Juanita Rausch, PhD - Director
Juanita Rausch is a geologist and particle analysis specialist with deep expertise in morpho-chemical single particle characterization. She holds a PhD from the University of Fribourg, where she investigated volcanic fragmentation processes and fine particle dynamics. Before Particle Vision, she worked as a teaching assistant in geosciences and completed a research internship at the Hawaiian Volcano Observatory. As Director, she leads the scientific and operational direction of the company, ensuring methodological excellence and application-oriented results.
David Jaramillo, PhD - R&D & Microscopy
David is a geologist with a Diplom (MSc) from the University of Hamburg and a PhD in sedimentology from the University of Fribourg. He leads Research & Development as well as the Microscopy Laboratory at Particle Vision, where he has been active since 2016. With extensive experience in the application of SEM/EDX to environmental samples, he oversees and continuously develops the microscopy analysis of airborne particles.
Daniel Jaramillo, MBA - Business Development
Daniel brings over a decade of international experience in business development, e-commerce, and strategy. At Particle Vision, he leads global growth initiatives, product portfolio development, and strategic collaborations. He holds an MBA from IMD (Switzerland), an MSc in Strategic Management from RSM (Netherlands), and a BBA from Universidad de los Andes (Colombia). Daniel speaks five languages and combines commercial expertise with a strong interest in innovation and sustainable development.
Prof. Bernard Grobéty - Scientific Advisor
Bernard Grobéty is a professor emeritus of mineralogy and materials science at the University of Fribourg and a recognized expert in the morpho-chemical analysis of airborne particles. His research has contributed significantly to the development of single particle characterization techniques using SEM/EDX. At Particle Vision, he serves as scientific advisor, supporting the advancement of particle forensics methodologies and ensuring rigorous academic foundations. He has co-authored numerous peer-reviewed publications and regularly collaborates with environmental authorities and interdisciplinary research teams.
Ildiko Katona Serneels, PhD - Microscopist
Ildikó Katona Serneels is a specialist in electron microscopy and mineralogical analysis, holding a PhD in geosciences. She has extensive experience applying SEM/EDX techniques to environmental samples. At Particle Vision, she is responsible for preparing and analyzing environmental samples, ensuring high-quality data throughout our laboratory workflows. In addition to her technical role, she supports key operational processes.
Raphael Kunz, M.Sc. - Microscopist and Field Assistant
Raphael Kunz holds a MSc in geosciences and specializes in scanning electron microscopy and sample preparation. At Particle Vision, he supports both laboratory operations and field deployments.
