State Tax Manager
Current
Sep 2020 - Present
AeroLeads people directory · profile
John Keffer Email & Phone Number
State Tax Manager
at
Graham Packaging
1 work email found
@grahampackaging.com
1 phone found area 717
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
State Tax Manager
Location
York, Pennsylvania, United States
Company size
Who is John Keffer? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Keffer is listed as State Tax Manager at Graham Packaging, a with 2656 employees, based in York, Pennsylvania, United States. AeroLeads shows a work email signal at grahampackaging.com, phone signal with area code 717, and a matched LinkedIn profile for John Keffer.
John Keffer previously worked as Tax Manager at Armstrong World Industries and Tax Compliance Manager at Dentsply International. John Keffer holds Bachelor Of Science (B.S.), Business Administration from Penn State University.
Company email context
Email format at Graham Packaging
This section adds company-level context without repeating John Keffer's masked contact details.
{first}.{last}@grahampackaging.com
89% confidence
AeroLeads found 1 current-domain work email signal for John Keffer. Compare company email patterns before reaching out.
Profile bio
About John Keffer
John Keffer is a State Tax Manager at Graham Packaging. He possess expertise in marketing.
Listed skills include Marketing.
Current workplace
John Keffer's current company
Company context helps verify the profile and gives searchers a useful next step.
Graham Packaging
4 roles
John Keffer work experience
A career timeline built from the work history available for this profile.
Tax Manager
Jan 2016 - Sep 2020
Tax Compliance Manager
Jul 2011 - Dec 2015
Tax Supervisor
Jan 2009 - Jun 2011
Team & coworkers
Colleagues at Graham Packaging
Other employees you can reach at grahampackaging.com. View company contacts for 2656 employees →
MS
Mary Sibley
Colleague at Graham PackagingShrewsbury, Pennsylvania, United States
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SL
Steven Lay
Colleague at Graham PackagingSt Louis, Missouri, United States
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PM
Penny Mcclain
Colleague at Graham PackagingPotwin, Kansas, United States
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FG
Frank Groninger
Colleague at Graham PackagingYork, Pennsylvania, United States
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PO
Patrick Oconnell
Colleague at Graham PackagingHershey, Pennsylvania, United States
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CJ
Cj Jones
Colleague at Graham PackagingBaton Rouge Metropolitan Area, United States
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KH
Kathy Hartman
Colleague at Graham PackagingJefferson County, Missouri, United States
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BE
Bibi Ellis
Colleague at Graham PackagingMississauga, Ontario, Canada
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ES
Elam Shane
Colleague at Graham PackagingFort Gibson, Oklahoma, United States
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CP
Carrie Porys
Colleague at Graham PackagingLockport, Illinois, United States
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Mary Sibley
Colleague at Graham PackagingShrewsbury, Pennsylvania, United States
View →
SL
Steven Lay
Colleague at Graham PackagingSt Louis, Missouri, United States
View →
PM
Penny Mcclain
Colleague at Graham PackagingPotwin, Kansas, United States
View →
FG
Frank Groninger
Colleague at Graham PackagingYork, Pennsylvania, United States
View →
PO
Patrick Oconnell
Colleague at Graham PackagingHershey, Pennsylvania, United States
View →
CJ
Cj Jones
Colleague at Graham PackagingBaton Rouge Metropolitan Area, United States
View →
KH
Kathy Hartman
Colleague at Graham PackagingJefferson County, Missouri, United States
View →
BE
Bibi Ellis
Colleague at Graham PackagingMississauga, Ontario, Canada
View →
ES
Elam Shane
Colleague at Graham PackagingFort Gibson, Oklahoma, United States
View →
CP
Carrie Porys
Colleague at Graham PackagingLockport, Illinois, United States
View →
1 education record
John Keffer education
FAQ
Frequently asked questions about John Keffer
Quick answers generated from the profile data available on this page.
What company does John Keffer work for?
John Keffer works for Graham Packaging.
What is John Keffer's role at Graham Packaging?
John Keffer is listed as State Tax Manager at Graham Packaging.
What is John Keffer's email address?
AeroLeads has found 1 work email signal at @grahampackaging.com for John Keffer at Graham Packaging.
What is John Keffer's phone number?
AeroLeads has found 1 phone signal(s) with area code 717 for John Keffer at Graham Packaging.
Where is John Keffer based?
John Keffer is based in York, Pennsylvania, United States while working with Graham Packaging.
What companies has John Keffer worked for?
John Keffer has worked for Graham Packaging, Armstrong World Industries, and Dentsply International.
Who are John Keffer's colleagues at Graham Packaging?
John Keffer's colleagues at Graham Packaging include Mary Sibley, Steven Lay, Penny Mcclain, Frank Groninger, and Patrick Oconnell.
How can I contact John Keffer?
You can use AeroLeads to view verified contact signals for John Keffer at Graham Packaging, including work email, phone, and LinkedIn data when available.
What schools did John Keffer attend?
John Keffer holds Bachelor Of Science (B.S.), Business Administration from Penn State University.
What skills is John Keffer known for?
John Keffer is listed with skills including Marketing.
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