About us

D.T.S. Duppke Touristic Services GmbH

Your travel agency for all travel and holiday matters in Bergheim/Erft nearby Cologne.
The D.T.S. Touristic Services GmbH is a tourism marketing and consulting company for foreign tourism organization, which also owns a travel agency situated in Bergheim near Cologne.

The D.T.S. Travel agency
In our travel agency are five professional travel agents working, which will help you to achieve your travel dreams.
Do you want to go on a cruise and visit the Caribbean islands?
How about an unforgettable night in the Iceland's famous Ice Hotel?
Maybe your wish is to explore the diverse world of New Zealand on a road trip?

No matter what place on earth you want to visit, we have the right offer for you.
If you prefer to experience the world in a group, we gladly arrange your personal and individual group offer.

Do you need an experienced and reliable partner to plan your business trip? Our staff is looking forward to welcome you and offer you a competent and flexible service for your business trip.

Our Team

Thomas Duppke

After 5 years living on the Canary Islands, TD came back to Germany in 1996.

He had been working over there as a tour guide, as a senior tour guide and as sales – and marketing manager for German tour operators and Spanish hotel companies.

Back in Germany, he founded DTS Duppke Touristic Services GmbH and one year later, he took over the travel agency located in the Bergheim.

Since then he advises diverse foreign hoteliers, touristic enterprises, destinations and tour operators in matters of training and in marketing.

He is considered a top specialist for the Canary Islands, for which he is working since 1990. Here he knows many hotels and their operators personally. Additionally on behalf of his representation of hotels, he has learned much in detail about different areas in destinations.

Diana Mörsch

After completing her training as a travel agent in 2005, she successfully completed her studies as a tourism specialist. Not only in her 10 years as a flight attendant, but also on some private trips, she was able to discover many beautiful corners of the world.


She has backpacked through Brazil, Colombia, New Zealand and Sri Lanka and has taken a road trip through South Africa, Florida and California. She has been also with the family in one of the beautiful Magic Life Clubs or the AIDA.

Dennis Müller

Since his vocational training, which he concluded successfully in 2002, he was temporarily in Aachen and returned to his training company. Since September 2009 he is employed as the office manager in the
DTS travel agency.

After several trips into the following regions he acquired special knowledge about Southeast Asia and in special about Thailand and Bali (Indonesia).
In Europe he knows from first-hand: Turkey, Rhodos, Ibiza Menorca, Malta, Tenerife, La Gomera as well as diverse European major cities.

Eleni Serifi

In 1996 she successfully completed her training as a travel agent in Bergheim.

After 15 years in Kerpen, she now supports our team.

We are happy that she enriches our team with their broad expertise.

She has traveled professionally and privately to many destinations in Europe including her home country Greece but also all the Canary Islands as well as various long-distance destinations in the Caribbean such as Mexico, Dominican Republic and Cuba.

In the Indian Ocean she got to know Ayurvedic healing arts in Sri Lanka and spent two wonderful weeks in Mauritius.

With the Aida in the Caribbean and with MeinSchiff in Europe her knowledge in the cruise sector is very extensive.

Sara Estepa Martinez

In October 2018, Sara Estepa started her training as a travel agent at the D.T.S travel agency.

In addition to her mother tongue Spanish, she can bring her English language skills learned at school and consolidated in New York during a two-month language stay into the training.


While traveling, she got to know the following countries: Italy, Spain, France, England, Canada and many other cities such as her hometown Barcelona.

© 2020 by D.T.S. GmbH