Web Reference: Nov 29, 2022 · Mark Speno has served as the Superintendent of Windham Southeast Supervisory Union since 2021. Previous to Mark taking on the Superintendency he served as an elementary school teacher for nine years, served as principal of Vernon Elementary School From 2009-2014 and principal of Green Street School from 2014-2021. Mark Speno is an American-born actor and adventurist most recently known for his appearance as FBI Special Agent In Charge Elias Braddock on HBO Max' DUSTER along side powerhouse actress Rachel Hilson. Oct 22, 2024 · Speno had been hired as superintendent for the 2022-2023 school year after serving in the interim role for year before. He had filled in after Andy Skarzynski announced he was stepping down in June 2021 to be with his family in Connecticut.
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