The “DD” Box

Founded in 2018, DoubleD CrossFit provides an unmatched fitness program that helps people of all ages to improve their quality of life.
From beginner to advanced, young to “not so young”, skinny to “not so skinny” our training methods produce incredible and visible RESULTS for everyone.
Drop in for this amazing experience.


My name is David and I’m a Portuguese guy living in Luxemburg.
Back in 2010 I accomplished my Bachelor in Administration and Management in Portugal but since I was a little kid doing sports was a must in my life. After my studies I quickly understood that it had not been the best decision for me, so I grabbed the opportunity and studied again, this time as a Personal Trainer and a Class Instructor. There I found my passion for coaching others. Since 2012 I’m a coach in a local gym and back then was also my first contact with CrossFit. June 2017 changed my life with the “L1CrossFit Trainer” certificate, and the DoubleD Project started to have some lines.
I hope I can show my passion trough my coaching.

“it’s you vs you”


Anne Eicher – Coach

“My name is Anne, and I am a secondary school teacher. I have been doing Crossfit for more than three years and I have trained for long time periods in different countries and boxes (Spain, Belgium and Luxembourg). Knowing me since many years, our Headcoach David asked me if I would like to help him out occasionally in the box. As I love to teach and coach, I agreed, accomplished the “L1 CrossFit Trainer” certificate and started giving classes at DoubleD Crossfit.”

“Stay positive. Stay fighting. Stay brave. Stay ambitious. Stay focused. Stay strong.”


Greg Diederich – Coach

“Mein Name ist Greg un ich bin Student an der Sporthochschule in Köln. Ich war in meiner Jugend Leistungsschwimmer und habe nach dem Schwimmen mit Kraftsport im Fitness angefangen.2020 habe ich meine Liebe zum CrossFit entdeckt und betreibe seitdem mit voller Motivation diesen Sport.
Ich habe 2021 die. Fitnesstrainer B-Lizenz und 2022 Personaltrainer Lizenz absolviert. Ich habe 2021 mein Praktikum für mein. Studium in der Box gemacht und. bin glücklich seitdem im DoubleD CrossFit zu Coachen

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