Spoken Alpha · Executive
Leonard S Schleifer
Bd. Co-Chair, President & CEOatREGNREGENERON PHARMACEUTICALS, INC.Current
Tracked since Dec 11, 2023
Tracked across 20 earnings calls in our data since 2021.
Our data window: 2020–present. Actual tenure for some executives extends earlier — see company bio for full history.
Research tier
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