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Arianna Castonguay

She / Her

Manager, Client Accounting Services

Arianna is a dedicated professional that is passionate about using her audit experience to help organizations better understand how to use financial systems and processes to support their mission.

Arianna grew up in the City of Chilliwack / Ts’elxwéyeqw, spending much of her time exploring the forests and mountains, swimming in Cultus and Sx̱ótsaqel (Chilliwack Lake), and enjoying the natural beauty along the Chilliwack River. 

Her adventurous spirit has taken her across Central and South America, fostering a deep love for travel and new experiences. 

With nearly 8 years of experience in auditing, Arianna has worked extensively with not-for-profit and Indigenous organizations, frequently serving as an advisor to guide clients through complex financial reporting and the preparation of financial statements. She is passionate about building meaningful relationships and takes pride in being a trusted advisor. 

When not working, Arianna enjoys staying close to nature, practicing yoga, and paddle boarding.

At Humanity Financial, I get to blend my expertise with purpose, helping organizations create clarity and make a meaningful impact in their communities.

Six Evolving Practices in Indigenous Government Finances and Performance Reporting