Contact person
The staff of Solexperts AG is made up of specialists from various fields. More than half of our employees are with Solexperts AG for more than 10 years. They guarantee quality, continuity and innovation. Below you find the contact persons for the various fields of activity.
If you would like to contact us, you can call directly via one of the extension numbers listed below or via +41 (0) 44 806 29 29. You are also welcome to send an e-mail to one of the contact persons listed below.
Executive Board

Thomas Fierz
Dipl. Kult. Ing. ETHZ
Civil Engineer
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 56
E-Mail

Dr. Thomas Trick
Dr. sc. nat., Hydrogeologe UPC
Hydrogeologist
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 81
E-Mail
Secretariat, Accounting and Human Resources

Heidi Najem
Secretary and HR Specialist
Executive Assistant and Head of HR
T 0041 44 806 29 36
E-Mail




Geotechnics

Holger Wörsching
Bau-Ing. TU
Civil Engineer
Member of the extended executive board
Division manager geotechnics /
Development of measuring systems / TDR probes /
Geotechnical instrumentation and measurements
T 0041 44 806 29 43
E-Mail

Markus Stolz
Bau-Ing. TU
Civil Engineer
Member of the extended executive board
Division manager geotechnics /
Geotechnical instrumentation and measurements / hiDCon
T 0041 44 806 29 41
E-Mail

Marcel Hubrig
Geodetic Engineer
Deputy division manager geotechnics /
Geotechnical instrumentation and measurements /
Geodetic monitoring
T 0041 44 806 29 84
E-Mail

François Chevalier
Ing. ENSG
Engineer
Project Manager
Geotechnical instrumentation and measurements /
French-speaking Switzerland
T 0041 44 806 29 34
E-Mail

Markus Guyer
Messtechniker
Technician
Project Manager
Borehole Measurements / Geotechnical instrumentation and measurements
T 0041 44 806 29 45
E-Mail



Thierry Krummenacher
Engineering Geologist ETHZ
Project Manager Geotechnics
T 0041 44 806 29 47
E-Mail

Samuel Fournier-Bidoz
Geotechnical engineer Ing. UGA
Project Manager Geotechnics and Monitoring
T 0041 44 806 29 46
E-Mail

Médéric Piedevache
Ing. ENSG
Engineer
Member of the extended executive board
Branch manager Nany, France
T 0033 3 83 94 04 50
E-Mail


Axel Fabritius
Geophysicist
Member of the extended executive board
Branch manager Solexperts GmbH Karlsruhe
Thermal leak detection / Temperature measurements
T 0049 721 600 20
E-Mail
Hydrogeology

Karam Kontar
Ing.-Geologe
Hydrogeologist CHYN
Member of the extended executive board
Division Manager Hydrogeology / Hydrogeological instrumentation and tests / Hydro-tests in shallow and deep boreholes
T 0041 44 806 29 85
E-Mail

Dr. Thomas Trick
Dr. sc. nat., Hydrogeologe UPC
Hydrogeologist
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 81
E-Mail

Thomas Fierz
Dipl. Kult. Ing. ETHZ
Civil Engineer
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 56
E-Mail

Michael Kech
Geologist
Product Manager KVZ
Member of the extended executive board
Manager Hydro Systems / Groundwater monitoring and testing systems / Mining / CO2 sequestration / Marketing / Asia, South America
T 0041 44 806 29 54
E-Mail

Jocelyn Gisiger
ETH Erdw. Geologist
Hydrogeological instrumentation and tests
T 0041 44 806 29 89
E-Mail

Yanick Lettry
Geologe / Hydrogeologist CHYN
Hydrogeological instrumentation and tests /
QM hydrogeological Instrumentation / Geochemistry
T 0041 44 806 29 53
E-Mail


Dr. Nathan Dutler
Engineering Geologist / Hydrogeologist CHYN
Project Manager
T 0041 44 806 29 59
E-Mail





Dr. Matthias Willmann
Hydrogeologist
Project manager hydrogeology and in-situ testing
T 0041 44 806 29 68
E-Mail

Gerd Klee
Geophysicist
Member of the extended executive board
Branch manager Solexperts GmbH Bochum
Hydrofrac tests / Geomechanical laboratory tests
T 0049 234 904 4715
E-Mail


Médéric Piedevache
Ing. ENSG
Engineer
Member of the extended executive board
Branch manager Nany, France
T 0033 3 83 94 04 50
E-Mail

Alain Laurent
Dipl. Hydrogéologue
Hydrogeologist
Hydro-tests in deep boreholes, Hydrogeological instrumentation and tests / Geothermal projects
T 0033 6 29 25 67 79
E-Mail
Monitoring

Holger Wörsching
Bau-Ing. TU
Civil Engineer
Member of the extended executive board
Division manager geotechnics /
Development of measuring systems / TDR probes /
Geotechnical instrumentation and measurements
T 0041 44 806 29 43
E-Mail

Markus Stolz
Bau-Ing. TU
Civil Engineer
Member of the extended executive board
Division manager geotechnics /
Geotechnical instrumentation and measurements / hiDCon
T 0041 44 806 29 41
E-Mail

Marcel Hubrig
Geodetic Engineer
Deputy division manager geotechnics /
Geotechnical instrumentation and measurements /
Geodetic monitoring
T 0041 44 806 29 84
E-Mail

François Chevalier
Ing. ENSG
Engineer
Project Manager
Geotechnical instrumentation and measurements /
French-speaking Switzerland
T 0041 44 806 29 34
E-Mail

Michael Kech
Geologist
Product Manager KVZ
Member of the extended executive board
Manager Hydro Systems / Groundwater monitoring and testing systems / Mining / CO2 sequestration / Marketing / Asia, South America
T 0041 44 806 29 54
E-Mail

Axel Fabritius
Geophysicist
Member of the extended executive board
Branch manager Solexperts GmbH Karlsruhe
Thermal leak detection / Temperature measurements
T 0049 721 600 20
E-Mail


Médéric Piedevache
Ing. ENSG
Engineer
Member of the extended executive board
Branch manager Nany, France
T 0033 3 83 94 04 50
E-Mail

Dr. Thomas Trick
Dr. sc. nat., Hydrogeologe UPC
Hydrogeologist
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 81
E-Mail

Thierry Krummenacher
Engineering Geologist ETHZ
Project Manager Geotechnics
T 0041 44 806 29 47
E-Mail

Samuel Fournier-Bidoz
Geotechnical engineer Ing. UGA
Project Manager Geotechnics and Monitoring
T 0041 44 806 29 46
E-Mail

hiDCon

Patrick Steiner
Civil Engineer
Member of the extended executive board
Division manager hiDCon
Development and design of measuring systems
T 0041 44 806 29 52
E-Mail

Markus Stolz
Bau-Ing. TU
Civil Engineer
Member of the extended executive board
Division manager geotechnics /
Geotechnical instrumentation and measurements / hiDCon
T 0041 44 806 29 41
E-Mail


Thomas Fierz
Dipl. Kult. Ing. ETHZ
Civil Engineer
Managing director Solexperts AG and branches /
Manager Solexperts France SARL /
Manager Solexperts GmbH
T 0041 44 806 29 56
E-Mail
Production, mechanical workshop, field technician

Rico Hafner
Techniker HF Maschinenbau Polymechaniker, Konstrukteur
Polymechanic, designer
Department manager hydromechanical workshop
Design engineer
T 0041 44 806 29 40
E-Mail

Simon Isler
Maschinenmechaniker, Konstrukteur
Machine mechanic, designer
Department manager geomechanical workshop
Design engineer
T 0041 44 806 29 64
E-Mail




Dmitriy Putarev
Certified agricultural technician
Production, assembly, field technician
T 0041 44 806 29 29
E-Mail


Peter Haller
Machine assembler
Field technician, deputy head of in-situ workshop
T 0041 44 806 29 77
E-Mail




Ivitsa Alexandrov
Technician
hiDCon Production, assembly, field technician
T 0041 44 806 29 29
E-Mail

Deyan Alexandrov
Technician
hiDCon Production, assembly, field technician
T 0041 44 806 29 29
E-Mail





Electronics

Thomas Pichler
Electrical Engineer
Member of the extended executive board
Department manager electronics
Hard- and software development
T 0041 44 806 29 83
E-Mail

Roland Leu
Electronics Technician
Deputy department manager electronics
Hard- and software development, Purchasing
T 0041 44 806 29 65
E-Mail




Design and development

Patrick Steiner
Civil Engineer
Member of the extended executive board
Division manager hiDCon
Development and design of measuring systems
T 0041 44 806 29 52
E-Mail

Rico Hafner
Techniker HF Maschinenbau Polymechaniker, Konstrukteur
Polymechanic, designer
Department manager hydromechanical workshop
Design engineer
T 0041 44 806 29 40
E-Mail


Simon Isler
Maschinenmechaniker, Konstrukteur
Machine mechanic, designer
Department manager geomechanical workshop
Design engineer
T 0041 44 806 29 64
E-Mail


Thomas Pichler
Electrical Engineer
Member of the extended executive board
Department manager electronics
Hard- and software development
T 0041 44 806 29 83
E-Mail
Solexperts France SARL

Médéric Piedevache
Ing. ENSG
Engineer
Member of the extended executive board
Branch manager Nany, France
T 0033 3 83 94 04 50
E-Mail

Alain Laurent
Dipl. Hydrogéologue
Hydrogeologist
Hydro-tests in deep boreholes, Hydrogeological instrumentation and tests / Geothermal projects
T 0033 6 29 25 67 79
E-Mail

Benjamin Helmlinger
Ing. ENSG
Engineer
Hydrogeological instrumentation, R&D
T 0033 3 83 94 04 53
E-Mail








Solexperts GmbH, MeSy Bochum

Gerd Klee
Geophysicist
Member of the extended executive board
Branch manager Solexperts GmbH Bochum
Hydrofrac tests / Geomechanical laboratory tests
T 0049 234 904 4715
E-Mail





Tobias Bunse
Technical physical laboratory technician
Field and laboratory technician
T 0049 234 904 4717
E-Mail

Fabian Storz
Physical-technical assistant
Field and laboratory technician
T 0049 234 904 4717
E-Mail

Solexperts GmbH, GTC Karlsruhe

Axel Fabritius
Geophysicist
Member of the extended executive board
Branch manager Solexperts GmbH Karlsruhe
Thermal leak detection / Temperature measurements
T 0049 721 600 20
E-Mail






