Team
Six people, and what each of them is qualified to do
A small team, which is why the same faces are there when you come. Qualifications are listed as held, not as aspirations.
Trainers

Mareike Voss
Managing director, course lead
Opened the Sportpark in 2016 after eight years running courses at a Wolfenbüttel sports club. Teaches back, Pilates and postnatal recovery.
Qualifications
- Fitness trainer B licence (BSA)
- Postnatal recovery instructor
- First aid, refreshed every two years

Tobias Krüger
Strength and rehabilitation
Sports scientist. Runs the strength area, the rehab groups and the technique block that every teen goes through before free weights.
Qualifications
- M.A. Sports Science, TU Braunschweig
- Rehabilitation sport instructor (DBS)
- Youth strength training certificate

Selin Aydın
Children's programmes
Leads gymnastics, ball school and kids athletics, and plans the parallel timetable so that adult and kids sessions actually line up.
Qualifications
- Instructor C, youth and community sport (DOSB)
- Paediatric first aid, refreshed every two years
- Extended certificate of good conduct on file

Jonas Behrend
Courses and teen training
Teaches Functional Fit, Boxfit and the teen evenings. Grew up two streets away and trained here as a teenager himself.
Qualifications
- Fitness specialist (IHK)
- Fitness trainer B licence
- Extended certificate of good conduct on file
A separate team
Childcare
Childcare is a separate team with separate qualifications. Trainers do not cover the childcare room, and childcare staff do not run classes.
Anke Röhl
Head of childcare
State-recognised educator with fourteen years in a Wolfenbüttel day nursery. Sets the childcare rules here and is the person who decides when a group is closed.
Qualifications
- State-recognised educator (staatlich anerkannte Erzieherin)
- Extended certificate of good conduct under § 30a BZRG, renewed every five years
- Paediatric first aid (9 units), refreshed every two years
- Child protection training under § 8a SGB VIII
No portrait — Anke works in the childcare room and asked not to have a photo on the site.
Petra Lindemann
Childcare
Paediatric nurse by training, with us since 2019. Works the morning groups and knows most of the regulars by name.
Qualifications
- Certified paediatric nurse (Kinderpflegerin)
- Extended certificate of good conduct under § 30a BZRG
- Paediatric first aid (9 units), refreshed every two years
No portrait — Petra works in the childcare room and asked not to have a photo on the site.
Working here
We hire slowly and we check certificates before a first shift. If you are an instructor with a DOSB licence or an educator looking for morning hours, write to hallo@sportpark-lessing.de.