Spencer Berthelsen


Dr. Berthelsen has served as a Director of Ionis since May 2002. Since 1980, he has practiced Internal Medicine with the Kelsey Seybold Clinic, a 400-physician medical group based in the Texas Medical Center in Houston. Dr. Berthelsen has served in various senior leadership positions at Kelsey Seybold, including chairman of the Department of Int...

Roles at n-Lorem Foundation

  • Director

    Current role

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