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Janiff Sánchez

@janiffsnchez

Accounting and internal controls executive at MASAIR who detected Accounts Payable fraud and redesigned supplier payment management.

Mexico

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At MASAIR, I led an accounting team and directed monthly and annual financial close processes. I redesigned weekly supplier payment management to improve decision-making efficiency and cash flow prioritization, and detected Accounts Payable fraud through internal control testing.

At Siemens Healtcare, I led Internal Control activities across Latin America and implemented Enterprise Risk Management based on the COSO Framework. I also established quarterly risk review workshops with executive leadership and created the Anti-Fraud Committee.

Earlier, at Siemens S.A. and Siemens Healthcare Diagnostics, I implemented and standardized internal control methodologies and identified MXN 13 million in returned products without corresponding credit notes. At Canon Mexicana, I conducted warehouse audits and risk assessments and implemented detective controls.

Experience

Work history, roles, and key accomplishments

Head of Accounting

Masair

Oct 2024 - Nov 2025 (1 year 1 month)

Led an accounting team of 8 direct reports, directed monthly and annual financial close processes, and prepared and analyzed financial statements. Implemented accounting processes, strengthened internal controls, and coordinated external audits.

Internal Controls Financial Reporting Variance Analysis Bank Reconciliation Cash Flow Planning Odoo ERP Leadership Fraud Detection

Internal Control Manager

Siemens Healthcare

Jul 2016 - Aug 2019 (3 years 1 month)

Led Internal Control activities across Latin America, implemented Enterprise Risk Management based on the COSO Framework, and conducted risk assessments and ICFR evaluations. Coordinated quarterly risk workshops with senior management and led special audits and anti-fraud initiatives.

Internal Controls ERM COSO framework Risk Assessment ICFR Anti Fraud Leadership

Senior Auditor

Siemens S.A.

Jun 2011 - Jun 2016 (5 years)

Defined SOA control requirements, identified and documented key controls, and executed internal control assessments. Identified control deficiencies and developed remediation plans.

SOA Internal Controls Risk Assessment remediation

Senior Accountant

Siemens Healthcare Diagnostics

Jan 2010 - Jun 2011 (1 year 5 months)

Supervised Accounts Payable, Fixed Assets, and Financial Reporting, prepared inventory reports, and implemented Internal Control methodology and RIC tools. Identified MXN 13 million in returned products without corresponding credit notes.

Accounts Payable Fixed Assets Financial Reporting Inventory Internal Controls

Senior Auditor / Budget

Canon Mexicana

Jan 2007 - Jun 2009 (2 years 5 months)

Managed foreign exchange purchases and investments, conducted warehouse audits and inventory reviews, and performed risk assessments. Implemented detective controls and reduced warehouse delivery deviations.

Foreign Exchange Warehouse Audits and Inspections Inventory Risk Assessment Detective Controls