Stignergy is first of all a highly qualified team daily committed for maximum quality of services.

Operational team

Sami Najjar Sami Najjar: CEO and Founder of Stignergy SA

After an experience as a development engineer at Cable & Wireless, British multinational, he founded in 2004 Neurocom SARL. A start-up based in Science Park at EPFL, active in the field of Machine to Machine (M2M) systems. In 2006, he created Keycom SA, which develops and markets different platforms of operational control and remote management for buildings. Which are  based on  information systems.

Sami Najjar is HES Engineer in electronics with a specialization in telecommunications and computer from the High School of Engineering and Management of the Canton of Vaud (HEIG-VD).

E-mail :
Mobile : + 41 76 223 53 15

Alexandre Wetzel Alexandre Wetzel: CTO

Software development specialist in networking and mobility. He completed his EPFL Master thesis at Neurocom SARL participating in the development of the SEMS project.

Alexander Wetzel has a Master in Communication Systems from the Ecole Polytechnique Fédérale de Lausanne (EPFL).

E-mail :
Mobile : +41 79 773 66 01

Montassar Ben Abdallah Montassar Ben Abdallah: Production Manager and Quality

Hardware and programming of embedded systems specialist, he completed his final year project(PFE) at the eMbedded Information Systems Institute (MIS), High School of Engineering and Management of the Canton of Vaud (HEIG-VD).

Montassar Ben Abdallah graduated in electrical engineering, electronics and microelectronics options at the National School of Engineers of Tunis (ENIT).

E-mail :
Mobile : +41 24 557 90 58

Richard Lavanchy Richard Lavanchy: Energy Systems Engineer

Several years of experiences in electrical installation in the industrial sector and in particular as Ground Crew within Solar Impulse SA in charge of the maintenance and distribution of the electrical grid of the mobile hangar. Richard Lavanchy is responsible for the operational implementation and commissioning of the SEMS system in the facilities.

Richard Lavanchy has a Bachelor in Electrical Engineer from the High School of Engineering and Management of the Canton of Vaud (HEIG-VD), ERACOM diploma of electrical technician and Swiss Federal Certificate of Qualification in electrical fitter

E-mail :
Mobile : +41 79 707 48 55