The Founders

Julian Becker

Julian Becker

Julian has a Master’s degree in medical physics as well as a PhD in physics on the topic of semiconductor detectors. He has worked in technology-oriented roles in the past, including universities and privately funded labs.

Following his time at Cornell University, USA (August 2014-2017), Julian has become a dedicated expert on high-Z sensors.

Heinz Graafsma

Heinz Graafsma

Heinz is the CEO of X-Spectrum. He holds a degree in applied physics, and has more than 25 years of experience in developing scientific instrumentation, in particular for frontier X-ray science. He has managed scientific and technical staff for more than 15 years.

In Grenoble, France, Heinz developed and headed the Instrumentation Division of the European Synchrotron Radiation Facility, with more than 40 international scientists, engineers and technicians.

In 2006, Heinz created the Photon-Science Detector Group at DESY in Hamburg, Germany.

Stefanie Jack

Stefanie Jack

Stefanie has more than 20 years of project management experiences across different industries.

She started working with the Photon-Science Detector Group at DESY in 2008, and has taken charge of sales and marketing, conception, supervision, financial administration and financial controlling of scientific projects.

David Pennicard

David Pennicard

David studied physics and electronic engineering as an undergraduate. During his PhD. he specialised in detector development, which combines cutting-edge electronics with the goal of providing essential equipment to other scientists.

Since 2009, David has led the development of the LAMBDA camera system and high-Z detector materials for use in experiments at DESY.

Florian Quis

Florian Quis

Florian has a background in engineering and has experience in solar energy. He knows how to turn a prototype into a commercial product, and how to set up reliable supply chains.