Snapshot and Years of Experience

Karissa Cost has over 20 years of tax and leadership experience, primarily with a ‘Big 4’ public accounting firm and $9 billion multi-national corporation. Her core proficiencies are tax reporting and tax compliance for highly transactional, publicly traded, global corporations. Additionally, Karissa holds substantial consulting and hands-on experience in tax process redesign, technology, and transformation initiatives.

Tax Accounting

• Global consolidation of Non-GAAP and GAAP tax provisions and related balance sheet accounts on a monthly, quarterly, and annual basis
• Tax accounting for federal, state, non-US, and topside operations
• GILTI, FDII, foreign tax credits, 163(j), BEAT, and transition tax 
• Uncertain tax positions and valuation allowance calculations/documentation
• Internal control design and risk-management practices under SOX 404 
• Audit of tax provisions in accordance with US GAAP and/or IFRS
• Effective tax rate and cash tax forecasting
• Deferred tax studies and current tax account proofs
• Opening balance sheet and acquisition accounting with transaction cost analysis

Tax Compliance

• Consolidated, federal, and state corporate income tax filings
• Pass-through entity tax returns with basis tracking
• Tax reform computations, including E&P analysis
• Tax controversy
• Country-by-country reporting

Tax Planning and Project Management

• Modeling for effective tax rate, cash tax, and attribute utilization initiatives
• Accounting method changes
• Tax basis balance sheets
• Domestic legal entity rationalizations
• Tax implications for transactions under IRC Sections 332, 351, 355, and 368
• Tax operating model design post-acquisition/divestiture 
• Tax-specific ERP considerations and efficiencies
• Development of multiple tax reporting and compliance tools 
• Tax software implementations or conversions
• Tax process redesign/automation/standardization

Tax Technology Experience

• Corptax, ONESOURCE, Longview
• Advanced Microsoft Excel plus Microsoft Word, PowerPoint, Outlook
• Alteryx
• Lawson, SAP, S/4 Hana, HFM, Essbase