About Mark Ritchart
Mark Ritchart is a director at Ellipsys Medical.
Form D filings also name Mark Ritchart as a director at Aveera Medical.
Mark Ritchart first appears on SEC filings in 2024.
Experience
This experience comes from SEC filings. The years are when the filings name Mark Ritchart in the role, so the role may have started earlier or lasted longer.
Ellipsys Medical, Inc.
Director
2026 · San Clemente, CA
Makes a device physicians use to create dialysis access for patients with kidney failure.
Aveera Medical Inc.
Director
2024 – 2026 · San Clemente, CA
Develops an investigational catheter for doctors treating patients at risk of limb amputation.
Key Colleagues at Startups
The people Mark Ritchart 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
EC
Ed Chang
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
EC
Ed Chang
Director
JH
Jeffrey Hull
Director