Complex sentence: She was previously the second Principal of Royal Holloway College from 1898-1907 where she succeeded Matilda Ellen Bishop and prior to that the Principal of Bedford College from 1893-1898.
Split into simpler sentences: She was previously the second Principal of Royal Holloway College (RHC) from 1898-1907 where she succeeded Matilda Ellen Bishop. Prior to RHC she was the Principal of Bedford College from 1893-1898.