Currently based in Espinho Portugal, I’m teaching at esad Matosinhos/Porto, regularly visit clients in Lisbon and occasionally travel through the world.

The easiest way to contact me is through e-mail, and I will gladly follow up according to the specific needs.

Website Development

The website was designed by Item Zero & Implemented by Marcos Rego


The text and images presented may be protected by copyright or subject to other restrictions. Their rights belong to the authors indicated, or to the author of the website Rúben R. Dias owning the copyright of their reproduction.

Personal or academic usage is freely allowed, knowing they are subject to any additional legal conditions that may be legally enforced. Users should, always, cite the author and source of the materials.

Copying or dissemination in any form for commercial use is strictly prohibited, unless if written authorization from the author is obtained.

The usage of materials available on the website for other purposes is subject to obtaining a prior authorisation, which can be requested through the following email address: [email protected]

Cookies Policy

This website uses cookies that improve the performance and user experience without collecting any personal information that identifies the user. By continuing to navigate you are accepting these cookies.

What are cookies?

Cookies are text files with relevant information that your device (computer, mobile phone, smartphone or tablet) loads via a web browser when you visit the website.

The cookies used on this website do not collect personal information to identify the user. Their use is done solely to improve the navigation performed by users, capturing their behaviours, tastes and interests globally.

In this sense, the data provided by browsing helps to analyze and to improve the use and display of this website, making it simpler and faster, enabling a more interesting and dynamic browsing experience.

The user may, at any time, via their web browser, decide to be notified of the receipt of cookies and block the respective entry on your system. It should be noted, however, that the refusal of use of cookies on this website may result in the non-operation of important features.

Cookies operation

In general and as already noted, cookies are used to enhance the user’s browsing experience, increasing the speed and response efficiency of the website.

The information collected about navigation on this website, such as the most visited pages, the user’s location (research, third-party recommendation, ads or campaigns) and if your visits resulted on a contact.

The information collected by cookies is not available to third parties, except when required by law (state bodies or law enforcement agencies). However, if you do not want the website data stored on your device (computer, mobile phone, smartphone or tablet), there are ways to block some or all cookies and delete all those who have been saved. If you want to delete this website cookies or block the future storage of cookies, please be aware that you may not have access to certain areas/interactive tools.

The different types of cookies

Analytical cookies: They are used to analyze how users use the website. These cookies are used only for the purpose of statistics creation and analysis, never to collect personal information, always to provide a high quality experience.

Feature cookies: They keep user preferences regarding the use of the website, so that it is not necessary to configure the website each time you visit.

Third party cookies: They measure application success and the effectiveness of third party advertising. They may also be used to customize a widget with the user data.

Expiration of cookies

Permanent cookies: They are stored at the web browser level on your access device (computer, mobile phone, smartphone or tablet) and are used whenever you make a new visit to the website. They are usually used to direct the navigation according to the user’s interests, allowing to provide a more customized service.

Session cookies: These cookies are temporary and are available until you leave the website. The next time users access their web browser these cookies are no longer stored. The information collected by these cookies is aimed to analyze traffic patterns on the web, allowing to identify problems and provide a better browsing experience.

How can you manage cookies?

All Internet browsers allow the user to accept, decline or delete cookies, by selecting the appropriate settings in sections such as history, security or privacy, on the appropriate web browser.

Cookies in the opening of newsletter and emails

Newsletters and emails may contain a small image for statistical purposes, which allow us to know if they are open and to check clicks through links or ads in the newsletter. The user always has the possibility to disable sending the newsletter or email through the specific option at the bottom of the newsletter or emails.

Embedded content in our website

Some of the pages have embedded video content, for example, through Youtube. When you visit pages that have this type of content, they may contain cookies.

Our website also uses social media sharing tools, such as Facebook or Twitter. When you click one of these buttons, a cookie can be activated for the service you chose to use.

Be wornd that this website does not control these cookies, therefore please refer to the relevant websites for more information.

For what cookies are NOT USED for

Understand that the cookies used on this website do not collect information that identifies you or any personal information, such as personally identifiable info, email addresses, passwords or credit card info.

The information these cookies collect does not allow personal identification of users, nor allow to monitor your browsing activity on other websites.

Learn more

The cookies law is the common name given to the European Directive of e-Privacy adapted to Portugal in Law 46/2012, effective as of August 30th.

You can find more information about cookies at