Stefan Lettner

Q: What is Stefan Lettner email address?

Email Stefan Lettner at stefanlettner1@gmail.com and letts@gmx.at. This email is the most updated Stefan Lettner's email found in 2026.

Q: How to contact Stefan Lettner?

To contact Stefan Lettner send an email to stefanlettner1@gmail.com or letts@gmx.at. If you want to call Stefan Lettner try calling on +4369912888417 and +436648592566. (updated on November 29, 2025)

Chief Marketing Officer at Holzkern - Eine Marke der Time for Nature GmbH | Vienna, Vienna, Austria

Profile last verified June 2026

Sporting Goods Verified Profile Vienna, Vienna, Austria INSEEC Group, International University of Monaco

Stefan Lettner’s Email & Phone Number

Verified

Personal Email

***@gmail.com

Personal • High Confidence

Phone Number

+43*****

Austria • Mobile

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Stefan Lettner Work Experience

Chief Marketing Officer at Holzkern - Eine Marke der Time for Nature GmbH in August 2025 - Present

Head of Ecommerce at Atomic in January 2022 - July 2025

Ecommerce Manager at XXL Sport & Villmark in March 2017 - March 2022

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Business Development Manager at Freeletics in October 2015 - March 2017

Business Development & Project-Based Consulting at Pocket Lifestyle IT Solutions GmbH in December 2014 - December 2016

Wear Business Development Associate at Freeletics in February 2015 - October 2015

Global Product Marketing at adidas in August 2014 - February 2015

Internship Supply Chain Management at MAYER & CO BESCHLÄGE GMBH (MACO) in January 2013 - March 2013

Sports Marketing Intern at SV Ried 1912 e.V. in February 2012 - June 2012

Stefan Lettner Education

INSEEC Group, International University of Monaco, M.Sc., July 2026

FH Kufstein Tirol – University of Applied Sciences, Bachelor (Hons) of Arts (BA) in Business, July 2026

Concordia University, Exchange Semester, July 2026

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Johannes Kepler Universität Linz, Bachelor of Artificial Intelligence, July 2026

Stefan Lettner Skills

Growth Strategies Paid Search Campaigns Performance Marketing Customer Relationship Management (CRM) Digital Marketing Research Skills Microsoft PowerPoint Teamentwicklung Abteilungsübergreifende Teamführung Enablement Steering (Mechanical) Strategic Initiatives Digital Activation Customer Engagement SAP Products Microsoft Excel Finance Driving Results Customer Satisfaction Product Development Competitive Analysis Software as a Service (SaaS) Product Vision Product Strategy Advertising E-commerce Optimization Attention to Detail Negotiation Search Engine Optimization (SEO) Strategy Customer Acquisition Data-driven Decision Making Budgeting Analytical Skills Google Analytics Adobe Analytics Scaled Agile Framework Scrum Systemarchitektur Kampagnenstrategien Datenanalyse JIRA Strategisches Management Globaler E-Commerce Business Analytics Unternehmensstrategie Business Development enterpreneurial management Strategische Planung Produktmanagement Projektmanagement Project Finance financial planning Lean Start-Up Operating Budgets Marketingstrategie Marketingkommunikation Sports Management Communication Marketing Event Management Sports Science Business English Social Media Marketing Handelsmarketing Vertrieb & Handel Personalführung Leadership Teamführung E-Commerce Onlinehandel

About Stefan Lettner’s Current Company

Holzkern - Eine Marke der Time for Nature GmbH

Holzkern Watches are more than just timepieces. For us, nature is the expression of individuality and the starting point for self-realization. That's why, as your personal piece of nature, our products should remind you daily to make the most of your time - no matter where you are. Spend time with people you love and realize things that mean something to you: travel, celebrate with friends, a job that makes you feel accomplished, or just relax - become part of our community and show us what you do with your time! Enjoy your time!

Discover more about Holzkern - Eine Marke der Time for Nature GmbH

Stefan Lettner’s Colleagues

Patricia Lopes

Vienna, Vienna, Austria

Biddable Team Manager

Biddable Team Manager at Holzkern - Eine Marke der Time for Nature GmbH
(August 2025 – Present)

***@gmail.com

(**) *** *** 567

Andreas Forgacs

Vienna, Vienna, Austria

Head of People & Culture bei HOLZKERN

Head of People & Culture at HOLZKERN
(April 2024 – Present)

***@gmx.at

(**) *** *** 831

Elias Ferihumer

Vienna, Vienna, Austria

Founder @ Holzkern

www.holzkern.com

elias.ferihumer@***.***

(**) *** *** 221

Georg Holzer

Vienna, Vienna, Austria

CEO @Holzkern | Unique watches & jewelry

CEO at HOLZKERN
(Apr 2024 – Present)

georg.holzer@***.***

(**) *** *** 360

Daan Mostert

Barcelona, Catalonia, Spain

Head of Influencer Marketing at Holzkern

Head of Influencer Marketing at HOLZKERN
(Jun 2023 – Present)

daan.mostert@***.***

(**) *** *** 115

Jana Budke

Neuss, North Rhine-Westphalia, Germany

Senior Influencer Marketing DACH @HOLZKERN 🌳

Influencer Marketing DACH
Performance Marketing
Influencer Management

jana.budke@***.***

(**) *** *** 822

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Frequently asked questions about Stefan Lettner

What is Stefan Lettner email address?

Email Stefan Lettner at [email protected] and [email protected]. This email is the most updated Stefan Lettner's email found in 2026.

What is Stefan Lettner phone number?

Stefan Lettner phone number is +4369912888417 and +436648592566.

How to contact Stefan Lettner?

To contact Stefan Lettner send an email to [email protected] or [email protected]. If you want to call Stefan Lettner try calling on +4369912888417 and +436648592566. (updated on November 29, 2025)

What company does Stefan Lettner work for?

Stefan Lettner works for Holzkern - Eine Marke der Time for Nature GmbH.

What is Stefan Lettner's role at Holzkern - Eine Marke der Time for Nature GmbH?

Stefan Lettner is Chief Marketing Officer

What industry does Stefan Lettner work in?

Stefan Lettner works in the Sporting Goods industry.