Marcus Fletcher

He touched her face gently. He stared down at her, and the naked tenderness on his face made me want to look away. It was a terribly intimate look, more intimate than sex, more powerful. The fool loved her.
If he hadn't been paying to kill me, I'd have felt sorry for him.

(The Killing Dance, page 319, paragraph 4)

* Marcus is a brain surgeon, and his identity as a lycanthrope is hidden. Raina, his lupa, acts as the more open lycanthrope, since she can alter her face and hide her identity.

* Marcus was attempting to unite all the lycanthropes under one rule - his. However, most of the other lycanthropes did not appreciate his efforts and opposed them to boot. He does not inspire others to follow like Richard does.

* His bodyguard was Alfred and, goaded by Raina's comments as well as the other lycanthropes, he forced him to try to disarm Anita when she had her Firestar out during the meeting. Alfred was killed, of course.

* Richard has fought Marcus twice for dominance and won, but didn't kill him. The other triumvirate, Sabin, Dominic and Cassandra, wanted Anita killed. So Marcus, put out a contract for Anita's life for them and also in the hopes that if she were dead, it would distract Richard enough during the next dominance fight

* Although Marcus is Ulfric and an alpha, he cannot feed the pack by offering his blood, like Raina and Richard can. He does have the ability to shift only part of his body, though.