AeroLeads people directory · profile
Stefan Mathis Email & Phone Number
Business Unit Lead | Member of the Executive Board
at
Open Systems
1 work email found
@mathis-online.com
LinkedIn matched
✓ Verified Jun 2026
3 data sources
Profile completeness 86%
Current company
Role
Business Unit Lead | Member of the Executive Board
Location
Zurich, Zurich, Switzerland
Company size
Who is Stefan Mathis? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Stefan Mathis is listed as Business Unit Lead | Member of the Executive Board at Open Systems, a company with 431 employees, based in Zurich, Zurich, Switzerland. AeroLeads shows a work email signal at mathis-online.com and a matched LinkedIn profile for Stefan Mathis.
Stefan Mathis previously worked as Head of Client Services at Oneconsult and Director, Sales Engineering EMEA at Ontinue.
Company email context
Email format at Open Systems
This section adds company-level context without repeating Stefan Mathis's masked contact details.
{first}@mathis-online.com
86% confidence
AeroLeads found 1 current-domain work email signal for Stefan Mathis. Compare company email patterns before reaching out.
Profile bio
About Stefan Mathis
Unconventional, leader, integrative, team player, simple, leading by example, listener, inspirational, early adopter, innovator, getting things done, pragmatic, constructive, passionate, open, humorous, entrepreneurial, service oriented, orchestrator, networker, social, customer oriented
Listed skills include Network Security, Firewalls, Security, Juniper, and 12 others.
Current workplace
Stefan Mathis's current company
Company context helps verify the profile and gives searchers a useful next step.
Open Systems
9 roles · 18 years
Stefan Mathis work experience
A career timeline built from the work history available for this profile.
Head Of Client Services
Current
Jan 2024 - Present
Director, Sales Engineering Emea
Feb 2023 - Jan 2024
Head Of Sales Engineering Ch/Row
Mar 2019 - Feb 2023
Senior Technical Account Manager
Jul 2017 - Feb 2019
Technical Account Manager / Security Engineer
Jul 2014 - Jun 2017
Senior Ict Security Engineer
Oct 2009 - Jun 2014
Data And Security Engineer
2008 - 2009
~1 yr
Network Security Engineer
Aug 2005 - Sep 2008
Team & coworkers
Colleagues at Open Systems
Other employees you can reach at open-systems.com. View company contacts for 431 employees →
MM
Matthew Malarkey
Colleague at Open SystemsNottingham, England, United Kingdom, United Kingdom
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ED
Elie Daou
Colleague at Open SystemsLausanne, Vaud, Switzerland, Switzerland
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ER
Emīls Rozentāls
Colleague at Open SystemsZurich, Zurich, Switzerland, Switzerland
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SA
Sonya Arrington
Colleague at Open SystemsErie, Pennsylvania, United States, United States
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ML
Miriam Lang-Ghobrial
Colleague at Open SystemsZurich, Switzerland, Switzerland
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MM
Michelle Michelle
Colleague at Open SystemsArgentina, Argentina
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MP
Marguerite Petković (Delcourt)
Colleague at Open SystemsWallisellen / Hof, Zurich, Switzerland, Switzerland
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RO
Ryan O'Malley
Colleague at Open SystemsChicago, Illinois, United States, United States
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JH
Julian Hof
Colleague at Open SystemsZurich, Zurich, Switzerland, Switzerland
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AK
Abhishek Kumar
Colleague at Open SystemsDelhi, India, India
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Matthew Malarkey
Colleague at Open SystemsNottingham, England, United Kingdom, United Kingdom
View →
ED
Elie Daou
Colleague at Open SystemsLausanne, Vaud, Switzerland, Switzerland
View →
ER
Emīls Rozentāls
Colleague at Open SystemsZurich, Zurich, Switzerland, Switzerland
View →
SA
Sonya Arrington
Colleague at Open SystemsErie, Pennsylvania, United States, United States
View →
ML
Miriam Lang-Ghobrial
Colleague at Open SystemsZurich, Switzerland, Switzerland
View →
MM
Michelle Michelle
Colleague at Open SystemsArgentina, Argentina
View →
MP
Marguerite Petković (Delcourt)
Colleague at Open SystemsWallisellen / Hof, Zurich, Switzerland, Switzerland
View →
RO
Ryan O'Malley
Colleague at Open SystemsChicago, Illinois, United States, United States
View →
JH
Julian Hof
Colleague at Open SystemsZurich, Zurich, Switzerland, Switzerland
View →
AK
Abhishek Kumar
Colleague at Open SystemsDelhi, India, India
View →
FAQ
Frequently asked questions about Stefan Mathis
Quick answers generated from the profile data available on this page.
What company does Stefan Mathis work for?
Stefan Mathis works for Open Systems.
What is Stefan Mathis's role at Open Systems?
Stefan Mathis is listed as Business Unit Lead | Member of the Executive Board at Open Systems.
What is Stefan Mathis's email address?
AeroLeads has found 1 work email signal at @mathis-online.com for Stefan Mathis at Open Systems.
Where is Stefan Mathis based?
Stefan Mathis is based in Zurich, Zurich, Switzerland while working with Open Systems.
What companies has Stefan Mathis worked for?
Stefan Mathis has worked for Open Systems, Oneconsult, Ontinue, Open Systems Ag, and Infoguard Ag.
Who are Stefan Mathis's colleagues at Open Systems?
Stefan Mathis's colleagues at Open Systems include Matthew Malarkey, Elie Daou, Emīls Rozentāls, Sonya Arrington, and Miriam Lang-Ghobrial.
How can I contact Stefan Mathis?
You can use AeroLeads to view verified contact signals for Stefan Mathis at Open Systems, including work email, phone, and LinkedIn data when available.
What skills is Stefan Mathis known for?
Stefan Mathis is listed with skills including Network Security, Firewalls, Security, Juniper, Juniper Technologies, Vpn, Checkpoint, and F5 Bigip.
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