Nicholas Marston, CPA, currently serves as a Senior Implementation Consultant at Fieldguide since November 2025. Prior to this role, Nicholas held various positions including Implementation Consultant III and Implementation Consultant at Brex from September 2023 to November 2025, Partner Consultant at Xero from October 2021 to September 2023, and Team Manager at G. Michael Simpson Professional Corporation (now Lekadir LLP) from March 2020 to October 2021. Nicholas's earlier experience includes roles as Senior Accountant at BDO from February 2019 to March 2020, Staff Accountant at Welch LLP from November 2017 to February 2019, and Associate at ConnectCPA from November 2016 to November 2017. Nicholas started a career in accounting as a Seasonal Staff Accountant at OHCD LLP in early 2016 and served as an Accounting Clerk and Contracts Manager at Contract Community Inc. in mid-2014. Nicholas is a graduate of Concordia University and the John Molson School of Business, where a Bachelor of Commerce in Accounting was earned, and completed CPA certification through CPA Canada from 2018 to 2019.
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