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Stefan Lerner Email & Phone Number
Geschäftsführer
at
UPON GmbH
1 work email found
@upon-onlinemarketing.de
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 86%
Current company
Role
Geschäftsführer
Location
Stuttgart, Baden-württemberg, Germany
Company size
Who is Stefan Lerner? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Stefan Lerner is listed as Geschäftsführer at UPON GmbH, a with 8 employees, based in Stuttgart, Baden-württemberg, Germany. AeroLeads shows a work email signal at upon-onlinemarketing.de and a matched LinkedIn profile for Stefan Lerner.
Stefan Lerner previously worked as Gesellschafter at Upon Gmbh and Marketing Manager / Gesellschafter at Lerner Marketing Brothers Gmbh. Stefan Lerner holds Bachelor (Fh), Mittelstandsökonomie from Hochschule Kaiserslautern / Kaiserslautern University Of Applied Sciences.
Company email context
Email format at UPON GmbH
This section adds company-level context without repeating Stefan Lerner's masked contact details.
slerner@upon-onlinemarketing.de
79% confidence
AeroLeads found 1 current-domain work email signal for Stefan Lerner. Compare company email patterns before reaching out.
Profile bio
About Stefan Lerner
Stefan Lerner is a Geschäftsführer at UPON GmbH.
Current workplace
Stefan Lerner's current company
Company context helps verify the profile and gives searchers a useful next step.
Upon Gmbh
9 roles · 21 years
Stefan Lerner work experience
A career timeline built from the work history available for this profile.
Gesellschafter
Marketing Manager / Gesellschafter
Onlinemarketing
2013 - 2019
~6 yrs
Social Media Manager
Social Network Marketing
Dec 2009 - 2012
Front Office Trainee
Emirates Palace Abu Dhabi/ Kempinski
Sep 2011 - Oct 2011
Management-Trainee
Aug 2011 - Sep 2011
Unternehmensinhaber
Lerner Events Gbr
2006 - 2011
~5 yrs
Team & coworkers
Colleagues at UPON GmbH
Other employees you can reach at upon-onlinemarketing.de. View company contacts for 8 employees →
1 education record
Stefan Lerner education
FAQ
Frequently asked questions about Stefan Lerner
Quick answers generated from the profile data available on this page.
What company does Stefan Lerner work for?
Stefan Lerner works for UPON GmbH.
What is Stefan Lerner's role at UPON GmbH?
Stefan Lerner is listed as Geschäftsführer at UPON GmbH.
What is Stefan Lerner's email address?
AeroLeads has found 1 work email signal at @upon-onlinemarketing.de for Stefan Lerner at UPON GmbH.
Where is Stefan Lerner based?
Stefan Lerner is based in Stuttgart, Baden-württemberg, Germany while working with UPON GmbH.
What companies has Stefan Lerner worked for?
Stefan Lerner has worked for Upon Gmbh, Lerner Marketing Brothers Gmbh, Activ Bilanz Gmbh, Deutsche Pop, and Social Network Marketing.
Who are Stefan Lerner's colleagues at UPON GmbH?
Stefan Lerner's colleagues at UPON GmbH include Jessi Steinbach, Alisa K., and Raphael Spinner.
How can I contact Stefan Lerner?
You can use AeroLeads to view verified contact signals for Stefan Lerner at UPON GmbH, including work email, phone, and LinkedIn data when available.
What schools did Stefan Lerner attend?
Stefan Lerner holds Bachelor (Fh), Mittelstandsökonomie from Hochschule Kaiserslautern / Kaiserslautern University Of Applied Sciences.
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