Severin Schwan, member of the Corporate Executive Committee and CEO Division Roche Diagnostics Severin Schwan, member of the Corporate Executive Committee and CEO Division Roche Diagnostics Severin Schwan, member of the Corporate Executive Committee and CEO Division Roche Diagnostics Severin Schwan, member of the Corporate Executive Committee and CEO Division Roche Diagnostics Severin Schwan, member of the Corporate Executive Committee and CEO Division Roche Diagnostics