About OEIS

Founding Members

The physicians who saw outpatient endovascular care coming — and built the society that champions it. Vascular surgeons, interventional cardiologists, and interventional radiologists, united across specialty lines.

The founders

Samuel Ahn, MD

Vascular Surgery

Michael Arata, MD

Interventional Radiology

Enrico Ascher, MD

Vascular Surgery

John Blebea, MD

Vascular Surgery

Jeff Carr, MD

Interventional Cardiology

Krishna Jain, MD

Vascular Surgery

William Julien, MD

Interventional Radiology

Elias Kassab, MD

Interventional Cardiology

Yazan Khatib, MD

Interventional Cardiology

Christopher LeSar, MD

Vascular Surgery

Guy Mayeda, MD

Interventional Cardiology

Gerald Niedzwiecki

Interventional Radiology

David C. Sperling, MD

Vascular & Interventional Radiology

Bret Wiechmann, MD

Interventional Radiology

A society built across specialties

OEIS was founded by physicians from all three endovascular disciplines — a deliberate choice that still defines the society: outpatient care is a shared mission, not a turf battle.

Carry the mission forward

Join the community the founders started — advocacy, education, registry data, and a national peer network.

Become a Member Officers & Committees