Director It Infrastructure
Current
Mar 2022 - Present
AeroLeads people directory · profile
John Keffer Email & Phone Number
Director IT Infrastructure @ RadNet | Network Infrastructure, Cloud Computing
at
RadNet
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Director IT Infrastructure @ RadNet | Network Infrastructure, Cloud Computing
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 Director IT Infrastructure @ RadNet | Network Infrastructure, Cloud Computing at RadNet, a company with 2028 employees, based in York, Pennsylvania, United States. AeroLeads shows a matched LinkedIn profile for John Keffer.
John Keffer previously worked as Director IT Infrastructure at Radnet and Manager of Teleradiology IT at Radnet. John Keffer holds Bachelor'S Degree, Mathematics from Penn State University.
Company email context
Email format at RadNet
This section adds company-level context without repeating John Keffer's masked contact details.
RadNet
Review company-level records connected to John Keffer before choosing the right outreach path.
Profile bio
About John Keffer
John Keffer is a Director IT Infrastructure @ RadNet | Network Infrastructure, Cloud Computing 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
Current
Jan 2009 - Present
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 →
KW
Khadijah Wright
Colleague at Radnet
Montclair, New Jersey, United States, United States
View →
SB
Staci Brown
Colleague at Radnet
Claremore, Oklahoma, United States, United States
View →
AS
Ana Sandoval
Colleague at Radnet
Los Angeles Metropolitan Area, United States
View →
KM
Kiarra Mora
Colleague at Radnet
Los Angeles Metropolitan Area, United States
View →
CM
Christina Maldonado
Colleague at Radnet
Clifton, New Jersey, United States, United States
View →
LK
Lauren Klutch, Rdms
Colleague at Radnet
New York City Metropolitan Area, United States
View →
RS
Ryan Sloan
Colleague at Radnet
Laguna Hills, California, United States, United States
View →
II
Isabella Iwanoff
Colleague at Radnet
Glendale, California, United States, United States
View →
KN
Korey Nguyen
Colleague at Radnet
Temecula, California, United States, United States
View →
DA
Deborah Albright
Colleague at Radnet
San Jose, California, United States, United States
View →
Khadijah Wright
Colleague at Radnet
Montclair, New Jersey, United States, United States
View →
SB
Staci Brown
Colleague at Radnet
Claremore, Oklahoma, United States, United States
View →
AS
Ana Sandoval
Colleague at Radnet
Los Angeles Metropolitan Area, United States
View →
KM
Kiarra Mora
Colleague at Radnet
Los Angeles Metropolitan Area, United States
View →
CM
Christina Maldonado
Colleague at Radnet
Clifton, New Jersey, United States, United States
View →
LK
Lauren Klutch, Rdms
Colleague at Radnet
New York City Metropolitan Area, United States
View →
RS
Ryan Sloan
Colleague at Radnet
Laguna Hills, California, United States, United States
View →
II
Isabella Iwanoff
Colleague at Radnet
Glendale, California, United States, United States
View →
KN
Korey Nguyen
Colleague at Radnet
Temecula, California, United States, United States
View →
DA
Deborah Albright
Colleague at Radnet
San Jose, California, United States, 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 @ RadNet | Network Infrastructure, Cloud Computing 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 Khadijah Wright, Staci Brown, Ana Sandoval, Kiarra Mora, and Christina Maldonado.
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.
Find 750M verified contacts
Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.
Start free trialPeople with similar names
Check these profiles if this is not the John Keffer you were looking for.
John Keffer
3 email domains
John Keffer
1 email domain
John Keffer
4 email domains
John Keffer
2 email domains