Customer Success Manager
Current
May 2022 - Present
AeroLeads people directory · profile
Jeff Posner Email & Phone Number
Customer Success Manager at Mimecast
at
Mimecast
2 work emails found
@sprint.com
LinkedIn matched
✓ Verified Jul 2026
3 data sources
Profile completeness 86%
Current company
Role
Customer Success Manager at Mimecast
Location
Norwood, Massachusetts, United States
Company size
Who is Jeff Posner? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Jeff Posner is listed as Customer Success Manager at Mimecast at Mimecast, a with 1870 employees, based in Norwood, Massachusetts, United States. AeroLeads shows a work email signal at sprint.com and a matched LinkedIn profile for Jeff Posner.
Jeff Posner previously worked as Customer Success Manager at Mimecast and Implementation Manager at T-Mobile.
Company email context
Email format at Mimecast
This section adds company-level context without repeating Jeff Posner's masked contact details.
jposner@sprint.com
79% confidence
AeroLeads found 2 current-domain work email signals for Jeff Posner. Compare company email patterns before reaching out.
Profile bio
About Jeff Posner
Customer success expert with proven track record of meeting the complex needs of strategic customers. Over fourteen 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.
Listed skills include Telecommunications, Wireless, Mobile Devices, 4G, and 14 others.
Current workplace
Jeff Posner's current company
Company context helps verify the profile and gives searchers a useful next step.
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 customers on self-service portals and mobile apps Track project lifecycle in SFDC
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 →
CA
Cheryl Abrahams
Colleague at MimecastCity Of Cape Town, Western Cape, South Africa
View →
GM
Gerfi Mendez
Colleague at MimecastGreater Boston, United States
View →
SB
Shakerah Brown Honey
Colleague at MimecastCity Of Cape Town, Western Cape, South Africa
View →
PS
Paul Sartori
Colleague at MimecastBoston, Massachusetts, United States
View →
EA
Emmanuel Ashley
Colleague at MimecastLondon, England, United Kingdom
View →
AM
Alisha Montgomery
Colleague at MimecastStamford, England, United Kingdom
View →
CC
Cara Cannone
Colleague at MimecastNew York City Metropolitan Area, United States
View →
VR
Vincent Roussy
Colleague at MimecastLondon, England, United Kingdom
View →
TR
Tim Radich
Colleague at MimecastBrisbane, Queensland, Australia
View →
MM
Mpho Mahlatsi
Colleague at MimecastCity Of Johannesburg, Gauteng, South Africa
View →
Cheryl Abrahams
Colleague at MimecastCity Of Cape Town, Western Cape, South Africa
View →
GM
Gerfi Mendez
Colleague at MimecastGreater Boston, United States
View →
SB
Shakerah Brown Honey
Colleague at MimecastCity Of Cape Town, Western Cape, South Africa
View →
PS
Paul Sartori
Colleague at MimecastBoston, Massachusetts, United States
View →
EA
Emmanuel Ashley
Colleague at MimecastLondon, England, United Kingdom
View →
AM
Alisha Montgomery
Colleague at MimecastStamford, England, United Kingdom
View →
CC
Cara Cannone
Colleague at MimecastNew York City Metropolitan Area, United States
View →
VR
Vincent Roussy
Colleague at MimecastLondon, England, United Kingdom
View →
TR
Tim Radich
Colleague at MimecastBrisbane, Queensland, Australia
View →
MM
Mpho Mahlatsi
Colleague at MimecastCity Of Johannesburg, Gauteng, 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 at Mimecast.
What is Jeff Posner's email address?
AeroLeads has found 2 work email signals at @sprint.com for Jeff Posner 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 Cheryl Abrahams, Gerfi Mendez, Shakerah Brown Honey, Paul Sartori, and Emmanuel Ashley.
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.
What skills is Jeff Posner known for?
Jeff Posner is listed with skills including Telecommunications, Wireless, Mobile Devices, 4G, M2M, Cdma, Managed Services, and Solution Selling.
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 Jeff Posner you were looking for.
View similar profiles
