Don't miss the big stories. Like us on Facebook. BRATTLEBORO â Mark Speno will lead the Windham Southeast Supervisory Union next year as the search for a superintendent to succeed Andy Skarzynski takes place. The announcement came in a news release issued Thursday stating the WSESU board chose Speno as the interim superintendent beginning immediately and serving through June 30. âAs we enter the new-normal of a post-pandemic school year in the fall, we look forward to Markâs leadership and innovation,â WSESU Board Chairwoman Kerry Amidon said in the news release. âHe is known by the educational leadership team as having a student-centered approach and belief in a distributive leadership model. Parents have been amazed at the foundation he provides that allows students and families to navigate their educational journeys with success and confidence.â