Coaching

Our certified coaches bring years of experience and a deep commitment to helping you move better and achieve your goals. Every session is designed with attention to technique, safety, and sustainable progress. Whether you're new to fitness or an experienced athlete, our coaches meet you where you are and guide you forward with personalized attention and expert programming.

Meet the Team (sorted by level & experience)

Michael Ostermann — CF-L2

• Favourite Exercises: Snatch
• Languages: German, English
• CrossFit since: 2011
• Coaching since: 2013
• Certifications: CrossFit Level 2, CrossFit Judge, CrossFit Gymnastics, CrossFit Weightlifting, CrossFit Kettlebell, CrossFit Scaling, BirdBox Coaching (04/2024)

Yvette Luna Ostermann — CF-L2

• Favourite Exercises: HSPU, Pistols
• Languages: English, Spanish, (some) German
• CrossFit since: 2011
• Coaching since: 2013
• Certifications: CrossFit Level 2, CrossFit Football, CrossFit Gymnastics, CrossFit Kids, CrossFit Weightlifting, CrossFit Aerobic Capacity, CrossFit Judge

Theresa Weese — CF-L2

• Favourite Exercises: Clean, Wall balls
• Languages: German, English
• CrossFit since: 02/2015
• Coaching since: 11/2015
• Certifications: CrossFit Level 2, CrossFit Judge, CrossFit Sport-Specific Application, CrossFit Kettlebell, CrossFit Gymnastics, CrossFit Scaling

Ben Esteves — CF-L2
Details

• Specialty: Gymnastics & bodyweight coaching
• Favourite Exercises: Ring muscle-ups, snatches, handstand
• Languages: English, Japanese, German
• CrossFit since: 2017
• Coaching since: 2020
• Certifications: CrossFit Level 2, CrossFit Gymnastics L1, CrossFit Weightlifting L1

Niko Klymenko — CF-L1

• Favourite Exercises: Snatch, ring muscle-up
• Languages: German, English, Ukrainian
• CrossFit since: 2015
• Coaching since: 2018
• Certifications: CrossFit Level 1 (12/2020)

Alexandra Bickert-Kalb — CF-L1

• Favourite Exercises: Box jumps, rope climbs
• CrossFit since: 02/2020
• Coaching since: 03/2022
• Certifications: CrossFit Level 1 (06/2022)

Louis Mathe — CF-L1

• Background: Former German National Team (Ski Cross)
• Favourite Exercises: Pulling movements, cleans, lunges, squats, running/sprinting
• CrossFit since: 2021
• Coaching since: 08/2023
• Certifications: CrossFit Level 1 (10/2023), DOSB Trainer C/B/A

Sophia Stotz — CF-L1

• Background: Karate, athletics, gymnastics; active competitor since 2017
• Favourite Exercises: Pull-ups, DB snatch
• CrossFit since: 01/2019
• Coaching since: 01/2025
• Certifications: CrossFit Level 1

Tobias Kundmüller — CF-L1

• Favourite Exercises: Bar muscle-up, burpees, box jumps
• Languages: German, English
• CrossFit since: 07/2022
• Coaching since: 08/2024
• Certifications: CrossFit Level 1 (08/2024), CrossFit Scaling (08/2024), CrossFit Spot the Flaw (09/2024), Fitness Instructor C/B/A (11/2024–02/2025), Burgener Strength L1 (03/2025), Birdbox Coaching (08/2025)

Simone Kaster — CF-L1

• Background: Formation skydiving athlete & instructor
• Favourite Exercises: Bar muscle-up, push-up
• Languages: German, English
• CrossFit since: 12/2022
• Coaching since: 04/2025
• Certifications: CrossFit Level 1 (04/2025), Burgener Strength L1 (03/2025), DSSV Fitness Trainer (07/2013)

Want to train with us? Check the schedule or contact us.