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 founding 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 carbonate sedimentology from the University of Fribourg. He leads research and development as well as microscopy at Particle Vision, where he has been active since 2016. He is also an external researcher at the University of Fribourg. From 2013 to 2016, he served as a postdoctoral assistant and was responsible for the micro-CT lab at the Department of Earth Sciences.
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. Prior to joining, he worked at L’Oréal Suisse in e-commerce and key account management, and at SwissCommerce, where he contributed to M&A and business planning. 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 environmental innovation.
Prof. Bernard Grobéty - Scientific Advisor
Bernard Grobéty is a professor 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, with a PhD in geosciences and extensive experience in the application of SEM/EDX to environmental samples. At Particle Vision, she leads the microscopic analysis of airborne particles. Her scientific rigor and technical expertise ensure the precision and reliability of our morpho-chemical datasets.
Raphael Kunz, B.Sc. - Microscopist and Field Assistant
Raphael Kunz holds a BSc in geosciences and specializes in scanning electron microscopy and sample preparation. At Particle Vision, he supports both laboratory operations and field deployments, contributing to particle imaging, data acquisition, and quality control. His combined experience in microscopy and on-site measurement campaigns ensures consistent and reliable results from sampling to analysis.
