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Stefan Wallbaum Email & Phone Number

Personalreferent bei Open-Xchange at Open-Xchange
Location: Ruhr Region, Germany 1 work role
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✓ Verified August 2026 2 data sources Profile completeness 71%

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Current company
Open-Xchange
Role
Personalreferent bei Open-Xchange
Location
Ruhr Region, Germany
Company size
211 employees

Who is Stefan Wallbaum? Overview

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Quick answer

Stefan Wallbaum is listed as Personalreferent bei Open-Xchange at Open-Xchange, a with 211 employees, based in Ruhr Region, Germany. AeroLeads shows a matched LinkedIn profile for Stefan Wallbaum.

Stefan Wallbaum previously worked as Personalreferent at Open-Xchange.

Company email context

Email format at Open-Xchange

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Open-Xchange

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Profile bio

About Stefan Wallbaum

Stefan Wallbaum is a Personalreferent bei Open-Xchange at Open-Xchange.

Current workplace

Stefan Wallbaum's current company

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Open-Xchange
Open-Xchange
Personalreferent bei Open-Xchange
germany
Website
open-xchange.com
Employees
211
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1 role

Stefan Wallbaum work experience

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Team & coworkers

Colleagues at Open-Xchange

Other employees you can reach at open-xchange.com. View company contacts for 211 employees →

MH Martin Hollmichel Martin Hollmichel Colleague at Open-XchangeGreater Hamburg Area, Germany View → DB David Bauer David Bauer Colleague at Open-XchangeWinterberg, North Rhine-Westphalia, Germany View → TH Tugce Hakan Tugce Hakan Colleague at Open-XchangeBerlin Metropolitan Area, Germany View → MW Moritz Wurm Moritz Wurm Colleague at Open-XchangeOlpe, North Rhine-Westphalia, Germany View → AT Alex Tns Alex Tns Colleague at Open-XchangeBerlin, Germany View → UD Umberto D. Umberto D. Colleague at Open-XchangeTurin, Piedmont, Italy View → KG Karl-Heinz Graßer Karl-Heinz Graßer Colleague at Open-XchangeNuremberg, Bavaria, Germany View → TW Tobias Wrede Tobias Wrede Colleague at Open-XchangeOlpe, North Rhine-Westphalia, Germany View → MS Monika Schroeder Monika Schroeder Colleague at Open-XchangeNew York, United States View → AT Aki Tuomi Aki Tuomi Colleague at Open-XchangeHelsinki, Uusimaa, Finland View →
FAQ

Frequently asked questions about Stefan Wallbaum

Quick answers generated from the profile data available on this page.

What company does Stefan Wallbaum work for?

Stefan Wallbaum works for Open-Xchange.

What is Stefan Wallbaum's role at Open-Xchange?

Stefan Wallbaum is listed as Personalreferent bei Open-Xchange at Open-Xchange.

Where is Stefan Wallbaum based?

Stefan Wallbaum is based in Ruhr Region, Germany while working with Open-Xchange.

What companies has Stefan Wallbaum worked for?

Stefan Wallbaum has worked for Open-Xchange.

Who are Stefan Wallbaum's colleagues at Open-Xchange?

Stefan Wallbaum's colleagues at Open-Xchange include Martin Hollmichel, David Bauer, Tugce Hakan, Moritz Wurm, and Alex Tns.

How can I contact Stefan Wallbaum?

You can use AeroLeads to view verified contact signals for Stefan Wallbaum at Open-Xchange, including work email, phone, and LinkedIn data when available.

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