About us

Where innovation meets mobility

At Mobile Experts, we specialize in digital transformation and innovative marketing solutions. Our mission is to empower every entrepreneur with the right tools to easily connect and grow in the digital world. Revolutionize your business with expert solutions in project management and marketing!

1. Boost your online presence

2. Master marketing skills with cutting-edge tools

3. Automate your marketing

4. Connect and grow your business

5. Learn from industry leaders

Denis Kliefken (CEO)

My name is Denis Kliefken, CEO of Mobile Experts GmbH. I have successfully built numerous strategic partnerships and developed sustainable business models within partner networks, enabling companies to remain competitive in the dynamic mobile communications market. With extensive experience in founding and supporting startups, I understand the challenges well and know that sometimes it’s more important not to stumble along the way than to plan everything perfectly. Over the years, I have gained deep insights into the opportunities the mobile industry offers and have launched numerous innovative products. My goal is to continue developing sustainable business models that help our clients stay steady in this fast-paced market.

Product management and entrepreneurship are my playgrounds – sometimes more like an adventure park than an office! When it comes to communication, I strive to keep everything clear and simple, so that even our parents’ generation can keep up. I also enjoy motivating teams and working together to achieve ambitious goals. So, that’s my story – now, let’s dive into the exciting projects ahead…

Our Experts

Mobile expert rami

Rami Kalfouni

Wed Developer
  • Web and Server Setup
  • Website Performance Optimisation
  • IT Administration and Email Management
Contact
Mobile expert juana

Juana Kliefken

Designer
  • Graphic and Web Design
  • Branding, Logo Design, and Print Marketing
  • Master's Degree in Future Research
Contact
Mobile expert sergei

Sergei Brehm

Managing Director of Campaign+
  • Email Flow Strategies and Customer Retention
  • Data Protection and AI-Powered Marketing
  • Development of Cornerstone
Contact
Mobile expert kassio

Kassio Tavares

Multimedia Designer
(en/PT)
  • UI / UX Design
  • Digital Media Strategy
  • Video Production
Contact
Mobile expert sean

Sean Jenkins

FULL STACK DEVELOPER
(en)
  • Webdevelopment (specialized in booking systems)
  • UX Design
  • Online Lead Generation
  • Mr World – Malta Titelhalter
Contact

Digital growth made playfully easy

Biene ausgeschnitten
Project
Management
Fuchs ausgeschnitten 3
Digital Transformation
Elefant ausgeschnitten
Local Retail
Igel ausgeschnitten 2
Marketing