Kniaginia Xristina Viacheslavova is living in the Early Kievan Rus era, under the rule of Grand Prince Vladamir.
Xristina joined the SCA in 1990 in the Barony of Castel Rouge (was Middle Kingdom and now currently a part of the Kingdom of Northshield) and still has strong ties to it. She moved to the Barony of Skraeling Althing in Ealdormere in 1993.
Xristina is willing to come out to groups and teach. You can contact her through the Canton of Greyfells or the Barony of Skraeling Althing. The following is a list of current classes available (as of Dec 2012):