Manager Customer Service
Current
Oct 2014 - Present
AeroLeads people directory · profile
John Biermann Email & Phone Number
Manager Customer Service
at
Graybar
1 work email found
@graybar.com
3 phones found area 618 and 314
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 100%
Current company
Role
Manager Customer Service
Location
Collinsville, Illinois, United States
Company size
Who is John Biermann? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Biermann is listed as Manager Customer Service at Graybar, a with 6657 employees, based in Collinsville, Illinois, United States. AeroLeads shows a work email signal at graybar.com, phone signal with area code 618, 314, and a matched LinkedIn profile for John Biermann.
John Biermann previously worked as SUPERVISOR CUSTOMER SERVICE at Graybar Electric and INTEGRATED SUPPLY COORDINATOR at Graybar. John Biermann holds Personal Finance from University Of Missouri-Columbia.
Company email context
Email format at Graybar
This section adds company-level context without repeating John Biermann's masked contact details.
{first}.{last}@graybar.com
89% confidence
AeroLeads found 1 current-domain work email signal for John Biermann. Compare company email patterns before reaching out.
Profile bio
About John Biermann
John Biermann is a Manager Customer Service at Graybar. He possess expertise in inventory management, account management, purchasing, key account management, sales management and 5 more skills.
Listed skills include Inventory Management, Account Management, Purchasing, Key Account Management, and 6 others.
Current workplace
John Biermann's current company
Company context helps verify the profile and gives searchers a useful next step.
Graybar
3 roles
John Biermann work experience
A career timeline built from the work history available for this profile.
Supervisor Customer Service
Integrated Supply Coordinator
Jan 1999 - Aug 2007
Team & coworkers
Colleagues at Graybar
Other employees you can reach at graybar.com. View company contacts for 6657 employees →
JM
Jan Meyer
Colleague at GraybarBallwin, Missouri, United States
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CC
Chrissie Conboy
Colleague at GraybarSt Louis, Missouri, United States
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MZ
Marco Zerquera
Colleague at GraybarSan Juan, Puerto Rico
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JP
Jeff Pullum
Colleague at GraybarBoonville, Indiana, United States
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BP
Bree Petersen
Colleague at GraybarPortland, Oregon, United States
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ST
Steve Thompson
Colleague at GraybarCalgary, Alberta, Canada
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AR
Andy Riffle
Colleague at GraybarTulsa, Oklahoma, United States
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ER
Elizabeth Roe
Colleague at GraybarMobile, Alabama, United States
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EK
Eric Kotlow
Colleague at GraybarGuilderland, New York, United States
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MG
Monica Garcia
Colleague at GraybarHialeah, Florida, United States
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Jan Meyer
Colleague at GraybarBallwin, Missouri, United States
View →
CC
Chrissie Conboy
Colleague at GraybarSt Louis, Missouri, United States
View →
MZ
Marco Zerquera
Colleague at GraybarSan Juan, Puerto Rico
View →
JP
Jeff Pullum
Colleague at GraybarBoonville, Indiana, United States
View →
BP
Bree Petersen
Colleague at GraybarPortland, Oregon, United States
View →
ST
Steve Thompson
Colleague at GraybarCalgary, Alberta, Canada
View →
AR
Andy Riffle
Colleague at GraybarTulsa, Oklahoma, United States
View →
ER
Elizabeth Roe
Colleague at GraybarMobile, Alabama, United States
View →
EK
Eric Kotlow
Colleague at GraybarGuilderland, New York, United States
View →
MG
Monica Garcia
Colleague at GraybarHialeah, Florida, United States
View →
1 education record
John Biermann education
FAQ
Frequently asked questions about John Biermann
Quick answers generated from the profile data available on this page.
What company does John Biermann work for?
John Biermann works for Graybar.
What is John Biermann's role at Graybar?
John Biermann is listed as Manager Customer Service at Graybar.
What is John Biermann's email address?
AeroLeads has found 1 work email signal at @graybar.com for John Biermann at Graybar.
What is John Biermann's phone number?
AeroLeads has found 3 phone signal(s) with area code 618, 314 for John Biermann at Graybar.
Where is John Biermann based?
John Biermann is based in Collinsville, Illinois, United States while working with Graybar.
What companies has John Biermann worked for?
John Biermann has worked for Graybar and Graybar Electric.
Who are John Biermann's colleagues at Graybar?
John Biermann's colleagues at Graybar include Jan Meyer, Chrissie Conboy, Marco Zerquera, Jeff Pullum, and Bree Petersen.
How can I contact John Biermann?
You can use AeroLeads to view verified contact signals for John Biermann at Graybar, including work email, phone, and LinkedIn data when available.
What schools did John Biermann attend?
John Biermann holds Personal Finance from University Of Missouri-Columbia.
What skills is John Biermann known for?
John Biermann is listed with skills including Inventory Management, Account Management, Purchasing, Key Account Management, Sales Management, Sales Operations, Sales, and New Business Development.
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