References and Alumni Page
Don Guillermo's Professional Spanish Center,  DonGuillermo@gmail.com

Don Guillermo, Thanks again for your excellent instruction.  You are one of the best teachers I have ever met.
Bryan Gough  Boulder, Co.

Guillermo,  Many thanks for your patience, gentle prodding, and sense of humor in introducing me to the beautiful Spanish Language.
Debara Torbensen   Remax Real Estate * See bottom

Guillermo is a wonderful teacher who is very thorough.  I have referred my assistant and several others to him, and I highly recommend him to individuals of any skill level.
Jami Vigil  Immigration Attorney,  Denver

My wife and I have learned enough Spanish to spend each winter in Puerto Rico.  We are delighted.
Peter C. Neidecker  CEO MedsourceTechnology/National Wire & Stamping,  Denver

Thank you for being my teacher.
Dr. William Betz, Phd. 
Professor and Chair of the Department of Physiology & Biophysics at the University of Colorado


Thanks for all the teaching.  Every time a patient understands me and I them, I am again greatful to you.
Dr. Keren Call, M.D.   The Children's Hospital

I was a private Spanish student of yours many years ago. 
Your classes helped me to work in Mexico for 6 years selling parts and equipment to mining personnel in the mines and at corporate offices in Mexico City.
Speaking Spanish has become a lifelong experience and enjoyment.  You are a big part of that and I thank you.
 Gene Hedgespeth   Former Mining Sales Rep and current high school teacher, Louisville Kentucky

Guillermo, You have been a source of great inspiration for me and have opened my mind in new directions.  Don't forget that you are an
important part of many people's lives whether or not their presence may be immediately accessible.
Chris Volk  
Sales Rep Koala Corporation

With Guillermo's solid approach and my belief in him, I am now able to speak Spanish all day.
Richard Watson  President of Watson Mills,  Boulder

I really look forward to my Spanish lessons with you.  My daughter wants to start taking lessons now.
Carol Stegink, R.N.  Former Head Trauma Nurse, Denver General Hospital

Over the years some prominent people as well as many everyday folks have attended Don Guillermo's:
  *Special congratulations to Debara Torbensen for having been consulted by a well known local language school to redesign their curriculum from "unstructured" to structured. Olé.  I'm very proud of you!

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