Senior Analyst
Current
Jan 2024 - Present
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Mark Closson Email & Phone Number
Senior Analyst
at
National Grid
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Analyst
Location
Greater Syracuse-Auburn Area, United States, United States
Company size
Who is Mark Closson? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Mark Closson is listed as Senior Analyst at National Grid, a company with 11558 employees, based in Greater Syracuse-Auburn Area, United States, United States. AeroLeads shows a matched LinkedIn profile for Mark Closson.
Mark Closson previously worked as Regional Operations Manager at At&T and Lead Billing Ops at At&T. Mark Closson holds Bachelor Of Science (B.S.), Management & Leadership from Le Moyne College.
Company email context
Email format at National Grid
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National Grid
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Profile bio
About Mark Closson
An analytical and collaborative leader with several years of progressive billing experience in complex, multi-site organizations. Proven ability to streamline business operations that drive growth and increase efficiency; leveraging my knowledge, experience and effective communication skills. Lead root cause analysis efforts and project manage process improvements for the purpose of minimizing future errors. Assist in leading teams through challenges while developing lasting relationships across all levels of the organization.
Current workplace
Mark Closson's current company
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National Grid
6 roles
Mark Closson work experience
A career timeline built from the work history available for this profile.
Regional Operations Manager
Led the coordination of the end-to-end settlement offer process in conjunction with the Sales Team, CFO and AT&T Legal Team. Prepared business cases, calculated credits, and secured the appropriate approval for settlement offers extended to clients meeting a specific criterion.
Oct 2019 - Oct 2023
Lead Billing Ops
Interpreted contract documents to ensure that billing was performed and complied with all contract terms. Specialized in one or more billing areas and leading process improvement efforts to better the effectiveness, accuracy and delivery of billing information for a dedicated group of customers.
Apr 2016 - Oct 2019
Billing Service Manager
Owned the customer billing experience as the primary advocate and interfaced across several global clients, including Citigroup, Goldman Sachs, and Morgan Stanley. Escalated unresolved issues per the internal service level agreements.
Feb 2001 - Apr 2016
Customer Sales & Service Specialist
Jun 1996 - Feb 2001
Communications Assistant
Mar 1993 - Jun 1996
Team & coworkers
Colleagues at National Grid
Other employees you can reach at nationalgrid.com. View company contacts for 11558 employees →
JH
Jan Hartley
Colleague at National Grid
West Midlands, England, United Kingdom, United Kingdom
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JC
James Crone
Colleague at National Grid
Buffalo, New York, United States, United States
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PL
Phil L'Esperance
Colleague at National Grid
Greater Boston, United States
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CW
Cameron Willetts
Colleague at National Grid
Somerset, England, United Kingdom, United Kingdom
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AI
Alyssa Iaia
Colleague at National Grid
Auburn, New York, United States, United States
View →
DG
Daniel Gossage
Colleague at National Grid
West Midlands, England, United Kingdom, United Kingdom
View →
DT
Darren Thomas
Colleague at National Grid
Greater Coventry Area, United Kingdom
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MM
Michael Middleton
Colleague at National Grid
Fayville, Massachusetts, United States, United States
View →
AL
Ann Leary
Colleague at National Grid
Haverhill, Massachusetts, United States, United States
View →
SI
Shotov Irina
Colleague at National Grid
Waltham, Massachusetts, United States, United States
View →
Jan Hartley
Colleague at National Grid
West Midlands, England, United Kingdom, United Kingdom
View →
JC
James Crone
Colleague at National Grid
Buffalo, New York, United States, United States
View →
PL
Phil L'Esperance
Colleague at National Grid
Greater Boston, United States
View →
CW
Cameron Willetts
Colleague at National Grid
Somerset, England, United Kingdom, United Kingdom
View →
AI
Alyssa Iaia
Colleague at National Grid
Auburn, New York, United States, United States
View →
DG
Daniel Gossage
Colleague at National Grid
West Midlands, England, United Kingdom, United Kingdom
View →
DT
Darren Thomas
Colleague at National Grid
Greater Coventry Area, United Kingdom
View →
MM
Michael Middleton
Colleague at National Grid
Fayville, Massachusetts, United States, United States
View →
AL
Ann Leary
Colleague at National Grid
Haverhill, Massachusetts, United States, United States
View →
SI
Shotov Irina
Colleague at National Grid
Waltham, Massachusetts, United States, United States
View →
1 education record
Mark Closson education
FAQ
Frequently asked questions about Mark Closson
Quick answers generated from the profile data available on this page.
What company does Mark Closson work for?
Mark Closson works for National Grid.
What is Mark Closson's role at National Grid?
Mark Closson is listed as Senior Analyst at National Grid.
Where is Mark Closson based?
Mark Closson is based in Greater Syracuse-Auburn Area, United States, United States while working with National Grid.
What companies has Mark Closson worked for?
Mark Closson has worked for National Grid and At&T.
Who are Mark Closson's colleagues at National Grid?
Mark Closson's colleagues at National Grid include Jan Hartley, James Crone, Phil L'Esperance, Cameron Willetts, and Alyssa Iaia.
How can I contact Mark Closson?
You can use AeroLeads to view verified contact signals for Mark Closson at National Grid, including work email, phone, and LinkedIn data when available.
What schools did Mark Closson attend?
Mark Closson holds Bachelor Of Science (B.S.), Management & Leadership from Le Moyne College.
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