Mark Rein-Hagen is the founder of White Wolf Publishing and the creator of Vampire: the Masquerade and its associated World of Darkness games. Mark is also as co-designers of Ars Magica and is now working on a new project. Jason is the Director of Operations on Marks's new project. Jason has been role-playing since 1980 and has been actively running Vampire: the Masquerade and Wraith: the Oblivion since they came out.