Information according to § 5 Telemediengesetz (TMG):

Dr. Marcus Andreas
Process Support for Sustainability
Balthasarstr. 89
50670 Cologne

Sales tax identification nr.: DE325709020


Tel.: +49 (0)176 843 639 41
E-Mail: contact[at]

Responsible for the content is according to § 55 Abs. 2 Rundfunkstaatsvertrag (RStV):

Dr. Marcus Andreas
Balthasarstr. 89
50670 Cologne

This website was created by designarr.
The photographs of me were taken by Katharina Halser.
The header video and the photograph underlying the contact form were provided by Lisa Mieth (Thank you!).

Exclusion of liability:

1. Liability for contents
The content of my website was created with the greatest possible care. However, I do not guarantee that this content is correct, complete, up to date or pleasing. According to § 7 Abs. 1 TMG I am responsible for the content, even if it has been ordered.
According to §§ 8, 9 and 10 TMG I am under no obligation to monitor information transmitted or stored by third parties or to ascertain circumstances that indicate illegal activities. Not affected by this is my obligation to block or remove information which derives from general laws and which deserves attention.
However, I am not liable until I become aware of a concrete violation of rights. Then the corresponding content will be removed immediately.


2. Liability for links

My website contains links that lead to external websites of third parties, on whose contents I have no influence. It is therefore not possible for me to assume any liability for these contents.
The responsibility for this always lies with the respective provider/operator of the corresponding website. I check the websites linked by me at the time of linking for a possible infringement in full width.
However, I cannot be expected to constantly monitor the contents of the linked websites without a concrete clue. However, if I become aware of a violation of the law, I will remove the corresponding link immediately.


3. Copyright
The contents of my website are, as far as possible, protected by copyright. It requires a written permission of the creator for the one who duplicates, edits, distributes or uses the contents.
Downloading and copying my website is to be permitted by me in writing for both private and commercial use. I would like to point out that with regard to the contents of my website, insofar as they have not been created by me, I have at all times observed the copyright of third parties.
If you would inform me that you have nevertheless found a copyright infringement, I would greatly appreciate it. Then I can remove the corresponding content immediately and would no longer infringe the copyright, i.e. not continue an illegal situation.