Director It Infrastructure
Current
Mar 2022 - Present
AeroLeads people directory · profile
John Keffer Email & Phone Number
Director IT Infrastructure
at
RadNet
LinkedIn matched
✓ Verified July 2026
3 data sources
Profile completeness 86%
Current company
Role
Director IT Infrastructure
Location
York, Pennsylvania, United States
Company size
Who is John Keffer? Overview
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Quick answer
John Keffer is listed as Director IT Infrastructure at RadNet, a with 2028 employees, based in York, Pennsylvania, United States. AeroLeads shows a matched LinkedIn profile for John Keffer.
John Keffer previously worked as Manager of Teleradiology IT at Radnet and Owner at Keffer Technologies Llc. John Keffer holds Bachelor'S Degree, Mathematics from Penn State University.
Company email context
Email format at RadNet
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RadNet
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Profile bio
About John Keffer
John Keffer is a Director IT Infrastructure at RadNet.
Current workplace
John Keffer's current company
Company context helps verify the profile and gives searchers a useful next step.
Radnet
6 roles
John Keffer work experience
A career timeline built from the work history available for this profile.
Manager Of Teleradiology It
Owner
Keffer Technologies Llc
Aug 2007 - Jan 2009
Is Network Engineer
Deerfield | Forewinds Hospitality
Jul 2006 - Jul 2007
Is Network Engineer
Mar 2005 - Jul 2006
Is Support Coordinator
Jan 2003 - Mar 2005
Team & coworkers
Colleagues at RadNet
Other employees you can reach at radnet.com. View company contacts for 2028 employees →
JW
Janet Wan
Colleague at RadnetSan Francisco Bay Area, United States
View →
DE
Demarla Emery
Colleague at RadnetLos Angeles, California, United States
View →
CG
Charlotte Grimes
Colleague at RadnetBaltimore City County, Maryland, United States
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AJ
Antwan Johnson
Colleague at RadnetHackensack, New Jersey, United States
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ME
Marlene Elizabeth Reynoso
Colleague at RadnetCulver City, California, United States
View →
SM
Sasha Martinez
Colleague at RadnetLos Angeles County, California, United States
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LB
Luis Bernal B.S.,R.T.(Mr)
Colleague at RadnetNew York City Metropolitan Area, United States
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JF
Jennica Faigao
Colleague at RadnetUnited States
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SS
Scott Schaffer
Colleague at RadnetEllicott City, Maryland, United States
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LL
Lina Lim
Colleague at RadnetLos Angeles Metropolitan Area, United States
View →
Janet Wan
Colleague at RadnetSan Francisco Bay Area, United States
View →
DE
Demarla Emery
Colleague at RadnetLos Angeles, California, United States
View →
CG
Charlotte Grimes
Colleague at RadnetBaltimore City County, Maryland, United States
View →
AJ
Antwan Johnson
Colleague at RadnetHackensack, New Jersey, United States
View →
ME
Marlene Elizabeth Reynoso
Colleague at RadnetCulver City, California, United States
View →
SM
Sasha Martinez
Colleague at RadnetLos Angeles County, California, United States
View →
LB
Luis Bernal B.S.,R.T.(Mr)
Colleague at RadnetNew York City Metropolitan Area, United States
View →
JF
Jennica Faigao
Colleague at RadnetUnited States
View →
SS
Scott Schaffer
Colleague at RadnetEllicott City, Maryland, United States
View →
LL
Lina Lim
Colleague at RadnetLos Angeles Metropolitan Area, United States
View →
2 education records
John Keffer education
Bachelor'S Degree, Mathematics
Education record
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 RadNet.
What is John Keffer's role at RadNet?
John Keffer is listed as Director IT Infrastructure at RadNet.
Where is John Keffer based?
John Keffer is based in York, Pennsylvania, United States while working with RadNet.
What companies has John Keffer worked for?
John Keffer has worked for Radnet, Keffer Technologies Llc, Deerfield | Forewinds Hospitality, and Sawyer Realty Holdings Llc.
Who are John Keffer's colleagues at RadNet?
John Keffer's colleagues at RadNet include Janet Wan, Demarla Emery, Charlotte Grimes, Antwan Johnson, and Marlene Elizabeth Reynoso.
How can I contact John Keffer?
You can use AeroLeads to view verified contact signals for John Keffer at RadNet, including work email, phone, and LinkedIn data when available.
What schools did John Keffer attend?
John Keffer holds Bachelor'S Degree, Mathematics from Penn State University.
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