Addison Diaz

Assisted auditors with the completion of audit testing of accounts including cash, fixed assets, prepaid expenses, and current liabilities across six different for-profit and non-profit clients over a two-month period. Drafted audit memorandums for the accounting treatment of certain transactions in a timely manner, utilizing research from the Financial Accounting Standards Board and relevant client documents. Completed fieldwork with colleagues, fostering relationships with fellow auditors and audit clients and ensuring the audit went smoothly and efficiently.

Audit Intern at Ryan, Gunsauls, & O’Donnell, LLC (2026-06 – Present)

• Assisted auditors with the completion of audit testing of accounts including cash, fixed assets, prepaid expenses, and current liabilities across six different for-profit and non-profit clients over a two-month period.
• Drafted audit memorandums for the accounting treatment of certain transactions in a timely manner, utilizing research from the Financial Accounting Standards Board and relevant client documents.
• Completed fieldwork with colleagues, fostering relationships with fellow auditors and audit clients and ensuring the audit went smoothly and efficiently.
• Assisted tax department with the preparation of federal form 1040s through the creation of review workpapers, completion of initial reviews of returns, and organization of tax documents for use by preparers.

Cashier at McGuckin Hardware (2025-08 – 2026-04)

• Provided accurate and knowledgeable transactions, escorted patrons with their items, and collaborated with colleagues with a focus on top-of-the-line customer service.
• Executed merchandise returns and exchanges, helping customers make well-informed purchases to increase both store sales and customer fulfilment.
• Communicated with department managers and store security to prevent asset shrinkage daily, ensuring a safe environment for both staff and employees.

Tax Intern (seasonal) at DWC CPAs and Advisors (2024-05 – 2025-01)

• Organized client documents for preparers, drafted response letters to tax authorities, and built trial balances to assist tax professionals in the office.
• Completed administrative tasks such as scanning, organizing the client vault, and scheduling client meetings.
• Prepared federal forms, including 1040s, 1120-Ss, and 5500s under the guidance of CPAs, accurately, while meeting strict deadlines and complying with IRS regulations.
• Collaborated with the bookkeeping professionals to assist with account reconciliation, maintaining 100+ client engagements.

Supervisor (seasonal) at Brenden Theatres (2023-04 – 2024-08)

• Mentored a team of 10-15 floor staff, fostering early professional skills to ensure a quality guest experience
• Collaborated with management to execute marketing decisions, performed accurate daily cash reporting
• Managed stock room and concessions inventory hourly to ensure accurate inventory counts and maintain operations.

Master of Taxation – University of Colorado Boulder (2026-08)

Bachelor of Science in Business Administration in accounting – University of Colorado Boulder – Leeds School of Business (2023-08 – 2026-05)