What our customers say

Please show your appreciation of the work that Interspeech and their teachers have done to improve your English skills,

Help others to make the decision to choose Interspeech and to begin improving their language skills.

We thank you for your time you take to complete your review.

Average rating
5.0 rating
5 out of 5 stars (based on 16 reviews)
Very good0%

Awesome personilized lessons

5.0 rating
January 13, 2021

I am extreamly happy with the lessons that I got. My teacher Derek gave me a lot of advices and tips how to improve my business english skills. I changed my behavior and the results is great.


The best you can get!

5.0 rating
December 28, 2020

If you want to learn and improve your skills, you will find in his lessons the best way to get it. I passed the exam and I did very well in my Job interview.
Thank you! Grazie! Danke!
See you soon,


Helpful and useful English lessons

5.0 rating
December 22, 2020

Many thanks to Derek for his work. He understood my goals and wishes. During our lessons we tried to create a special approach to improve my speech and learn new vocabulary. Highly recommended:)


great teacher

5.0 rating
December 21, 2020

I did many lessons with Derek and it has always been both demanding and funny ! I strongly recommend this nice and dedicated teacher.


can only be recommended

5.0 rating
December 16, 2020

I started lessons with Derek 2 months ago and was asked by some colleagues 2 weeks ago if I am doing something for my English.
I think more need not be said.
Not perfect but week by week better 🙂


Hat mir sehr viel gebracht

5.0 rating
December 15, 2020

Englisch und ich standen immer in Kriegsfuß zueinander. Derek konnte hier gewitzt und sehr abwechslungsreich Abhilfe schaffen.
Vielen Dank und war wirklich sehr gut.


Perfect English lessons

5.0 rating
November 27, 2020

We had very good English lessons with Derek Reddy. We discussed interesting subjects and were able to improve our English. And the “good thing” we always had “fun”. So it was not only a lesson but also a very nice learning atmosphere, which I really enjoyed.
Thanks a lot Derek

Bettina Thomas

Professional teacher

5.0 rating
November 23, 2020

what I liked most about the lessons with Derek, is that he was flexible to plan lessons according to my interests, and in the same time making the lessons extremely useful.


Bereichernd !

5.0 rating
November 18, 2020

Interspeech wurde mir von einem Bekannten empfohlen. Ich habe dort dänisch und spanisch gelernt. Die Kurse fanden in entspannter Atmosphäre statt, waren abwechslungsreich, interessant und vor allem effizient. Enthusiasmus und Einfallsreichtum der beiden Dozenten haben mich begeistert und motiviert.


Good Teacher

5.0 rating
November 16, 2020

I think Derek has a lot of experience in English teaching. He helped to improve my business conversation and technical writing too.
Thanks Derek!