John Rossen
Delivering an international brand of excellent customer experience.
- Role
- Travel Agent at Daylin Travel
- Location
- Tampa, FL, US
- LinkedIn followers
- 500 followers
About John Rossen
I’m a customer-focused IT professional who blends technical expertise with a warm, multilingual approach to support. Whether assisting guests, resolving service desk tickets, or managing enterprise systems, I prioritize clarity, empathy, and efficiency in every interaction.With over a decade of experience across academic labs, enterprise platforms, and entrepreneurial ventures, I’ve developed a strong foundation in troubleshooting, documentation, and secure operations. I’m CompTIA Security+ certified and have hands-on experience with platforms like Active Directory, Salesforce, SAP, and CRM systems.Fluent in English, French, and Spanish, I thrive in diverse environments where communication and technical precision go hand in hand. My goal is to create seamless user experiences while ensuring the systems behind them are stable, secure, and well-supported.
Experience
Travel Agent
Oct 2025 — Present · Tampa, FL, US
Registered Independent Agent TI124945 for Daylin Travel LLC, State of Florida Seller of Travel Reg. ST 45045, bonded and insured in Florida, USA.Daylin Travel is an accredited member of CLIA.Services are available to residents of all U.S. states except California, in accordance with state law.
Education
EPFL
Minor, Management of Technology and Entrepreneurship
2009 — 2009
EPFL
Doctor of Philosophy (Ph.D.), Materials Science
2010 — 2014
Collège Calvin (Genève, CH)
Maturité fédérale with merit, Physics and mathematics
2001 — 2005
EPFL
Master of Science (M.Sc.), Materials Science and Engineering
2005 — 2010
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