Information according to Article 5 and 6 German Teleservices ACT (TMG)/ Responsible for the content according to Article 55 (2) German Interstate Broadcasting Agreement (RStV)

Holger Lietz
Fontaneweg 11
61267 Neu-Anspach

T +49 (0) 69 204 563 17


VAT-ID-Number according to Article 27a German Value Added Tax Act

St-Nr.: 00384161320 / USt-ID: DE289702662



The site is operated by Holger Lietz. All rights of the site belong to Holger Lietz.


Holger Lietz resumes no responsibility for the topicality, correctness, completeness or quality of the information provided. Liability claims against Holger Lietz, which relate to indirect, consequential or incidental damages of material or immaterial nature caused by use or disuse of the presented information or by the use of faulty and incomplete information are basically excluded. All offers are not binding and without obligation. All information published via this website is provided by Holger Lietz in good faith. All information, as far as legally permissible, creates no guarantee, commitment or liability by Holger Lietz.

Holger Lietz reserves the explicit right to change parts of these pages, to add, to delete the entire website temporarily or permanently without an announcement. Furthermore, Holger Lietz is not responsible for the availability of this website or its content.

References and Links

For direct or indirect references to external websites (’hyperlinks’), which lie outside the responsibility of Holger Lietz, an exclusive liability obligation would only come into force, if Holger Lietz would have had knowledge of these contents and it would have been technically possible and reasonable for him to prevent the use in case of illegal contents. Holger Lietz hereby explicitly declares that at the time of linking, no illegal content on the linked pages was noticeable. Furthermore, Holger Lietz has no influence on the current and future design, nor its contents or authorship of the linked/connected pages. Therefore, he dissociates himself hereby explicitly from all contents of all linked/connected pages, which were changed after the link setting. This applies to all links on site as well as for all external entries in form of guest books, discussion forums and mailing lists set up by Holger Lietz. For illegal, incorrect or incomplete content and especially for damages resulting from the use or disuse of such information lies solely with the provider of the page to which reference was made, not the one who has linked to these pages.

Electronic Communications and Security

The customer agrees to electronic communication as soon as he initiates the first electronic contact with Holger Lietz. Holger Lietz currently does not use encryption technology. The customer should be aware that e-mails could be read or modified unauthorized and unnoticed. Holger Lietz uses software to filter unwanted e-mail (spam filter). Due to spam filter, e-mails can be rejected, if these have wrongly been identified as spam due to certain characteristics.

Copyrights and Trademarks

Holger Lietz strives to follow copyrights of the used graphics, sound documents, video sequences and texts in all publications. All on site used brands and trademarks are subject to the provisions of the respective trademark law and the copyrights of the registered owners. The mere mentioning does not draw the conclusion that trademarks are not protected by third party rights! Each mentioned brand or trademark on the website is the property of the respective company. Reference to other brands and names occurs for informative purposes only.

The copyright for any material created by Holger Lietz remains solely with the author. Any duplication or use of such graphics, sound documents, video sequences and texts in other electronic or printed publications are not permitted without the explicit permission of the author. Holger Lietz is happy to provide the necessary information on the use of his created content. Please contact him under


Logo and Badge

Logo and Badge of Holger Lietz are protected and registered designs with the German Patent and Trade Mark Office: DPMA 402015201899-0001 & -0002.



Website, Videos, Keynotes and Speaker Profile


All copyrights or credits of used pictures, graphics, videos and texts in the blog are specified in the respective post.