Maximilian MacUlewicz

Governance, Risk & Compliance | SOX 404 | Risk-based Assurance | 2LoD

Role
Manager, Grc - IT Sox at Mattel, Inc.
Location
Los Angeles, CA, US
LinkedIn followers
500 followers

About Maximilian MacUlewicz

Enthusiastic team builder with over 10 years of progressive experience in assurance services, including public accounting (Big 4), internal audit (Fortune 500), and SOX compliance (Business Process & IT Risk) with hands-on involvement across all three lines of defense. Successfully led and completed dozens of cross-functional audits, SOX compliance, financial due diligence, and strategic projects while building strong business partner relationships, fostering peer collaboration, and conveying complex information clearly and concisely to senior leadership. Worked with ERP systems (SAP, Oracle, Workday), audit software (TeamMate, Archer, AuditBoard), and data analytics tools (Excel, Power BI, Alteryx, SQL) as part of audit and SOX compliance engagements

Experience

  1. Manager, Grc - IT Sox

    Mattel, Inc.

    Sep 2025 — Present · Redondo Beach, CA, US

    Our team is responsible to help the Global Technology organization meet its IT SOX compliance requirements. We perform risk assessments, SOX readiness activities, control design evaluations, execution and monitoring, remediation activities and provide continuous SOX training to strengthen Mattel’s compliance culture.

Education

  • UC Santa Barbara

    Bachelor's degree, Business Economics with emphasis in Accounting

Skills

  • Accounting
  • Corporate Finance
  • Completed Cpa Relevant Courses
  • Financial Analysis
  • Finance
  • Microsoft Office
  • Microsoft Office 2007
  • Microsoft Powerpoint
  • Ability to Multi-Task
  • Auditing
  • Internal Audit
  • Posses Teamwork and Collaboration Skills
  • Financial Accounting
  • Powerpoint
  • Microsoft Excel
  • Highly Efficient and Detail Oriented
  • Microsoft Word
  • Proficient in Microsoft Office
  • Strong Verbal and Written Communication Skills

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Maximilian MacUlewicz — Manager, Grc - IT Sox at Mattel, Inc. in Los Angeles, CA, US | Unifers