Sean Siler, DO

Chief Executive Officer

Dr. Sean Siler, VIGILINT CEO, has created a diversified portfolio of medical solutions for commercial and government sectors thereby growing the company sevenfold during his tenure. He is an Emergency Physician and business leader with broad experience in the corporate and government sectors.

His diverse business background includes executive roles in startup and mature biotech companies, and corporate medical consulting. Dr. Siler has practiced Emergency Medicine in clinical, academic and leadership roles, across the spectrum from small community hospitals to large academic medical centers, as well as concierge care for patients. His government experience at the national level includes managing crucial elements of the Federal response to numerous natural disasters and National Special Security Events (NSSE).

With a military career that includes conventional and special operations roles and numerous command positions across an ongoing 28-year career with four combat deployments, he currently commands the 803rd Hospital Center as a Colonel in the US Army Reserve.

Siler holds a B.A. from California State Polytechnic University at Pomona, an M.B.A from the University of North Carolina at Chapel Hill and his D.O. from Western University of Health Sciences, Pomona, and conducted Emergency Medicine residency in San Antonio, Texas.

"As a global media and communications company, complex medical challenges frequently confront our offices and business travelers. VIGILINT plays a valuable role in our crisis management process as a trusted medical advisor. Their team is incredibly knowledgeable and responsive. Global companies like ours are constantly affected by international health issues and VIGILINT has been a true partner when we needed an informed opinion to help set policy and guidance with respect to medical challenges affecting the health and safety of our employees and our ability to meet our client obligations. They are my first call whenever a medical crisis arises.”

-Director of Business Continuity & Crisis Management, Fortune 500 global advertising and marketing services company

"We have been using VIGILINT for the past two years and have been very satisfied with their services. The information and services have been provided in a very timely manner with extremely accurate information. They have been an intricate part in our planning of large corporate events."

-Manager of Risk Services, $10-billion-a-year consumer products company

“Simply put, VIGILINT is unmatched anywhere. They are compassionate, with high professional standards and an unwavering commitment to their client. For many years, VIGILINT has allowed our Family Office to travel with confidence, with complicated medical problems. This is the most complete, impressive, full-service program I have ever encountered. They are highly respected physicians who believe in personalized service.”

-West Coast family office (family-owned global event production company)