About Ed Chang
Ed Chang is a director at Ellipsys Medical.
Form D filings also name Ed Chang as a director at Aveera Medical.
Ed Chang first appears on SEC filings in 2024.
Experience
This experience comes from Ed Chang's profile and from SEC filings. For roles taken from filings, the years are when the filings name Ed Chang in the role, so the role may have started earlier or lasted longer.
Ellipsys Medical, Inc. Current
Co-Founder & Chairman
2025 – Present · San Clemente, CA
Makes a device physicians use to create dialysis access for patients with kidney failure.
Aveera Medical Inc. Current
Co-Founder & Director (2020 – Present)
Director
2020 – Present · San Clemente, CA
Develops an investigational catheter for doctors treating patients at risk of limb amputation.
AI
Avenu Medical, Inc.
Co-Founder, Director and Chief Marketing Officer
2010 – 2021
CI
Cayenne Medical, Inc
Co-Founder, Director & VP Marketing
2005 – 2010
OI
Opus Medical, Inc.
Co-Founder, Director & VP Marketing
1999 – 2005
BI
Biopsys Medical, Inc.
Director of Marketing
1994 – 1998
II
Imagyn Medical, Inc.
Director of Marketing
1991 – 1994
AI
Applied Medical, Inc.
Director of Marketing
1988 – 1991
EL
Edwards Lifesciences
Sr. Product Manager
1982 – 1988
Key Colleagues at Startups
The people Ed Chang works with at each company, as listed on that company's latest Form D.
Ellipsys Medical, Inc. · Form D/A, Oct 14, 2026
FH
Frank Hettmann
President and director
MR
Mark Ritchart
Director
SP
Steve Parker
Director
JH
Jeffrey Hull
Director
BD
Brian Driscoll
CEO and director
Aveera Medical Inc. · Form D, Feb 26, 2026
SP
Steve Parker
Director
BD
Brian Driscoll
President
JS
Joseph Steele
Executive officer, director and promoter
MR
Mark Ritchart
Director
JH
Jeffrey Hull
Director