Shelem Celis
Public Policy | Government Administration & Community Engagement | Renewable Energy Operations | International Education
- Role
- Billing Specialist at Pearce Services
- Location
- Washington, DC, US
- LinkedIn followers
- 500 followers
Experience
Billing Specialist
Jun 2021 — Present · Costa Mesa, CA, US
Generate and process 60–80 invoices daily for national corporate clients, including Tesla, Electrify America, and EVgo, ensuring accuracy, compliance, and timely delivery.Support team lead and management by coordinating accounts payable activities and resolving billing discrepancies in collaboration with finance and operations teams.Manage and negotiate the annual renewal of billing contracts for a portfolio of 35 corporate clients, ensuring terms are updated to reflect service changes, financial alignment, and long-term client retention goals.Utilize Salesforce to track client interactions, contract lifecycles, invoicing workflows, and performance metrics, enabling data-driven decision-making and improved account management.Lead onboarding and training for new hires and regional team members on invoicing platforms, Salesforce use, billing policies, and customer account protocols to ensure consistency and operational efficiency.
Education
American University
Masters, International Relations and National Security Studies
2021 — 2022
Bahcesehir University
Bachelor’s Degree, International Relations and Affairs
2015 — 2016
Syracuse University
Bachelor’s Degree, International Relations and Affairs
2013 — 2017
Pontificia Universidad Católica de Chile
Bachelor’s Degree, International Relations and Affairs
2016 — 2016
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