+18 year experience professional in the banking industry with expert knowledge in Excel. Can teach you acoording your needs, from the basics to more advance features,and start developing your advance

¡Time well invested!
Guillermo will take you through everything you need to know to boost your excel skills to the next level and take well-informed business decisions. He is a patient, test and learn type of teacher.
¡Thank you Guillermo!

Guillermo is very knowledgeable in Excel and has patience to teach other people. He uses Excel everyday at work and is happy to teach his fellow co-workers. He know many usefull shortcuts and tips & tricks

I strongly recommend Guillermo as an excel instructor! He's dedicated, very patient and explains very clearly!
He cleared all my doubts and helped me understand how to build pivot tables, apply different rules and conditions, among other formulas! My excel has never been this good until now!
He's a great teacher! I will definitely contact him in the future!

I have known Guillermo for many years, he is not only a great teacher, but he's also very patient and reliable. I can guarantee that he masters Excel and that he is a great professional. I totally recommend him.