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Sheryl Freeman Email & Phone Number

Auditor III at Astreya
Location: Claremore, Oklahoma, United States 8 work roles
1 work email found @masergy.com 1 phone found area 818 LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 1 phone

Work email s****@masergy.com
Direct phone (818) ***-****
LinkedIn Profile matched
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Current company
Role
Auditor III
Location
Claremore, Oklahoma, United States

Who is Sheryl Freeman? Overview

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Sheryl Freeman is listed as Auditor III at Astreya, based in Claremore, Oklahoma, United States. AeroLeads shows a work email signal at masergy.com, phone signal with area code 818, and a matched LinkedIn profile for Sheryl Freeman.

Sheryl Freeman previously worked as Network Cost Analysis & Reporting Manager at Masergy and Network Cost Auditor at Sage Management.

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Email format at Astreya

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{first}.{last}@masergy.com
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Profile bio

About Sheryl Freeman

Detail-oriented, hands-on Telecommunications Margin Assurance and Carrier Relations Director/Manager/Senior Audit Analyst skilled in managing Domestic and International Network Costs, Revenue Assurance and volume discount plans. Skilled in advising on contract creation and compliance for telecom expenses in both regulated and contract environments. Experience and track record in building, training and leading successful Network Cost Management teams at five telecom companies as both a Manager and Director. Experienced in auditing and validating carrier invoices against PO’s, tariffs and contracts. Successfully established proactive cost improvement measures including creating circuit inventories, root-cause billing error analysis and improvement of accrual processes. Able to interface effectively with multiple departments and all levels of management up to the CEO to ensure accurate costs, records and reporting at both micro and macro levels. Experienced in Vendor Management, Revenue Assurance and dispute resolution.Specialties: Line Cost Audit, Network Cost Optimization, Network Cost Analysis, Carrier Relations, Data miningOTHER RELEVANT EXPERIENCE:Birch Telecom, Kansas City, Missouri - MARGIN ASSURANCE/LINE COST/ACCESS REVENUE MANAGERICG Communications, Englewood, Colorado - COST ANALYST III, LINE COSTSprint Long Distance, Kansas City, Missouri - PROCESS ANALYST, ACCESS VERIFICATIONConsolidated Communications, Inc., St. Louis, Missouri - TELECOMMUNICATIONS COST ANALYSTIndependent Telecommunications Network (Illuminet/Verisign) - FACILITIES BILLING ANALYST

Listed skills include Carrier Relations, Auditing, Telecommunications, Wireless, and 25 others.

Current workplace

Sheryl Freeman's current company

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Astreya
Astreya
Auditor III
AeroLeads page
8 roles

Sheryl Freeman work experience

A career timeline built from the work history available for this profile.

Auditor Iii

Current

Oklahoma, United States

Assist with multiple audit projects for managed services customers, including telecom vendor billing vs. contractual pricing and vendor delivery performance vs. contractual expectations. Perform critical financial analysis on an ad hoc basis.

Oct 2023 - Present

Network Cost Analysis & Reporting Manager

Plano, Texas, United States

Provide recommendations to the executives for network cost planning and controls including identification of invalid invoice charges, providing dispute detail, and negotiating disputes to resolution with Masergy's domestic and international network providers, including international vendors paid in non-US currency. Provide relevant fiscal information to executive management team. Select, develop, and evaluate personnel to ensure the efficient operation of the Network Cost Team. Manage a remote team of seven Network Cost Analysts located in Manila. Implemented Autopay project with Xenosoft to improve analyst productivity. Managed transition of Masergy US invoices to Synchronoss Razorsight invoice payment platform from XTGlobal Xenosoft and trained my team on the new platform. Review and approve all invoices approved and disputes filed by my team. Created monthly reporting for blended systems with use of Razorsight Business Objects reports. Experience with Landscape Inventory system.

May 2021 - Sep 2023

Network Cost Auditor

Telecom auditor experienced in auditing and validating carrier invoices against PO’s, tariffs and contracts. Worked on projects including extracting payment & SLA details from telecom contracts to be imported into a database platform and revenue assurance. Established a process to perform an ATT ASE Network Availability Audit and file disputes at the LATA level as required in the Service Guide. Revenue Assurance project comparing billed revenue to circuit expense at the customer level. Experienced in Vendor Management and dispute resolution.

Oct 2020 - May 2021

Senior Manager, Network & Energy Cost Management

Frisco, Tx

Manage & coach a team of fourteen telecom network & energy cost auditors. Spearhead reconciliation of T-Mobile/AT&T Ethernet services contracts including all data analysis, contract calculations, review of pending amendments & support for RSA’s. Managed transition from Synchronoss Razorsight to TEOCO BTOD in April 2020. Helped design TEOCO audit to short pay AT&T ECARS in advance for $90M per month savings. The process I created to file MTTR & Service Interruption SLA outages on Ethernet services with AT&T nets credits averaging $175K per month. I also train & mentor co-workers and analysts in MS Access & Business Objects query development, telecom circuit knowledge, dispute creation & tariff interpretation which has greatly improved the productivity of the entire auditing team. In 2019 our new team hit 167% of our 2019 annual dispute goal of $70M. Despite the pandemic, system conversion and merger, our team was on track to meet our 2020 dispute and savings goals. After I joined the T-Mobile team in July 2010, the total team disputes doubled every quarter in 2011 & disputes for the team in 2015 were four times as high as 2010 with less personnel.

Mar 2019 - Oct 2020

Senior Network Cost Manager

Frisco, Tx

Spearhead reconciliation of T-Mobile/AT&T Broadband/Ethernet services contracts including all data analysis, contract calculations, review of pending contract amendments and support for RSA’s. Continue to create automated audits in Razorsight to dispute invalid charges for Broadband services. Maintain & create multiple MS Access databases to analyze the invoice and inventory data. The automated monthly recurring contract disputes that I programmed in Razorsight to withhold the AT&T BSA & ICB contract credits in the month earned has shortpaid over $2B since 2014. I also developed a process for disputing MTTR and Service Interruption SLA outages on Ethernet services with AT&T that nets credits averaging $145K per month. Responsible for analysis for SOX control for circuit correlation.With the team’s transition from Bellevue, WA to Frisco, TX in mid-2018, I trained the new auditors in Frisco and assisted with the transition of work. The team still beat our annual dispute goal of $60M by 156%, even with losing 4 of the 6 original auditors and with a new management team.

Jun 2018 - Mar 2019

Senior Analyst, Network Cost

Bellevue, Wa

Spearhead reconciliation of AT&T Broadband services contracts including all data analysis and contract calculations for over 35,000 DS1’s and about 11,000 cell sites. Received credits of over $29M with pending amount of another $35M in 2011.Research other CABS and CRIS billing issues in MS Access through an ODBC connection to the BillTrakPro and Razorsight databases and Business Objects queries into the Granite Facility Management and Razorsight databases. Package and file disputes and help correct data integrity issues discovered in Granite.We transitioned to Razorsight from BillTrakPro in 2012. Between disputes and contract settlements, my efforts yielded over $450M in credits for T-Mobile from AT&T & other carriers. Train and mentor co-workers in MS Access query development, tariff research and interpretation, and increase basic telecom billing knowledge. Maintain the Auditing Strategy Database and reporting. Help refine and implement the Auditing Calendar with monthly, quarterly and annual audits.

Jul 2010 - Jun 2018

Manager, Carrier Cost Control

Norlight, Inc.

Provide guidelines, training, and supervision for five analysts auditing $2.5M in carrier expenses per month for switched access and network facilities ordered under tariffs and contracts. Ensure data integrity and enhanced functionality of circuit and dispute databases. Assist with contract, carrier relations and regulatory duties related to Line Costs for carrier/vendors including dispute negotiation, settlement and term discounts. Manage integration of circuit inventories for Cinergy/Norlight merger. Provide Revenue Assurance support to product pricing analysts for new and re-termed customers. Spearheaded volume discount plan with AT&T including persuading AT&T to change the existing Ameritech tariff language so that we could subscribe to the DCP, saving $5M over five years in monthly recurring cost and elimination of term liabilities. Systems used included ACES and Metasolv inventory.

Mar 2007 - Jul 2010

Director, Carrier Accounting & Assurance

Provide guidelines, training & supervision for 1 manager & 5 analysts auditing $7.5M in carrier expenses per month for network facilities & collocations ordered under tariffs & contracts. Develop systems needed for process improvement in Line Cost, provisioning & network planning. Ensure data integrity & enhance functionality of Line Cost databases. Manage contract, carrier relations & regulatory duties related to Line Costs for carrier vendors including dispute settlement.Provided cost analysis of the FCC’s TRRO ruling & its financial & operational consequences for TelePacific legacy costs & its impact on our impending Pac-West acquisition. Research line cost issues for other departments & develop detailed cost information for cost of service studies and M&A activity. Monitor invoice data for least-cost routing issues & refer to Network Planning for correction. Prepared monthly Line Cost reporting for SVP of Engineering & Operations. Developed reporting to track high-mileage customer circuits highlighting provisioning & hubbing errors so that internal processes & procedures could be corrected. Worked with Carrier representatives to facilitate migration of acquired services from Pac-West, including supersedure of circuits, creation of new BAN’s & migration cost abatement.Researched UNE-P alternatives because of the FCC’s final TRRO ruling in Mar 2005, obtained approvals necessary for Marketing to review those alternatives & provided revenue assurance analysis. Worked with IT & Engineering on project to disconnect non-revenue generating circuits. Identified a potential of $60K per month in missed disconnects & realized $123K in one-time dispute savings. Reduced the average cost per revenue generating circuit from $235 to $207 per month on a base of over 20,000 T1’s and savings of $560K per month by identifying optimization opportunities & root cause analysis of high-cost customer circuits. Recommended & implemented ACES Line Cost management solution.

Oct 2004 - Nov 2006
FAQ

Frequently asked questions about Sheryl Freeman

Quick answers generated from the profile data available on this page.

What company does Sheryl Freeman work for?

Sheryl Freeman works for Astreya.

What is Sheryl Freeman's role at Astreya?

Sheryl Freeman is listed as Auditor III at Astreya.

What is Sheryl Freeman's email address?

AeroLeads has found 1 work email signal at @masergy.com for Sheryl Freeman at Astreya.

What is Sheryl Freeman's phone number?

AeroLeads has found 1 phone signal(s) with area code 818 for Sheryl Freeman at Astreya.

Where is Sheryl Freeman based?

Sheryl Freeman is based in Claremore, Oklahoma, United States while working with Astreya.

What companies has Sheryl Freeman worked for?

Sheryl Freeman has worked for Astreya, Masergy, Sage Management, T-Mobile, and Norlight, Inc..

How can I contact Sheryl Freeman?

You can use AeroLeads to view verified contact signals for Sheryl Freeman at Astreya, including work email, phone, and LinkedIn data when available.

What skills is Sheryl Freeman known for?

Sheryl Freeman is listed with skills including Carrier Relations, Auditing, Telecommunications, Wireless, Contract Negotiation, Contract Negotiations, Problem Solving, and Process Improvement.

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