High-level Alexander Conklin's mole in NSA, a former member of Treadstone . Served as CIA's mole after Conklin's death. He was a chief of NSA's safehouse, that served Tyrone's well after General Kendall's persecuted. He was the reason that Secretary of Defense 'Bud' Halliday never attempted to eliminate CIA.

In the end of The Bourne Sanction (novel), Willard informed Bourne that Leonid Danilovich Arkadin was his predecessor of Treadstone, and Conklin's ambition of him was to create ultimate warrior.