Sydney Nelson

Billing Analyst at ORBIS Corporation | UW-Madison Economics, Personal Finance & Consulting Graduate

Delafield, Wisconsin, United States

About

Recent University of Wisconsin–Madison graduate with a B.S. in Economics and Personal Finance and a minor in Consulting. Currently working as a Billing Analyst at ORBIS Corporation, supporting month-end close activities, billing operations, and financial reporting. I am a detail-oriented and analytically driven finance professional with experience analyzing financial data, identifying trends, and developing tools, databases, visualizations, and reporting solutions that support business decision-making. Skilled in working with large, complex datasets, including data cleaning, coding, and manipulation to generate actionable insights. I’m passionate about financial analysis, process improvement, and driving business performance through data-driven decision-making.

Experience

  • Billing & Tax Analyst at ORBIS Corporation
    Jun 2026 - Present · 1 mo

    • Perform month-end close activities and financial analysis, including billing variance analysis, general ledger reconciliations, journal entries, and sales tax reporting • Analyze and prepare customer invoices, investigate billing variances and trends, and identify process improvement opportunities while maintaining accurate accounts receivable records • Support internal controls, compliance, and audit activities through billing audits, credit/debit memo processing, and cross-functional collaboration

  • Finance & Data Analytics Intern at Cities and Villages Mutual Insurance Company
    May 2025 - Aug 2025 · 4 mos

    • Led ROI and profitability analysis on insurance claims data, identifying key drivers of financial performance across member accounts and multiple lines of coverage • Performed financial and statistical analysis on claims data to evaluate risk and support underwriting decisions • Built data visualizations to monitor risk exposure trends and inform strategic decision-making

  • Lead Host at Revere's Wells Street Tavern
    Jul 2020 - Jan 2025 · 4 yrs 7 mos

  • University Housing Front Desk Worker at University of Wisconsin-Whitewater
    Jan 2023 - May 2023 · 5 mos