Customer Success Manager
Current
May 2022 - Present
AeroLeads people directory · profile
Jeff Posner Email & Phone Number
Customer Success Manager
at
Mimecast
LinkedIn matched
✓ Verified Jun 2026
2 data sources
Profile completeness 71%
Current company
Role
Customer Success Manager
Location
Norwood, Massachusetts, United States
Company size
Who is Jeff Posner? Overview
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Quick answer
Jeff Posner is listed as Customer Success Manager at Mimecast, a company with 1870 employees, based in Norwood, Massachusetts, United States. AeroLeads shows a matched LinkedIn profile for Jeff Posner.
Jeff Posner previously worked as Implementation Manager at T-Mobile and Implementation Project Manager at Sprint.
Company email context
Email format at Mimecast
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Mimecast
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Profile bio
About Jeff Posner
Customer Success expert with proven track record of meeting the complex needs of strategic customers. Over sixteen years experience developing and maintaining relationships with external and internal contacts. Trained, presented to, and worked directly with everyone from end users to C-suite executives.
Current workplace
Jeff Posner's current company
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Mimecast
4 roles
Jeff Posner work experience
A career timeline built from the work history available for this profile.
Implementation Manager
Aug 2020 - May 2022
Implementation Project Manager
Develop and own partnerships with strategic accountsMaintain close relationships with account executives Analyze utilization patterns to identify potential risks and opportunitiesDevelop and execute unique deployment plans for new Sprint customersLead cross-functional project planning callsAct as primary point of escalation for technical issuesTrain.
Sep 2007 - Apr 2020
Specialized Care
Managed a deck of over 100 state and local government accounts with over 10,000 active lines of serviceAct as single point of contact for all things customer service related including: Device troubleshootingSwaps/activationsPlan and feature changesBilling
Jun 2006 - Sep 2007
Team & coworkers
Colleagues at Mimecast
Other employees you can reach at mimecast.com. View company contacts for 1870 employees →
JM
James Maddison
Colleague at MimecastNashua, New Hampshire, United States, United States
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DD
Denis Darko
Colleague at MimecastLondon, England, United Kingdom, United Kingdom
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JA
Junior Andujar
Colleague at MimecastBoston, Massachusetts, United States, United States
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AB
Alex Bassil
Colleague at MimecastLondon, England, United Kingdom, United Kingdom
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RB
Russell Bertram
Colleague at MimecastFrankston, Victoria, Australia, Australia
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WK
Wojciech Kuźma
Colleague at MimecastWroclaw Metropolitan Area, Poland
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SV
Sandhya Vora
Colleague at MimecastSunnyvale, California, United States, United States
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KA
Korin Aviv
Colleague at MimecastIsrael, Israel
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VM
Victoria Mkhonto
Colleague at MimecastCity Of Johannesburg, Gauteng, South Africa, South Africa
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TM
Thabang Mathlakwane
Colleague at MimecastCity Of Johannesburg, Gauteng, South Africa, South Africa
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James Maddison
Colleague at MimecastNashua, New Hampshire, United States, United States
View →
DD
Denis Darko
Colleague at MimecastLondon, England, United Kingdom, United Kingdom
View →
JA
Junior Andujar
Colleague at MimecastBoston, Massachusetts, United States, United States
View →
AB
Alex Bassil
Colleague at MimecastLondon, England, United Kingdom, United Kingdom
View →
RB
Russell Bertram
Colleague at MimecastFrankston, Victoria, Australia, Australia
View →
WK
Wojciech Kuźma
Colleague at MimecastWroclaw Metropolitan Area, Poland
View →
SV
Sandhya Vora
Colleague at MimecastSunnyvale, California, United States, United States
View →
KA
Korin Aviv
Colleague at MimecastIsrael, Israel
View →
VM
Victoria Mkhonto
Colleague at MimecastCity Of Johannesburg, Gauteng, South Africa, South Africa
View →
TM
Thabang Mathlakwane
Colleague at MimecastCity Of Johannesburg, Gauteng, South Africa, South Africa
View →
FAQ
Frequently asked questions about Jeff Posner
Quick answers generated from the profile data available on this page.
What company does Jeff Posner work for?
Jeff Posner works for Mimecast.
What is Jeff Posner's role at Mimecast?
Jeff Posner is listed as Customer Success Manager at Mimecast.
Where is Jeff Posner based?
Jeff Posner is based in Norwood, Massachusetts, United States while working with Mimecast.
What companies has Jeff Posner worked for?
Jeff Posner has worked for Mimecast, T-Mobile, and Sprint.
Who are Jeff Posner's colleagues at Mimecast?
Jeff Posner's colleagues at Mimecast include James Maddison, Denis Darko, Junior Andujar, Alex Bassil, and Russell Bertram.
How can I contact Jeff Posner?
You can use AeroLeads to view verified contact signals for Jeff Posner at Mimecast, including work email, phone, and LinkedIn data when available.
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