basic, strategic compass for each company. This is the only way to identify and manage ecological and social-ethical chances and riscs of the business sector in a long-term - for an economical benefit of the company.
(Martin Heuser)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Martin Heuser
Brandstwiete 36
20457 Hamburg
Germany
Tel.: + 49 40 525 000 - 0
Fax: + 49 40 525 000 - 11
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Martin Heuser is a freelance consultant with focus on sustainability strategy, reporting according to the GRI G3 international standard and environmental management (DIN ISO 14001). He established the sustainability management in a former DAX-listed company, which he headed for 5 years and in parallel was Environmental Management Representative as well as Internal Lead Auditor.
As a certified Project Manager according to international standards PMI / IPMA, he run several large-scale projects in the bank and IT sector. Since November 2011, Martin Heuser is Representative Corporate Responsibility of the Kameha Grand Bonn, Hotel of the Year 2011 worldwide.

"Sustainability and Corporate Social Responsibility will only release their positive impact on corporate culture and employee motivation if employees are aware of them. So what’s easier than involving the employees?"
(Christian Klant)
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Christian Klant
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 0
Fax: +49 40 525 000 - 11
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Dipl. Soz.-Päd. Angelika Eder (diploma social pedagogics)
"Coherent corporate ethics can have many facets. For me ethics in distrubution means above all: Listening to the client."
Angelika Eder has been active in distribution for more than 20 years, since 2011 specialised in the area of management-training and corporate consultancy. After 8 years of working for a noted training institute, she is now herself a successful enterpreneur.
Angelika Eder has been supporting Dr. Kleinfeld CEC in distribution since January 2011.
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Angelika Eder
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 21
Fax: +49 40 525 000 - 11
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Brigitte Hahn (Qualified Bank Clerk)
Brigitte Hahn is your contact person regarding accounting, billing and purchasing. She has many years of experience in accounting and office management and has worked as a Bank Clerk for the Postsparkassenamt (Postal Savings Bank) and the savings bank Hamburger Sparkasse. In addition to this, she has worked as a secretary and office manager for various consultancies.
Brigitte Hahn has been complementing the team at Dr. Kleinfeld CEC since October 2005.
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Brigitte Hahn
Rödingsmarkt 9
20459 Hamburg
Germany
Tel.: +49 40 525 000 - 26
Fax: +49 40 525 000 - 11
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Annika Martens (M.A.)
Annika Martens, graduated with a doctoral degree in Prehistoric and Protohistoric Archaeology, was confronted with the topics foreign aid and intercultural dialog in Asia and South America during several voluntary services.
Since 2004 she has been working as a honorary member for the street children organisation “Esperanza y Caridad”.
Since February 2012 Annika Martens supports the team of Dr. Kleinfeld CEC.
How to contact me
Dr. Kleinfeld CEC GmbH & Co. KG
Annika Martens
Brandstwiete 36
20457 Hamburg
Germany
Tel.: +49 40 525 000 - 26
Fax: +49 40 525 000 - 11
› Send e-mail