Esteban Guerra

Operations leader with 8+ years of experience combining financial operations, accounts receivable, collections, customer operations, and people leadership for U.S.-based organizations. Hands-on experience with cash application, reconciliation, unapplied payments, billing workflows, aging reports, collections, payment plans, KPI management, and account financials. Proven record of improving gross margin, reducing attrition, scaling operations, and using Excel and Power BI to support data-driven decisions.

Accounts Receivable Specialist at D & S (2025-01 – Present)

• Manage accounts receivable activities including collections, cash application, account reconciliation, and billing workflows to support accurate financial records and timely revenue recovery.
• Oversee unapplied payments and payment backlogs, coordinating follow-up actions to maintain account accuracy and cash-flow visibility.
• Generate aging and financial reports to identify receivable trends, support audits, and inform collection priorities.

Accounts Receivable Specialist at USA Law Firm (2024-07 – 2025-01)

• Managed AR and collections for 200+ clients, supporting timely payment, account accuracy, and resolution of outstanding balances.
• Processed invoice payments, reconciled accounts, and conducted recurring audits to maintain billing accuracy and compliance.
• Negotiated structured payment plans and prepared monthly aging and status reporting for management.

Operations Manager at Foundever (2023-06 – 2024-06)

• Led the operational and financial ramp-up of a U.S. motorcycle account from 0 to 45 FTEs, coordinating staffing, performance, quality, and account financials.
• Applied Lean Six Sigma to improve process performance, reaching 90% KPI performance by Month 3 and maintaining an 85% overall average.
• Delivered positive gross margin despite unexpected ramp costs through cost management and operational planning.

Operations Manager Track Trainee at Foundever (2021-11 – 2023-06)

• Directed a 150-person collections and customer service operation for a major U.S. financial institution with accountability for performance, customer outcomes, and financial results.
• Outperformed Gross Margin targets by an average of 6% across management cycles through operational and cost optimization.
• Reduced monthly agent attrition from 25% to 2.5% within six months and increased eNPS from 40 to 75.

Supervisor at Foundever (2018-06 – 2021-10)

• Led bilingual collections and customer service representatives while maintaining monthly recovery, quality, and compliance targets.
• Used KPI analysis, coaching, and SMART action plans to address performance gaps and improve operational outcomes.
• Managed daily administrative workflows including payroll, attendance, and timesheets.

Mechatronic Technologist – Institución Universitaria Antonio José Camacho (2013 – 2017)