GeoVax names Tyler O'Brien interim CEO

GeoVax Labs appointed Tyler O'Brien interim CEO and board chairman, effective November 8, 2026. Shahin Behroyan joined the board as an independent director on November 5, filling a vacancy after five directors resigned effective October 23.

1. Leadership changes

GeoVax Labs appointed Tyler O'Brien interim CEO and board chairman, effective November 8, 2026. Shahin Behroyan joined the board as an independent director on November 5, filling a vacancy following the resignations of five directors, effective October 23. Behroyan has served as iSpecimen's CEO since August 26, 2026, and has experience in corporate transactions, acquisitions and financing.

1. Leadership changes

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