Director Of Sales - Program Services
Current
Jul 1999 - Present
AeroLeads people directory · profile
John Duffner Email & Phone Number
at Whitesell Group
at
Whitesell Corp.
1 work email found
@whitesellgroup.com
2 phones found area 256
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
at Whitesell Group
Location
Naples, Florida, United States
Company size
Who is John Duffner? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Duffner is listed as at Whitesell Group at Whitesell Corp., a with 97 employees, based in Naples, Florida, United States. AeroLeads shows a work email signal at whitesellgroup.com, phone signal with area code 256, and a matched LinkedIn profile for John Duffner.
John Duffner previously worked as Director of Sales - Program Services at Whitesell Corp. and Regional Manager at Avdel® - An Acument Global Technologies Company. John Duffner holds Bachelor'S Degree, Business Administration, Management And Operations from Missouri State University.
Company email context
Email format at Whitesell Corp.
This section adds company-level context without repeating John Duffner's masked contact details.
{first_initial}{last}@whitesellgroup.com
89% confidence
AeroLeads found 1 current-domain work email signal for John Duffner. Compare company email patterns before reaching out.
Profile bio
About John Duffner
John Duffner is a at Whitesell Group at Whitesell Corp.. He possess expertise in purchasing, supply chain, supply chain management, continuous improvement, sales management and 12 more skills.
Listed skills include Purchasing, Supply Chain, Supply Chain Management, Continuous Improvement, and 13 others.
Current workplace
John Duffner's current company
Company context helps verify the profile and gives searchers a useful next step.
Whitesell Corp.
2 roles
John Duffner work experience
A career timeline built from the work history available for this profile.
Regional Manager
Aug 1981 - Jul 1999
Team & coworkers
Colleagues at Whitesell Corp.
Other employees you can reach at whitesellgroup.com. View company contacts for 97 employees →
DW
Dieter Weiler
Colleague at Whitesell Corp.Saarland, Germany
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TJ
Tiffany Jones
Colleague at Whitesell Corp.Rogersville, Alabama, United States
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TB
Terry Beth Pace
Colleague at Whitesell Corp.Tuscumbia, Alabama, United States
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MK
Michael Kibby
Colleague at Whitesell Corp.Greater Indianapolis, United States
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RM
Rick Magdefrau
Colleague at Whitesell Corp.Washington, Iowa, United States
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AG
Aracely Gonzalez
Colleague at Whitesell Corp.Hermosillo, Sonora, Mexico
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JR
Jeremy Rouse
Colleague at Whitesell Corp.Muscle Shoals, Alabama, United States
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BO
Brenda Omalley
Colleague at Whitesell Corp.Jeffersonville, Indiana, United States
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RF
Rebecca Flagstad-Becker
Colleague at Whitesell Corp.Tuscumbia, Alabama, United States
View →
SZ
Srecko Zdravkovic
Colleague at Whitesell Corp.Utica, Michigan, United States
View →
Dieter Weiler
Colleague at Whitesell Corp.Saarland, Germany
View →
TJ
Tiffany Jones
Colleague at Whitesell Corp.Rogersville, Alabama, United States
View →
TB
Terry Beth Pace
Colleague at Whitesell Corp.Tuscumbia, Alabama, United States
View →
MK
Michael Kibby
Colleague at Whitesell Corp.Greater Indianapolis, United States
View →
RM
Rick Magdefrau
Colleague at Whitesell Corp.Washington, Iowa, United States
View →
AG
Aracely Gonzalez
Colleague at Whitesell Corp.Hermosillo, Sonora, Mexico
View →
JR
Jeremy Rouse
Colleague at Whitesell Corp.Muscle Shoals, Alabama, United States
View →
BO
Brenda Omalley
Colleague at Whitesell Corp.Jeffersonville, Indiana, United States
View →
RF
Rebecca Flagstad-Becker
Colleague at Whitesell Corp.Tuscumbia, Alabama, United States
View →
SZ
Srecko Zdravkovic
Colleague at Whitesell Corp.Utica, Michigan, United States
View →
2 education records
John Duffner education
Bachelor'S Degree, Business Administration, Management And Operations
Bs, Business Administration
FAQ
Frequently asked questions about John Duffner
Quick answers generated from the profile data available on this page.
What company does John Duffner work for?
John Duffner works for Whitesell Corp..
What is John Duffner's role at Whitesell Corp.?
John Duffner is listed as at Whitesell Group at Whitesell Corp..
What is John Duffner's email address?
AeroLeads has found 1 work email signal at @whitesellgroup.com for John Duffner at Whitesell Corp..
What is John Duffner's phone number?
AeroLeads has found 2 phone signal(s) with area code 256 for John Duffner at Whitesell Corp..
Where is John Duffner based?
John Duffner is based in Naples, Florida, United States while working with Whitesell Corp..
What companies has John Duffner worked for?
John Duffner has worked for Whitesell Corp. and Avdel® - An Acument Global Technologies Company.
Who are John Duffner's colleagues at Whitesell Corp.?
John Duffner's colleagues at Whitesell Corp. include Dieter Weiler, Tiffany Jones, Terry Beth Pace, Michael Kibby, and Rick Magdefrau.
How can I contact John Duffner?
You can use AeroLeads to view verified contact signals for John Duffner at Whitesell Corp., including work email, phone, and LinkedIn data when available.
What schools did John Duffner attend?
John Duffner holds Bachelor'S Degree, Business Administration, Management And Operations from Missouri State University.
What skills is John Duffner known for?
John Duffner is listed with skills including Purchasing, Supply Chain, Supply Chain Management, Continuous Improvement, Sales Management, Manufacturing, Lean Manufacturing, and Product Development.
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