The Werkself – our team | Bayer 04 Leverkusen

Werkself

Mark
Flekken

Goal

Coaches/staff

Coaches

Sergi Runge

Assistant Coach

David Thiel

Goalkeeping coach

Miguel Angel Campos Vasquez

Assistant coach analysis

Simon Lackmann

First-team analyst

Dr. Malte Krüger

Head of sports science and fitness

Prisca Volmary

Sports scientist

Staff

Hans-Peter Lehnhoff

Team liaison manager

Dr. Karl-Heinrich Dittmar

Head team doctor

Dr. Philipp Ehrenstein

Team doctor

Dr. Stefan Porten

Team doctor

Sven Elsinger

Head of physiotherapy and rehabilitation

Ill-Han Yu

Head physiotherapist

Florian Kroder

Physiotherapist

Jonas Schmitt

Physiotherapist

David Jann

Physiotherapist

Stephan Hartner

Physiotherapist

Ahura Bassimtabar

Physiotherapist

Christian Beckers

Head of support staff

Martin Kowatzki

Support staff

Markus Irmer

Support staff

Lena Kadlec

Sports Nutritionist (External)

Werkstatt

Carsten Rademacher

Head of department

Hans-Jörg Schneider

Physiotherapist

Florian Cordes

Physiotherapist

Nematollah Beigizadeh

Physiotherapist

Philipp Karcher

Physiotherapist/ Rehabilitation trainer

Tim Hielscher

Physiotherapist, Osteopath and Sports Scientist

Gregor Stumpf

Rehabilitation trainer

Vladislav Kats

Rehabilitation trainer

Sabine Christmann-Schaaf

Administrative management and medical assistant

News

Begegnungslog Bayer 04 und PSV Eindhoven

Champions League - 09.09.2025

Tickets for the Champions League home game against PSV

The Werkself entertain PSV in the first home game in the 2025/26 UEFA Champions League campaign. The game on Matchday 2 is at the BayArena on Wednesday, 1 October with the kick-off at 21:00 CEST. Information on ticket sales.

Bayer 04 - 06.09.2025

International updates: Ben Seghir qualifies for World Cup - Spain secure resounding victory

Numerous Bayer 04 players are currently away with their respective national teams and are mainly involved in qualifiers for the 2026 World Cup to be held in the USA, Canada and Mexico. Read on for the blog covering the Werkself players on international duty.

Champions League - 05.09.2025

Tickets for the away game at FC Copenhagen

The Werkself are away to FC Copenhagen to kick off the 2025/26 UEFA Champions League campaign. The match at the current champions of Denmark will be played on Thursday, 18 September at 18:45. Read on for information on ticket sales.

Bundesliga - 04.09.2025

DFL schedules matchdays 6 to 12 - Saturday night home game against BVB

The German Football League (DFL) has confirmed the details for matchdays six to twelve in the 2025/26 Bundesliga season. Read on for details of the fixtures.

DFB-Pokal - 03.09.2025

DFB Pokal 2025/26: Second round clash in Paderborn scheduled for 29 October

The exact dates for the second round of the 2025/26 DFB Pokal have been finalised. Accordingly, Bayer 04's away match at Bundesliga 2 side SC Paderborn 07 will be played on Wednesday, 29 October at 18:00 CET (live on Sky). This was announced by the German Football Association (DFB) today, Wednesday.

News centre

Videos

Werkself lässt ersten Sieg liegen | 2. Spieltag

Werkself-TV - 30.08.2025

TV highlights of 3-3 draw at SV Werder Bremen

Werkself-TV shows the highlights of Bayer 04's 3-3 draw at SV Werder Bremen on the 2nd matchday of the Bundesliga 2025/26...

Die PK vor dem Auswärtsspiel beim SV Werder Bremen | 2. Spieltag

Werkself-TV - 29.08.2025

Ten Hag ahead of #SVWB04: “Clear goal is a win” before international break

Bayer 04 play their first away game of the 2025/26 Bundesliga season as they visit Werder Bremen on Saturday (kick-off: 3.30pm CEST). Ahead of the Matchday 2 encounter, head coach Erik ten Hag spoke about the lessons from the opening defeat to Hoffenheim and the clear goal of wanting to win in Bremen.

Werkself beaten by Hoffenheim in Bundesliga opener | 1st matchday

Werkself-TV - 23.08.2025

TV highlights of 1-2 loss against TSG Hoffenheim

Werkself-TV shows the highlights of Bayer 04's 1-2 loss against TSG Hoffenheim on the 1st matchday of the Bundesliga 2025/26...

Die PK vor dem Bundesliga-Start gegen Hoffenheim | 1. Spieltag

Werkself-TV - 22.08.2025

Ten Hag ahead of #B04TSG: ‘A very, very good team spirit’

The Bundesliga is back! Bayer 04 entertain TSG Hoffenheim on Matchday 1 of the 2025/26 season on Saturday, 23 August (kick-off: 15:30 CEST). Ahead of the game, head coach Erik ten Hag talked about the palpable excitement ahead of the league start for the team and himself, as well as providing a squad update and discussing the latest new signings.