Sofia Des Prahesti

Finance and Administration professional with 20+ years of experience and 13+ years in a Section Head role at Rejeki Toyota. Experienced in finance and administrative operations, process control, cross-branch coordination, data accuracy, reporting, and staff supervision. Strong track record of improving operational accuracy and efficiency, with hands-on expertise in Microsoft Office, Excel, Google Workspace, and structured administrative workflows.

Section Head, Finance & Administration at REJEKI TOYOTA (2012-01 – Present)

Lead finance and administration operations, maintaining accuracy, process control, and coordination across departments and branches.

• Supervise and mentor administrative staff, supporting consistent procedures, accuracy, and timely completion of operational tasks.
• Strengthened sales, inventory, and administrative data controls, contributing to a 98% reduction in data discrepancies.
• Improved stock opname controls, reducing mismatches by 90%.
• Streamlined inter-branch transfer processes, improving processing speed by 30%.
• Mentored junior staff and improved work quality, reducing errors by more than 50%.
• Received Best Head Administration award within the company group of five branches in 2023.

AI Training Data Contributor at HumanSignal / Label Studio (2026-01 – Present)

Structured data annotation, verification, and quality-focused task execution.

Freelance Design & AI Data Contributor at Postwork (2025-01 – Present)

Remote project-based work requiring accuracy, adherence to detailed instructions, and independent task management.

AI Training Data Contributor at Clickworker (2024-01 – Present)

Web verification and structured data labeling tasks.

Digital Content Creator & Self-Published E-book Author at Self-Employed (2025-01 – Present)

Created and published 6+ digital e-books, managing content, layout, formatting, and end-to-end production.

Diploma in Economics in Economics – Padjadjaran University (UNPAD) (1997-01 – 2000-01)