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Izan Tahir

@izantahir

Assurance senior at EY Toronto auditing ASC 606 revenue and owning Preparify’s SaaS revenue stack.

Canada
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At EY Toronto, I audit revenue across SaaS and AI, usage-based retail energy, and SEC-listed carve-outs. My work has included testing Just Energy’s revenue from meter data through billing to the general ledger, and auditing revenue recognition and acquisition accounting at Beacon Software.

At Amrize Ltd, I performed U.S. GAAP audit procedures through its first reporting cycle as an independent SEC registrant. I tested the design and operating effectiveness of revenue controls, including process-level and management review controls.

I founded Preparify, an AI-powered SaaS platform for accounting students pursuing Big 4 recruiting, and own its revenue stack end-to-end—from billing and invoicing through recognition and reconciliation to the general ledger. I also designed its chart of accounts and billing-to-GL controls.

I use Python to automate reconciliations and detect anomalies in client and product usage data. I’m a CPA Ontario candidate, with licensure expected in December 2026.

Experience

Work history, roles, and key accomplishments

Ernst & Young LLP logoEL

Staff Audit Intern, Assurance

Jun 2022 - Aug 2023 (1 year 2 months)

Performed PCAOB audits for multinational corporations across consumer goods, construction, and asset management sectors. Recalculated and forecast investor ratios for fund clients.

Education

Degrees, certifications, and relevant coursework

Western University logoWU

Western University

Post-Graduate Diploma in Accounting, Accounting

2024 - 2024

Post-Graduate Diploma in Accounting completed to accelerate the CPA pathway, earning four CPA exam exemptions.

Western University logoWU

Western University

Bachelor of Accounting (Honours), Accounting

2020 - 2024

Grade: 3.8

Activities and societies: Dean's Honor Roll, Merit Leadership Award, Academic Excellence Award, Best International Student Award, Social Science Award

Bachelor of Accounting (Honours) with a GPA of 3.8, Dean's Honor Roll, and multiple academic awards.

Udacity logoUD

Udacity

Python for Data Analysis & Automation, Data Analysis & Automation

Certification in Python for Data Analysis & Automation.

Tech stack

Software and tools used professionally

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