The security of our website is as important to us as it is to you. Similarly, the privacy of your data and your usage of this site, is to us as sacrosanct as our own data.  We will NEVER sell or in any way make available to  third parties for commercial gain, any information pertaining to you or your usage of this site. 

That said, it is common knowledge that even the best managed websites can get hacked or infected, and therefore we do insist, as an explicit condition for you visiting or using this site, that the following terms apply (which you are deemed to have approved, by your act of accessing the site):

All persons who access this website and/or engage with any of its sub-domains or with any external site to which a link is provided in this site, do so entirely at their own risk.  Neither GREXPA nor any of its staff accept any liability for any damage that may be suffered as a consequence of you visiting this site or any other linked to it.

who we are:


GREXPA (Grupo Excellentia Panamericano s.a.) is a limited liability company (a sociedad anonima) registered in the Republic of Guatemala under registration number 129433, folio #144, book #223.

The tax registration number of the company, or NIT, is: ​9304362-7.

The registered address of the company is:

130c Calle del Agua, Aldea Santa Ana, in the city of La Antigua Guatemala, department of Sacatepequez, Republic of Guatemala.  The telephone number is: (+502) 7791-0042.



Willem heads Excellentia Didactica as well as  Antigua Internet Marketing (AIM). He is a former ambassador and head of South Africa's diplomatic academy, and also holds the Spanish Education Ministry's highest DELE certification (C2) in Spanish proficiency. He is furthermore expert in internet marketing, having won the Panama Technopark's Plan de Salto contest and consequently a sponsored study tour of Silicon Valley.


Monica is the President and Legal Representative of GREXPA. Born and raised in La Antigua Guatemala, she has two decades of experience in teaching Spanish as foreign language, for the most part using Skype for personalized, one-on-one classes.