Spencer Berthelsen – Biography
Last update: March 9, 2026Executive profile
Spencer was Chairman and Managing Director for Kelsey-Seybold Clinic.
Spencer Berthelsen is currentlyDirector at Ionis Pharmaceuticals - View - Ionis Pharmaceuticals org chart
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- At Ionis Pharmaceuticals, Spencer Berthelsen has 22 colleagues including Brett Monia (CEO & Director), Peter Reikes (Director)…
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- In the Biotechnology industry, Spencer Berthelsen has 35,765 colleagues in 2,406 companies located in 42 countries. 16,877 executive movements have been recorded in the last 12 months. Learn more about Biotechnology.
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Through the switchboard, call Ionis Pharmaceuticals at +1 760... and ask for Spencer Berthelsen.
