Tok'ra scientist who traveled to the Earth vessel Odyssey to extract the Goa'uld symbiote Baal from the body of Adria and replace it with a Tok'ra symbiote, Zanuf. The extraction procedure failed, as Baal released the symbiote's its fatal neurotoxin before the removal process could be completed.
Following Baal's removal, Adria regained consciousness and used the minutes she had left to live to kill Ta'seem and ascend.
Dominion - Ta'seem fails to remove the Baal symbiote before it releases its neurotoxin inside Adria. Upon her reawakening, he is killed.