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Daniel Lesjak Email & Phone Number
IT Process and Performance Transformation Manager
at
A1 Telekom Austria AG
1 work email found
@a1.net
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 86%
Current company
Role
IT Process and Performance Transformation Manager
Location
Austria, Austria, Austria
Company size
Who is Daniel Lesjak? Overview
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Quick answer
Daniel Lesjak is listed as IT Process and Performance Transformation Manager at A1 Telekom Austria AG, a company with 4125 employees, based in Austria, Austria, Austria. AeroLeads shows a work email signal at a1.net and a matched LinkedIn profile for Daniel Lesjak.
Daniel Lesjak previously worked as Head of Enabler & IT Core Applications at A1 Telekom Austria Ag and Head of IT Enabler at A1 Telekom Austria Ag. Daniel Lesjak holds Dipl.-Ing., Informatik from Technische Universität Wien.
Company email context
Email format at A1 Telekom Austria AG
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{first}.{last}@a1.net
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AeroLeads found 1 current-domain work email signal for Daniel Lesjak. Compare company email patterns before reaching out.
Profile bio
About Daniel Lesjak
Daniel Lesjak is a IT Process and Performance Transformation Manager at A1 Telekom Austria AG.
Current workplace
Daniel Lesjak's current company
Company context helps verify the profile and gives searchers a useful next step.
A1 Telekom Austria Ag
6 roles
Daniel Lesjak work experience
A career timeline built from the work history available for this profile.
Head Of Enabler & It Core Applications
Current
Apr 2024 - Present
Head Of It Enabler
May 2019 - Mar 2024
Head Of It Operation
Responsibility for operation of billing-, CRM-, POS-, ERP-, Provisioning/Fulfillment and eCommerce/mCommerce services of A1 Telekom Austria. This includes - correct and timely billing of fixed net and mobile net customers (prepaid and postpaid) within A1 Telekom Austria and several markets of Telekom Austria Group- correct and timely billing of.
Mar 2015 - May 2019
Head Of Business Support Operation
Responsibility for operation of billing-, CRM-, POS-, ERP- and Provisioning/Fulfillment services of A1 Telekom Austria. This includes - correct and timely billing of fixed net and mobile net customers (prepaid and postpaid) within A1 Telekom Austria and several markets of Telekom Austria Group- correct and timely billing of interconnection charges and.
Dec 2013 - Feb 2015
Head Of Billing Operation
Responsibility for operation of billing-, CRM- and Provisioning/Fulfillment services of A1 Telekom Austria. This includes - correct and timely billing of fixed net and mobile net customers (prepaid and postpaid) within A1 Telekom Austria and several markets of Telekom Austria Group - correct and timely billing of interconnection charges and IN-Systems.
Jul 2010 - Nov 2013
Team & coworkers
Colleagues at A1 Telekom Austria AG
Other employees you can reach at a1.net. View company contacts for 4125 employees →
AT
Arrow Theone
Colleague at A1 Telekom Austria AgCairo, Cairo, Egypt, Egypt
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KJ
Kornelia Jungwirth
Colleague at A1 Telekom Austria AgAustria, Austria
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MM
Marina Malashchenko
Colleague at A1 Telekom Austria AgBelarus, Belarus
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HW
Hans-Günter Weber
Colleague at A1 Telekom Austria AgVienna, Vienna, Austria, Austria
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AK
Andreas Kleemann
Colleague at A1 Telekom Austria AgAustria, Austria
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KU
Kukla Ulrike
Colleague at A1 Telekom Austria AgAustria, Austria
View →
SB
Sommerbichler Bernd
Colleague at A1 Telekom Austria AgAustria, Austria
View →
MC
Monika Cincio
Colleague at A1 Telekom Austria AgAustria, Austria
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AK
Arjun Kumar
Colleague at A1 Telekom Austria AgAustria, Austria
View →
MG
Monika Gosheva
Colleague at A1 Telekom Austria AgSkopje, Skopje Statistical Region, North Macedonia, Macedonia, The Former Yugoslav Republic Of
View →
Arrow Theone
Colleague at A1 Telekom Austria AgCairo, Cairo, Egypt, Egypt
View →
KJ
Kornelia Jungwirth
Colleague at A1 Telekom Austria AgAustria, Austria
View →
MM
Marina Malashchenko
Colleague at A1 Telekom Austria AgBelarus, Belarus
View →
HW
Hans-Günter Weber
Colleague at A1 Telekom Austria AgVienna, Vienna, Austria, Austria
View →
AK
Andreas Kleemann
Colleague at A1 Telekom Austria AgAustria, Austria
View →
KU
Kukla Ulrike
Colleague at A1 Telekom Austria AgAustria, Austria
View →
SB
Sommerbichler Bernd
Colleague at A1 Telekom Austria AgAustria, Austria
View →
MC
Monika Cincio
Colleague at A1 Telekom Austria AgAustria, Austria
View →
AK
Arjun Kumar
Colleague at A1 Telekom Austria AgAustria, Austria
View →
MG
Monika Gosheva
Colleague at A1 Telekom Austria AgSkopje, Skopje Statistical Region, North Macedonia, Macedonia, The Former Yugoslav Republic Of
View →
1 education record
Daniel Lesjak education
FAQ
Frequently asked questions about Daniel Lesjak
Quick answers generated from the profile data available on this page.
What company does Daniel Lesjak work for?
Daniel Lesjak works for A1 Telekom Austria AG.
What is Daniel Lesjak's role at A1 Telekom Austria AG?
Daniel Lesjak is listed as IT Process and Performance Transformation Manager at A1 Telekom Austria AG.
What is Daniel Lesjak's email address?
AeroLeads has found 1 work email signal at @a1.net for Daniel Lesjak at A1 Telekom Austria AG.
Where is Daniel Lesjak based?
Daniel Lesjak is based in Austria, Austria, Austria while working with A1 Telekom Austria AG.
What companies has Daniel Lesjak worked for?
Daniel Lesjak has worked for A1 Telekom Austria Ag.
Who are Daniel Lesjak's colleagues at A1 Telekom Austria AG?
Daniel Lesjak's colleagues at A1 Telekom Austria AG include Arrow Theone, Kornelia Jungwirth, Marina Malashchenko, Hans-Günter Weber, and Andreas Kleemann.
How can I contact Daniel Lesjak?
You can use AeroLeads to view verified contact signals for Daniel Lesjak at A1 Telekom Austria AG, including work email, phone, and LinkedIn data when available.
What schools did Daniel Lesjak attend?
Daniel Lesjak holds Dipl.-Ing., Informatik from Technische Universität Wien.
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