Antonio Williams

Wellnecity↗

5/2025 – 5/2026

Senior Product Operations Analyst – Product Operations | Financial Controls, Reconciliation Automation & Client Analytics

Winston Salem, NC (Remote from Atlanta, GA)

• Led financial controls and quarterly business reviews (QBRs) for the company's largest client — a 107,000-member health plan — reporting plan performance and medical cost trends against budget to inform strategic client decisions.
• Conducted deep-dive drill-down and episode-of-care analyses across place-of-service, condition cohorts, high-cost claimants, and pharmacy/therapeutic drug classes to isolate key cost drivers and surface actionable levers to reduce spend.
• Designed and deployed 7 Python-powered reconciliation workflows that freed the team from repetitive invoice and claims processing — validating client invoice totals against a BigQuery SQL source of truth and auto-distributing results so analysts could spend their time on client-facing analysis instead of manual checks.

QuantifyEdge↗

4/2023 – Present

Quantitative Analytics Developer, Researcher – Quantitative Finance | Systematic Trading

Atlanta, GA

• Architected proprietary Python/SQL models that detect real-time statistical anomalies across 15 years of 1-minute market data, flagging high-probability mean-reversion setups.
• Built a fully vectorized NumPy backtesting engine parallelized across 24 CPU workers to validate every signal over 15+ years of historical data, quantifying edge before any capital is committed.
• Deliver real-time analytics and alerts for high-impact statistical events through a live multi-timeframe charting platform, enabling immediate action on rare opportunities.

TrendLab Analytics↗

10/2018 – Present

Independent Data, AI & Automation Consultant – Freelance | Python Automation & Analytics for Small Businesses

Atlanta, GA (Remote)

• Built Python automations (Pandas, Openpyxl) that streamlined recurring Excel reporting for small-business clients — converting multi-hour manual processes into one-click, repeatable workflows with improved accuracy.
• Integrated AI and LLM tooling (Claude, agentic workflows) into client automations to accelerate development and add natural-language access to data and reporting.
• Automated PowerPoint deck production end-to-end, generating presentation-ready client reports from source data and giving the team back hours of manual formatting per cycle for higher-value work.

Blue Cross Blue Shield of North Carolina↗

12/2019 – 4/2023

Senior Business Intelligence Developer / Senior Data Engineer - Client Reporting Team | Analytics & Insights

Durham, NC (Remote from Atlanta, GA)

• Delivered ad hoc analytical support to Sales and Healthcare Consultants across a book of 45+ large-group and national clients, resolving questions on medical claims, utilization, and membership.
• Developed and presented annual claims-cost and utilization reports for 6 key clients, equipping stakeholders with insights that shaped strategic renewal conversations.
• Automated healthcare claims and membership reporting with Python and Tableau, compressing a recurring ~2-hour reporting task to ~15 minutes and giving the team that time back for higher-value analysis.

OneDigital Health and Benefits (formerly Northwestern Benefit Corporation)↗

4/2018 – 7/2019

Senior Analytics Consultant - Mid-Market / Large Market Clients

Atlanta, GA

• Projected healthcare costs and set budget rates for 10+ self-funded clients, recommending plan-design changes backed by recurring dashboard insights.
• Guided clients on plan utilization vs. benchmarks, actuarially pricing self-funded plans with optimized premium rates to ensure future cost coverage.
• Developed outcome-focused data visualizations through clear dashboards, enabling clients to understand the effectiveness of their healthcare strategies.

Regions Insurance Group (now McGriff, Seibels & Williams)↗

1/2015 – 3/2018

Senior Financial Analyst / Consultant – Employee Benefits Division - Mid-Market Clients

Atlanta, GA

• Monitored YTD and rolling 12-month financials with dynamic dashboards linked to predictive models for continuous forecasting.
• Produced underwriting and budget projections for self-funded clients, clearly communicating financial strategy to drive informed decisions.
• Delivered strategic recommendations to prospects, quantifying projected savings of up to 12% to drive client acquisition and win new business.

Willis Towers Watson↗

6/2014 – 11/2014

Senior Analyst II – Health and Group Benefits - Large-Market Clients

New York, NY

• Developed dynamic, Excel‐based financial models that synthesized complex claims and market data, enabling precise forecasting of healthcare cost risks and informed multiyear strategy planning.
• Engineered scenario-driven analyses using advanced spreadsheet techniques to translate raw data into actionable financial insights, empowering enterprise clients to swiftly optimize their plan performance.
• Mentored junior analysts in crafting custom models—integrating historical trends and sensitivity analysis—to assess alternative utilization scenarios for self-funded clients.

Aon Hewitt↗

12/2011 – 6/2014

Health and Benefits Analyst - Mid-Market Clients

Miami, FL

• Developed dynamic financial models to extract actionable insights for cost containment strategies, directly influencing employer group performance.
• Negotiated with top insurance carriers by presenting detailed forecasts and compelling PowerPoint exhibits, securing competitive benefits packages tailored to client needs.
• Constructed comprehensive claims projections and budget forecasts with advanced data analysis techniques, incorporating scenario planning and sensitivity analysis to model plan migrations accurately.

Anthem Blue Cross Blue Shield / WellPoint (now Elevance Health)↗

1/2009 – 12/2011

Group Underwriter I, Group Underwriter II (National Accounts) 500+ Employees - New Business and Renewals

Atlanta, GA

• Underwrote and priced medical, dental, and vision plans for a 21-employer group book of business, driving profitability and aligning with strategic growth targets.
• Managed risk exposure and margin performance, contributing to consistent year-over-year improvements in revenue, membership, and underwriting profit.
• Responded to RFPs/RFIs in highly competitive bid environments, playing a key role in winning major new business and retaining key accounts.