Sheridan College, Diploma in Legal Office Administration, 1994

Sonia Valentini

Sonia joined Montgomery Sisam in 2016 in the role of Office Manager with over 10 years’ experience supporting senior executives across many industry sectors.

Skilled in business, office and contract administration, Sonia performs a wide range of tasks. She is responsible for managing office functions, including archiving, provincial licensing, overseeing reception, and supporting IT maintenance. She provides support to Principals, making business arrangements, generating expense reports and drafting client and consultant contracts. Sonia also consults with and supports the accounting department, overseeing insurance and invoicing from project onset through completion.

With a proven ability to manage multiple projects simultaneously under tight time constraints, Sonia is integral to the smooth operations of our office and project teams.