• Joined Openbiz.io as Operations Manager in July 2026.
• Progressed from Junior Accountant to Accounting Leader at Prodezk between 2022 and 2026.
• Coordinates federal and state tax preparation and supports IRS-compliant accounting processes.
• Brings experience in U.S. GAAP, financial reporting, audit, internal controls and multi-state tax risk mitigation.
• Uses Zoho and QuickBooks to improve process integrity and real-time financial visibility.
• Contributes to Openbiz as an author and technical reviewer of accounting and tax content.
Operations Manager — Openbiz.io, July 2026–Present.
Accounting Leader — Prodezk, November 2023–July 2026.
Accountant — Prodezk, November 2023.
Junior Accountant — Prodezk, November 2022–November 2023.
Student Intern — Schlumberger, January–July 2022.
Consultant — Canasto Picnic Bistro, August–December 2020.
Accounting Intern — KPMG, July 2019–January 2020.
Sebastián Mejía is Operations Manager at Openbiz.io and an accounting operations specialist focused on U.S. GAAP, IRS compliance, federal and state tax preparation, and financial reporting.
His professional experience combines accounting leadership, audit, internal controls, and process improvement. Before joining Openbiz, he advanced from Junior Accountant to Accounting Leader at Prodezk, after earlier roles at KPMG, Schlumberger, and Canasto Picnic Bistro.
At Openbiz, Sebastián applies his experience in accounting systems, operational control, and tax compliance to support accurate and reliable financial processes. He also contributes as an author and technical reviewer of content related to U.S. accounting, taxation, and regulatory compliance. He works with Zoho and QuickBooks to maintain clear, timely financial information.
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We are a Certifed Acceptance Agent by the Internal Revenue Service (IRS)
Openbiz is a private firm that supports global founders with U.S. business structuring, tax filing, and bookkeeping. Our team includes accountants and registered tax professionals to ensure accuracy and compliance. Openbiz is not affiliated with any U.S. government agency and does not provide personalized legal advice.
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