In September 2007 David joined the Mesoscale Chemical Systems group at the University of Twente, Enschede, The Netherlands, to work in a project entitled ‘Efficient Sonochemical Microreactors’. On 26 October 2012 David obtained his PhD thesis called ‘Taming acoustic cavitation’.

David is currently busy with several research projects and teaching duties as Assistant Professor among which: (I) Solar2Fuel cells: Use of solar energy and water to produce hydrogen and (II) Co-founder of a spin-off company in collaboration with his colleague Bram Verhaagen named Bµbclean.

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Stefan Kooij (1968) obtained his PhD from the University of Utrecht in 1997 for work on electrochemistry and luminescence of porous silicon. From 1997-2000 he worked in the Condensed Matter group at the Vrije Universiteit (headed by Prof. R. Griessen), where his work was in the field of metal hydride films with switchable optical properties, focusing on electrochemical control. In 2000 he became assistant professor in the Solid State Physics group at the University of Twente; at this moment he is associate professor in the Physics of Interface and Nanomaterials group, also in Twente. Presently his primary research interests are in the range of assembly and characterization of micro- and nanostructured solid/liquid interfaces. Topics include assembly and characterization of plasmonic nanoparticles, innovative metal patterning from solution, surface nanobubbles, wetting behavior of hierarchically rough colloidal assemblies, electrochemical scanning tunneling microscopy and directional wetting of chemically stripe-patterned surfaces.

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Harold Zandvliet (1963) obtained in 1990 a PhD in Applied Physics from the University of Twente. Subsequently, he worked at Philips Research Laboratories in Eindhoven. At Philips he was member of a small team that built one of the first high-temperature scanning tunneling microscopes in the world. Since 2005 he is a professor at the University of Twente. At present his major research interests are in the field of surface science, solid-liquid interfaces, surface nanobubbles, scanning tunneling microscopy and spectroscopy, low dimensional systems, spontaneous pattern formation on surfaces and molecular electronics.

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Krijn P. de Jong received his BSc (1976), MSc (1978) and PhD (1982) in chemistry, all degrees cum laude at Utrecht University. In 1987 he also obtained an MSc degree in chemical engineering from Twente University. From 1982-1997 he was with Shell Research working on catalyst preparation, heavy oil conversion, environmental processes, zeolite catalysis and synthesis gas production and conversion. In 1997 he was appointed as professor of inorganic chemistry and catalysis at Utrecht University.

His current research interests are catalyst synthesis, electron tomography of nanostructured catalysts, hydrocarbon conversions over zeolites, catalysts for liquid-phase catalysis, conversion of synthesis gas to fuels and chemicals and hydrogen storage. He has published over 200 scientific papers and 30 patents. He is currently the Scientific Director of the Debye Institute for Nanomaterials Science of Utrecht University. He has received a.o. the Unilever Chemistry Award in 1977, the Shell Patent Award in 1987 and in 1991, an NWO TOP Research Grant in 2008, the Award for Excellence in Natural Gas Conversion in 2013 and an ERC Advanced Grant in 2013.

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Jan Eijkel received his masters in pharmacy at the University of Amsterdam and his Ph.D. degree in 1995 at the University of Twente with prof.dr. Piet Bergveld. He then became postdoc at Imperial College London with prof. Andreas Manz. Since 2010 he is full professor Nanofluidics for Lab on a Chip Applications at Twente University.

The focus of his research is on the investigation of physicochemical phenomena in micro- and nanofluidic systems, and their practical applications e.g. in Point of Care systems. These investigations include capillary phenomena such as filling and drying, osmosis, o/w two-phase flow, transport and separation of ions and DNA and fluidic energy generation. Jan Eijkel is editor of the Microfluidics and Nanofluidics journal and member of the Executive Technical Program Committee of the MicroTAS conference.

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Dr. Wouter Olthuis received his PhD in 1990 and is currently associate professor in the BIOS Lab-on-Chip group of the MESA+ Institute of Nanotechnology at the University of Twente and is as such responsible for the theme Electrochemical sensors and Sensor systems. He has been supervising many projects on both physical and (bio)chemical sensors and sensor systems for medical and environmental applications. He has co-authored over 120 papers (H=24) and 7 patents. From 2006 until 2011 he was also the Director of the Educational Programme of Electrical Engineering at the Faculty of Electrical Engineering, Mathematics and Computer Science at the University of Twente. Currently, he is appointed officer on education in the executive committee of the IEEE Benelux section.

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