Go to the profile of Karl Van Oostenbrugge

Karl Van Oostenbrugge

President, KVO Communications Inc.
Go to the profile of Christopher Warren
Christopher Warren

Service Technician, DTS

Xchange Members
Canada
Go to the profile of Daniel Torres
Daniel Torres

Sound engineer , Videocorp Latam

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Chile
Go to the profile of Brad Grimes
Brad Grimes

Writer, Self Employed

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United States of America
Go to the profile of Chris Gardner CTS-I
Chris Gardner CTS-I

Technical Director, Universal Group

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United Kingdom
Go to the profile of Bill Larsen, CTS
Bill Larsen, CTS

District AV Technology Coordinator, Independent School District 197

Bill Larsen, CTS, serves as District AV Technology Coordinator for ISD 197 (West St. Paul-Mendota Heights-Eagan, Minnesota), managing AV services across nine buildings including two high schools, two middle schools, and five elementary schools. He holds the CTS credential from AVIXA and serves as a Subject Matter Expert for CTS exam development. Bill is the founder of Backstage Essentials LLC, an independent consulting practice focused on K-12 performance space and AV systems. His forthcoming book, Backstage Essentials: Skills for Stagehand Technicians in Live Event Production, is being published by Routledge/Taylor and Francis in 2026. He also serves as Education Coordinator for IATSE Local 490 and brings more than 30 years of experience in educational technology and live event production.
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United States of America
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