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Our specialists


Your benefit

Just like clockwork, our team is as well-coordinated as cogwheels.

Alexander Dupp is a publicly appointed and sworn expert as well as an internationally certified and approved expert. He specializes in the field of building security, in particular windows, doors, gates, and roller shutters. In cooperation with experienced team colleagues and highly competent partners and their specializations, the Alexander Dupp expert office covers various trades in general building construction. We are pleased to be able to offer our customers a comprehensive portfolio of different services from a single source.

 

ALEXANDER DUPP

Management

  • Master Carpenter
  • Bachelor Professional in Carpentry
  • Designer and inspector for burglary and bullet-resistant components
  • Publicly appointed and sworn expert
  • Internationally certified and approved according to DIN EN ISO/IEC 17024
  • Expert for power-operated doors and gates
  • Owner of
    Sachverständigenbüro Alexander Dupp & Kollegen
  • Managing Director and Operations Manager of the
    ADT Alexander Dupp TELZ GmbH & Co.KG
  • Managing Director of
    Alexander Dupp elektrische Sicherheit GmbH & Co.KG

phone:    +49 64 85.18 03 31
e-mail:      a.dupp@alexanderdupp.de

 

Anja Schüller

Anja Schüller

Assistance to the management

phone:    +49 6485.2179831
e-mail:      a.schueller@alexanderdupp.de

Timo Schreiner

Timo Schreiner

Assistance to the Operations Management TELZ

phone:   +49 6435.5437810
mobil:       +49 173 1948799
e-mail:      t.schreiner@alexanderdupp.de

Kerstin Schmidt

Kerstin Schmidt

Administration Expert Office TELZ

phone:    +49 6485.2179834
e-mail:      k.schmidt@alexanderdupp.de

Ramona Klein

Ramona Klein

Administration Expert Office SV-Büro

phone:    +49 64 85.18 03 31
e-mail:      r.klein@alexanderdupp.de

Carola Dupp-Mattern

Carola Dupp-Mattern

Administration Expert Office SV-Büro

phone:    +49 6485.18 03 31
e-mail:      info@alexanderdupp.de

Luisa Schaaf

Luisa Schaaf

Expert for the glazier trade and window construction technology
Deputy plant management TELZ

phone:    +49 6485.2179833
e-mail:      l.schaaf@alexanderdupp.de

Eike Gehrts

Eike Gehrts

Expert for windows, doors, wood and wood products

phone:    +49 160 97270016
e-mail:      e.gehrts@alexanderdupp.de

Ulrich Kurzmann

Ulrich Kurzmann

Expert for windows and doors,
Security technology

phone:    +49 172 1492787
e-mail:      u.kurzmann@alexanderdupp.de

Arne Hansen

Arne Hansen

Technical employee (NL Sylt)

phone:    +49 4651.8044444
mobil:       +49 151 27615207
e-mail:      a.hansen@alexanderdupp.de

Martin Wottke

Martin Wottke

Technical management TELZ

phone:    +49 6435.5437810
e-mail:      m.wottke@alexanderdupp.de
 

Ricardo Serrano

Ricardo Serrano

Technical employee TELZ

phone:     +49 6435.5437810
e-mail:      info@alexanderdupp.de

Marcus Schüller

Marcus Schüller

Technical employee TELZ

phone:    +49 6435.5437810
e-mail:      m.schueller@alexanderdupp.de

Lukas Wottke

Lukas Wottke

Technical employee TELZ

phone:    +49 6435.5437810
e-mail:      l.wottke@alexanderdupp.de

Achim Jäger

Achim Jäger

Technical employee TELZ

phone:    +49 6435.5437810
e-mail:      info@alexanderdupp.de

Frank Zahel

Frank Zahel

Freelancer—Specialist planner for preventive fire protection

mobil:    +49 151 24014074
e-mail:      f.zahel@alexanderdupp.de

Patrick Spies

Patrick Spies

Freelancer—Publicly appointed and sworn expert for the carpentry trade

mobil:    +49 160 8078088
e-mail:     p.spies@alexanderdupp.de

Stefan Bollow

Stefan Bollow

Freelancer—Expert with focus on assessment of building, moisture, water, and mould damage

phone:    +49 40.41164404
e-mail:      s.bollow@alexanderdupp.de

Stephan Schmidt-Wünkhaus

Stephan Schmidt-Wünkhaus

Freelancer - IfS-certified expert for damage to buildings

mobil:    +49 172 411 69 69
e-mail:       s.schmidt-wuenkhaus@alexanderdupp.de

Roland Popp

Roland Popp

Freelancer—Security Consultant, Focus: Bullet resistance, perimeter protection, detection and video surveillance systems, security analyses

phone:    +49 170 4411094
e-mail:      r.popp@alexanderdupp.de

Olaf Vögele

Olaf Vögele

Freelancer—Expert for the roller shutter and sun protection technician trade

phone:    +49 7130.4053657
e-mail:      o.voegele@alexanderdupp.de

Thomas Sucke

Thomas Sucke

Freelancer - Master carpenter

mobil:    +49 176 36076202
e-mail:      t.sucke@alexanderdupp.de

Jörg Stahlmann

Jörg Stahlmann

Freelancer—master carpenter—focus: project management, product, and process optimization for window construction and structural element assembly

mobil:    +49 176 21919512
e-mail:      j.stahlmann@alexanderdupp.de

Lutz Lawer

Lutz Lawer

Freelancer—Publicly appointed and sworn expert of the Hamburg Chamber of Crafts for the carpentry trade

phone:    +49 40.7326030
e-mail:      l.lawer@alexanderdupp.de

Wolfgang Brust

Wolfgang Brust

Freelancer—Publicly appointed and sworn expert for the carpentry trade

phone:    +49 157 53174064
e-mail:      w.brust@alexanderdupp.de

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