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A history of innovation in vascular interventions

Elumn8 Medical (formerly Simpson Interventions) is the eighth medical device company founded by Dr. John B. Simpson, whose advancements have significantly impacted percutaneous interventions worldwide

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Executive Leadership

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Joe Knight, PhD, MBA

CEO

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John B. Simpson, PhD, MD

Founder, Chairman & CMO

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Kin F. Chan, PhD

Co-founder and CTO

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Douglas Rowe

VP, Research & Development

Clinical Advisory Board

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Tomoaki Hinohara MD

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Bill Lombardi
MD

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David Kandzari
MD

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Bill Nicholson
MD

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Greg Robertson
MD

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Contact Us

Address
Elumn8 Medical, Inc.
747 Camden Ave Suite E,
Campbell, CA 95008 
U.S.A.

Customer Service/Complaints
customerservice@elumn8.com
877-653-9911

Legal/Regulatory Notices
notices@elumn8.com
408-906-0351

Human Resources
hr@elumn8.com

Technical Support & Miscellaneous
info@elumn8.com

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CAUTION: The Acolyte® System is limited by Federal law (United States) to investigational use.  It is not cleared or approved for use in any geography

© 2026 Elumn8 Medical (formerly Simpson Interventions). All rights reserved. Acolyte® is a registered trademark of Elumn8 Medical.  All other trademarks are the property of their respective owners.

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