Professional Summary
Overview
Work History
Education
Skills
Accomplishments
Timeline
Corporate Sponsored Education

Greg Stiefel

Lumen Technologies
Tucson,AZ
Greg Stiefel
21
years of professional experience

Results-driven credit and collections leader with 20+ years of experience in finance and operations. Brings strong decision-making, coaching, and cross-functional collaboration skills to improve service delivery, reduce losses, and support compliance. Proven record of managing staffing, budgets, and performance standards across multiple billing platforms.

Work History

Manager Credit & Collections

8 Years 10 Months
Lumen Technologies | 05.2017 - 03.2026

Led credit and collections call center operations across multiple business segments with responsibility for planning, staffing, and budget execution. Drove recruiting, training, coaching, and performance evaluation to align teams with strategic objectives. Established performance and compliance standards through goal setting for direct reports and support staff. Developed management controls using data analysis to identify issues, reduce losses, control costs, and drive process improvement. Oversaw $300 million in monthly collection receivables across multiple billing platforms. Contributed to policy and procedure design, directed day-to-day execution, maintained federal and state compliance, strengthened communication practices, and supported internal, external, and union-company relationships.

  • Led cross-functional teams to improve service delivery, escalation handling, and customer issue resolution.
  • Directed operational reviews to align workflows with telecom service standards and client commitments.
  • Managed performance tracking, using dashboards to identify delays and strengthen process consistency.

Finance Credit Analyst - Federal

12 Years 7 Months
Lumen Technologies | 10.2004 - 05.2017
  • Approved credit limits and terms aligned with exposure, compliance, and billing policies.
  • Monitored delinquent accounts and resolved disputes through coordination with billing and customer’s.
  • Negotiated payment arrangements with customers to reduce exposure and maintain cash flow.
  • Monitored customer accounts routinely to identify and mitigate issues and prevent losses.
  • Enhanced customer relationships through effective communication of complex financial information, contributing to loyalty and retention.
  • Collaborated with other teams to identify and mitigate risks impacting organization.
  • Monitored delinquent accounts and resolved disputes through coordination with billing and collections teams.

Education

No Degree - General Studies

Bismarck State College | Bismarck, ND

Skills

Microsoft Office Suite
Microsoft 365 Assistant
Decision-making
Performance evaluations
Data analysis
Staff training and development
Team leadership
Accounts receivable management
Collections strategy development

Accomplishments

  • 2012 VP Award - reduced company bad debt by 90%

Timeline

Manager Credit & Collections

Lumen Technologies
05.2017 - 03.2026Read More

Finance Credit Analyst - Federal

Lumen Technologies
10.2004 - 05.2017Read More

Bismarck State College

No Degree from General Studies
Read More

Corporate Sponsored Education

  • Coaching for results
  • Diversity in the workplace
  • Dare to lead
  • AI in the workplace
  • Intro to SAP Financial systems
Greg Stiefel