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This profile was last updated on 4/4/15  and contains information from public web pages.


Phone: (425) ***-****  
Email: d***@***.org
Local Address:  Washington , United States
Plateau Music LLC
4532 Klahanie Drive SE
Issaquah , Washington 98029
United States

Company Description: Plateau Music offers a complete line of instruments for rent and for sale. We also offer quality repairs on all instruments. Simple repairs and string changes are...   more

Employment History

Board Memberships and Affiliations


  • Economics and Business Administration
    University of Washington
14 Total References
Web References
Plateau Music - Entertainment, 4 April 2015 [cached]
To hire the "Plateau Music Players" contact Plateau Manager Dennis Helppie at ?subject=In-Home Lessons"> or (425) 208-9986.
SSO - Dennis Helppie, 10 Feb 2015 [cached]
Dennis Helppie SSO - Dennis Helppie Sammamish Symphony Logo
Dennis Helppie
Photograph of Dennis Helppie
Dennis Helppie became concertmaster of the Sammamish Symphony in 2005. Dennis has used his love for music to help connect people and to help promote the Sammamish Symphony.
He has been a resident of Sammamish since 1991 and has lived on the Eastside most of his life. Dennis has been married to his wife Sherry since 1975 and he has one son and one grandson.
Dennis started in music with the violin in third grade.
Dennis is also a freelance ensemble musician and soloist. He is a member of the jazz/fusion quartet Plateau Music Players and a member of the Gilbert and Sullivan Orchestra since 2003. He also played with the Everett Symphony in Carnegie Hall.
A graduate of the University of Washington with degrees in Economics and Business Administration, Dennis has worked in sales and sales management for manufacturers representation, distribution and telecommunications corporations.
Dennis received the Sammi Award for Arts in 2007.
He is the owner of Plateau Music, a music store, in Sammamish. He is also an instructor of violin, viola, cello, guitar and ukulele.
SSO - Sammamish Symphony Management, 11 Feb 2015 [cached]
Dennis Helppie
SAMMI Awards Foundation | Awards 2007, 31 Jan 2014 [cached]
Dennis Helppie For the past five years, Dennis has been involved with music on the plateau. Joining first as a member of the Sammamish Symphony Orchestra, he later became the Symphony's "Concert Master. Dennis used his love for music, prior marketing experience, and contagious enthusiasm in the promotion of the Sammamish Symphony, which connects people. He also teaches violin, viola and cello at the Labyrinth Home School Co-operative at Mary Queen of Peace and Plateau Music Store. Dennis loves seeing kids grow and says, "When they master an instrument, they just blossom! He has seen how music motivates, develops leadership skills, and improves self-esteem in many children. Dennis is most proud of bringing four of his students into the Sammamish Symphony as regular members.
Plateau Music, 26 Sept 2012 [cached]
All in home lessons are contracted through and arranged by the Plateau Music Manager, Dennis Helppie:, 425-208-9986
Other People with the name "Helppie":
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