MBA titulado y hablante nativo con 10 años de experiencia enseñando español.

I think Sergio is an amazing teacher due to:

1) Native Spanish speaker (last name Perez which is the most common Hispanic last name), and fluent English speaker ( 10+ years either working in an English speaking role or grad school level)

2) Diligent teacher: 10+ experience teaching languages, and following different methodologies

3) Pragmatic/ Fast results: His students tend to learn or speak the language faster as identifies and tailors his lessons to students’ main improvement areas

I have worked with Sergio for over two months to improve my Spanish. Sergio is extremely patient and is highly skilled at helping you identify areas that need more work. His personalized approach helped me with a program that I was most comfortable with. This proved to be highly effective. He is highly professional and deeply committed. I really think a lot of student serious about improving their Spanish can benefit from working with Sergio.
Cheers!
Manu.

With an outgoing personality, Sergio builds trust through vivid examples of how words can be used in different sentences. He is able to convey his messages by tailoring what he wants to say according to the audience.
He is really skilled in grammar and ensures that the person he’s teaching to will learn something useful and practical since day 1.

Sergio is a good friend of mine, I have known him now for over two years. He's very knowledgeable in many different domains, and always takes a kind hearted approach when teaching new subjects. He is a native Spanish speaker having grown up in Latin America and I would recommend him to anyone at any level that is interested in learning and improving their Spanish.

Sergio's classes are great! I practiced my conversation skills and learned lots of new words. Highly recommended.

I really enjoyed Sergio's class. He was able to adjust the class based on my level and made learning Spanish so much fun. He was very reliable. I specifically liked how he integrated cultural elements in the homework so I could learn the language and the culture.