Throughout my course, I have been meeting with Horacio for my online office hours. I honestly can say that in the little time that I have worked with him online, I have learned more and have been able to conceptualize ideas at a much faster rate than I did during the course. (This is not a knock towards the course or the instructors for those courses, it is meant as praise that Horacio was clearly above and beyond the rest of the individuals that I worked with.)
He explains concepts with such great detail and thought, and if for some reason I was unable to get a problem a certain way, he worked with me to provide alternative solutions to the problem...usually these were the instances where the light bulb went off!!
Once again, I can speak in volumes about Horacio's teaching style and his willingness to help students truly understand the intricacies of the GMAT. He is a fantastic instructor and I would indeed definitely recommend him to any student looking to conquer the GMAT.