Diploma of maturity achieved in 1993 at Technical-Commercial Institute Paolo Sarpi of Venice.
From February 2002 to October 2005 she worked at Pago Italia Srl in Dosson (TV) dealing mainly with the issue of active and passive invoices and payments. From June 1999 to February 2002 she was employed at Cinquegrani Sas in Quarto d'Altino where she worked on invoicing clients and suppliers, verification of payments and relations with the public. From June 1996 to March 1999 she worked in front office at the dealership VW Audi Pole Position Spa in Mestre, also dealing with billing customers and first known cash. From 2005 to 2010 temporary position at the Institute for the Dynamics of Environmental Processes (IDPA) of the CNR, Administrative Staff-Level VII; since 2010 permanent position at the Institute for the Dynamics of Environmental Processes (IDPA) of the CNR, Administrative Staff-Level VII. In 2019 she moved to the Institute of Polar Sciences (ISP).
In her activity at the CNR, Elisa Tessarin mainly deal with the procedures related to the orders of expense billing registration, management of staff attendance through dedicated computer tools, Organization of medical examinations for suitability for work, procedures for reimbursement of missions (work trips) of staff, computer protocol and is treasurer of the Institute.