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Professional Testimonials


Lisa Inouye

Worship Team


You're an amazing instructor, and you made our first group class this past Monday night so much fun! :)

Great tips for the whole dynamic of breathing.

Eden-Lee Murray
Hawaii Theater/Director/Education
Master Class 

Your Master Class yesterday was absolutely brilliant!  It was everything I could have wished for them, and ‘way beyond. You struck the perfect balance between laying out the fundamentals of vocal technique for all to explore and incorporate,  then working with the 5 individuals to demonstrate just how applying those techniques kick vocal performance to a vastly improved level. You proved clearly with each of the demo pieces that improved vocal technique—breathing, placement, separation of voice/body—enables much more effective interpretation.


Consider yourself invited to reprise the class with next fall’s group!  What I love about bringing really effective Master Class teachers back is that while the newbies get a huge amount from having their eyes opened,  the kids who have already taken the class once are in a completely different place as performers a year later. They have a richer frame of reference for the same material, and are able to take it even further.  It was just wonderful to see you again, and to watch you in action.


Nanilisa Pascua
Music Director/Educator at Diamond Head Theatre

Yvonne is a gifted performer and singer. She is a phenomenal voice teacher, instilling lifelong skills, good vocal technique and great work ethics in her students. She encourages them to perform to the peak of their ability and brings out the best in them in the process. I endorse Yvonne Iversen as a performer, a great singer, and an excellent voice teacher.


Sean Harrison
Harrison Executive Coaching and Consulting

I have worked with Yvonne in two very diverse situations. One as her boss for the major hotel brand Hilton and one as her guitar player in a band that played a very big stage. Yvonne is the consumate pro. She understands what it takes to perform at the top. She has amazing presence and can deliver world-class performance wether singing, teaching, selling, or producing.

Anna Fernandez
Legal Fellow at Department of Land an Natural Resources

Yvonne is a wonderful, beautiful, and talented vocalist. She is an excellent instructor, showing commitment and dedication to the proper development of her voice students. I highly recommend her to anyone seeking a patient, talented, and caring voice instructor.



KC Collins, CFRE
Executive Director of Development, Regional & Community Colleges

Fabulous voice. Talented instructor. If you want to learn to sing or get to the next level, contact Yvonne.

Lee Ann Del Carpio
Experienced Leadership Development Coach and Consultant, Founder of Inner Power International

Authentic. Powerful. Enormously talented. Fun! These are the words that come to mind when I think of Yvonne. She is a bright light that will bring energy and passion to any event, all the while entertaining and communicating from the heart. She is a true professional and a delight.


Stephen Jones
Bassist/Producer at Stephen Jones Inc

I have worked with Yvonne many times over the past 15 years and find her to be capable, honest and extremely talented.


Brian Wada
President at Kamaaina Services Inc.

Yvonne is a great entertainer with lot of spirit and enthusiasm. Her voice is very excellent and sings very well!


Carrie Cogan-Duff
Director of Sales

Yvonne is a brilliant performer and talented producer and I highly recommend her to compliment your event. 
Carrie Duff 
Execuitve Producer 
Spectacular Events 



Saif Bayati
Independent Entertainment Professional

I have known Yvonne Iversen as a friend and a professional singer for more years than I can count, and I have never met a more professional entertainer in my life. I would jump at the chance to use her again and can't recommend her highly enough!



Javier Del Carpio
Business Development, Growth Strategist, CEO and Founder at Prokelion Group LLC

Yvonne is an independent powerful woman who is authentic and cares for others. She is not afraid to speak her truth and live her dream. I admire her passion for singing, the dedication and effort to empower young children to express who their are through music. Yvonne is an inspiration, a courageous woman who is doing what she loves to do in life.

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