Team Members – The Stocker Lab (2025)

Team Members – The Stocker Lab (1)

One of the most exciting aspects of working at the interfacebetween fluid mechanics, organism ecology, and oceanography is the diverse set of skills and tools that can contribute to the advancement of our knowledge. This is reflected in the composition of our group, which includes engineers, physicists, mathematicians, microbiologists, and ecologists.

Interested in joining the group?

Send us an email!

The Stocker lab team

Roman Stocker

Principal Investigator

Research Focus:
Fluid dynamics, environmental microfluidics, marine microbial ecology

Office: HIF D 93.1
romanstocker@ethz.ch
CV

Joaquin Jimenez-Martinez

Research Affiliate – PI SEP Group

Research Focus:
Transport and reaction phenomena in subsurface, multiphase systems, microfluidics and field-scale experimentation

Office: HIF E 16.1
jjimenez@ethz.ch
joaquin.jimenez@eawag.ch
https://sepgroup.ethz.ch/

Eleonora Secchi

Senior Scientist – PI BioMatter Microfluidics

Research Focus:
Optical techniques applied to flow visualization at the microscale, microfluidics, active suspension and biofilm

Office: HIF D 91.2
secchi@ifu.baug.ethz.ch
https://biom2.ethz.ch/

Luiz da Silva

Senior Researcher

Research Focus:
Ecohydraulics, hydropower, fish and flow interactions, freshwater ecology, habitat modelling

Office: HIF D 22.1
lumartins@ethz.chhttps://n.ethz.ch/~lumartins/

Jonasz Slomka

Senior Researcher – Ambizione Fellow

Research Focus:
BioEncounters – encounters between microorganisms in space and time

Office: HIF D 22.1
slomka@ifu.baug.ethz.ch
https://n.ethz.ch/~jslomka/

Johannes Keegstra

SENIOR RESEARCHER

Research Focus:
Microbial diversity, oceanic carbon cycle, growth and motility in oligotrophic environments

Office: HIF D 91.1
keegstra@ifu.baug.ethz.ch

Matthias Willmann

Lecturer

Co-founder and partner at Groundwater Scientific GmbHLecturer at ETH Zurich

willmann@ifu.baug.ethz.chhttps://groundwaterscientific.ch/

Russell Naisbit

Scientific Editor

naisbit@ifu.baug.ethz.ch

Elisabetta Vannoni Thäler

Scientific Program Manager (PriME)

Office: HIF D 29
evannoni@ethz.ch
https://www.primecollaboration.org/

Ela Burmeister

Lab Manager

Office: HIF D 91.2
elas@ethz.ch

Joëlle Robinson

Administrative Assistant

Office: HIF D 27.2
joeller@ethz.ch

Samuel Charlton

Postdoctoral Researcher – Directly supervised by Eleonora Secchi

Research Focus:
Soft matter, rheology and hydraulic resistance of multicellular bacterial communities

Office: HIF D 91.1
scharlton@ethz.ch

Stefano Ugolini

Postdoctoral Researcher

Research Focus:
Microfabrication, microfluidic systems for studying cellular dynamics

Office: HIF D 22.2
gugolini@ethz.ch

Richard Henshaw

Postdoctoral Researcher

Research Focus:
Marine microbial interactions, chemotaxis, biophysics, microfluidic systems

Office: HIF E 14.2
rhenshaw@ethz.ch

Mathieu Forget

Postdoctoral Researcher

Research Focus:
Biophysics of microbial interactions, motility and chemotaxis, symbiosis, eco-evolutionary processes

Office: HIF D 20.2
mforget@ethz.ch

Estelle Clerc

Postdoctoral Researcher

Research Focus:
In situ microfluidics for marine microbial ecology and chemotaxis, microbial community dynamics

Office: HIF E 14.2 clerc@ifu.baug.ethz.ch
www.cellx.ch

Tommaso Redaelli

Postdoctoral Researcher

Research Focus:
Space time effect on bacterial community metabolism

Office: HIF D 22.2
tredaelli@ethz.ch

Elisa Romanelli

Postdoctoral Researcher

Research Focus:
Biochemical oceanography, particle-bacteria interactions, biological carbon pump

Office: HIF D 20.2
eromanelli@ethz.ch

Pauline Roux

Postdoctoral Researcher

Research Focus:
In situ microfluidics for marine microbialchemotaxis, microbial ecology, microbialcommunity dynamics

Office: HIF E 14.2
paroux@ethz.ch

Fabienne Kurt

Postdoctoral Researcher

Research Focus:
Characterization and engineering of microbial consortia for pollutant degradation, with a focus on bioprocess design and scale-up

Office: HIF E 14.2
fkurt@ethz.chwww.cellx.ch

Ariel Chazan

Postdoctoral Researcher

Research Focus:
Microbial light-harvesting

Office: HIF D 22.2
achazan@ethz.ch

Juanita Lara Gutierrez

Doctoral Student

Research Focus:
Bacterial physiology and systems biology

Office: HIF D 11
ljuanita@student.ethz.ch

Robert Naudascher

Doctoral Student

Research Focus:
Fish in flow, anthropogenic habitat disturbance, hydro- and thermopeaking

Office: HIF D 11
naudascher@ifu.baug.ethz.ch

Giovanni Savorana

Doctoral Student – Directly supervised by Eleonora Secchi

Research Focus:
Effects of flow on biofilm formation and bacterial transport, microfluidics

Office: HIF D 11
savorana@ifu.baug.ethz.ch

Dieter Baumgartner

Doctoral Student

Research Focus:
Marine Microbiology, quantitative single-cell analysis, quantitative phase imaging, tomographic imaging

Office: HIF D 11
baumgartner@ifu.baug.ethz.ch

Oliver Müller

Doctoral Student

Research Focus:
Metabolic size scaling, marine phytoplankton and phytoplankton-bacteria communities, quantitative single cell analysis, single cell activity and amp, mass measurements

Office: HIF D 11
mueller@ifu.baug.ethz.ch

Patryk Nienaltowski

Doctoral Student

Research Focus:
3D tracking of microbes, quantitative phase imaging, bacteria-phytoplankton interactions, marine microbiology

Office: HIF D 11
patryk.nienaltowski@lynceetec.com

Maximilian Stoll

Doctoral Student – Directly supervised by Joaquin Jimenez-Martinez

Research Focus:
Chemotaxis in porous media, subsurface flow and transport

Office: HIF D 11
smaximilian@student.ethz.ch

Sophie Zweifel

Doctoral Student

Research Focus:
Marine biochemistry, marine phytoplankton calcification / biomineralization, bacteria-phytoplankton interactions

Office: HIF D 11
szweife@ethz.ch

Riccardo Foffi

Doctoral Student

Research Focus:
Bacterial movement ecology, chemotaxis, bacteria-phytoplankton interactions

Office: HIF D 11
rfoffi@ethz.ch

Edoardo Mollica

Doctoral Student

Research Focus:
Phyllosphere microbiome, microfluidics, bacterial trapping and confinement on rough surfaces

Office: HIF D 11
emollica@ethz.ch

Matti Zbinden

Doctoral Student – Directly supervised by Jonasz Slomka

Research Focus:
Quantification of microbial encounters

Office: HIF D 11
mazbinden@ethz.ch

Valerio Anelli

Doctoral Student

Research Focus:
Marine microbial ecology, chemotaxis, in-situ microfluidics

Office: HIF D 11
vanelli@student.ethz.ch

Joël Wittmann

Doctoral Student

Research Focus:
Fish response to flow alteration, hydropeaking, modelling aquatic habitat connectivity

Office: HIF D 11
joelw@ethz.ch

Isobel Short

Doctoral Student

Research Focus:
Networks of symbioses on coral reefs, motility and chemotaxis, marine microbial interactions

Office: HIF D 11
ishort@ethz.ch

Zahra Hajian

Doctoral Student – Directly supervised by Joaquin Jimenez-Martinez

Research Focus:
Bacterial biofilms in porous media, biofilm dynamics, fluid dynamics

Office: HIF D 11
zhajian@ethz.ch

Luis Habersetzer

Doctoral Student

Research Focus:
Influence of climate change on fish movement patterns in the Swiss Rhine-Aare River network using acoustic telemetry

Office: HIF D11
lhabersetzer@ethz.ch

Ina Damm

Doctoral Student

Research Focus:

Office: HIF D11indamm@ethz.ch

Former lab members

  • Kang Soo Lee (Senior Researcher, now Associate Professor at UNIST, South Korea)
  • Frédéric de Schaetzen (Postdoc, now Specialist in terrestrial and aquatic ecology at KWO, Oberhasli)
  • Roberto Pioli (Ph.D. Student)
  • Carrara Francesco (Senior Researcher)
  • Zachary Landry (Senior Researcher, now Senior Research Associate at University of Southern California, USA)
  • Clara Martinez-Pérez (Postdoc)
  • Uria Alcolombri (Senior Researcher, now Senior Lecturer at Hebrew University of Jerusalem, Israel)
  • Pratchaya Pramoj Na Ayutthaya (Ph.D. Student)
  • Dorothee Kurz (Ph.D. Student, now environmental process engineer at Oxyle, Zurich)
  • Francois Peaudecerf (Postdoc, now Chair Professor Junior at Université de Rennes)
  • Jeanette Wheeler(Postdoc, now Assistant Professor at Memorial University of Newfoundland and Labrador, Canada)
  • Ulrike Pfreundt (Postdoc, now Co-Founder at rrreefs, Switzerland)
  • Cherry Gao (Ph.D. Student, now Research & Innovation Strategy at Asahi Quality & Innovation, Japan)
  • Jen Nguyen (Ph.D. Student, now Postdoc at MIT alm lab, Cambridge)
  • Noele Norris (Ph.D. Student, now Postdoc at Lawrence Berkeley National Laboratory, Berkeley)
  • Vicente Fernandez (Senior Researcher, now Vice President of Data Science at PhAST inc., Zurich)
  • Mehdi Salek (Postdoc, now Lead Instructor at MIT, Cambridge)
  • Lars Beherendt (Postdoc, now Associate Senior Lecturer/Assistant Professor at Uppsala University, Uppsala)
  • Bennett Lambert (Ph.D. Student, now Data Scientist at PIERER Innovation, Wels)
  • Anupam Sengupta (Postdoc, now Assistant Professor at University of Luxembourg)
  • Kwangmin Son (Postdoc, now Co-founder and Chief Executive Officer at PhAST, Boston)
  • Yutaka Yawata (Postdoc, now Associate Professor at University of Tsukuba, Japan)
  • Roberto Rusconi (Senior Researcher, now Associate Professor at Humanitas University, Milan)
  • Douglas Richard Brumley (Postdoc, now Senior Lecturer in Applied Mathematics at University Melbourne)
  • Steve Smirga (Senior Researcher, now Senior Scientist, Biology Lead at PhAST, Boston)
  • Gabriel Juarez (Postdoc, now Assistant Professor at Mechanical Science and Engineering, University of Illinois)
  • Filipo Menolascina (Postdoc, now Professor at University of Edinburgh)
  • Andrew Babbin (Postdoc, nowAssociate Professor at MIT, Cambridge)
  • Tanvir Ahmed (Ph.D. Student, now Assistant Professor at Bangladesh University)
  • Marcos (Ph.D. Student, now Associate Professor at Nanyang Technological University, Singapore)
  • William ‘Mack’ Durham (Ph.D. Student, now Senior Lecturer in Biological Physics at University of Sheffield)
  • King Yung Yick (Ph.D. Student, now working in Finance)
  • Kolja Kindler (postdoc, now group leader at the German Aerospace Center, Cologne)
  • John Taylor (Postdoc, now Professor at Cambridge University)
  • Arezoo Ardekani (Postdoc, now Professor at Purdue University, Indiana)
  • Justin Seymour (Postdoc, now Professor at the University of Technology Sydney)
  • Jeffrey Guasto (Postdoc, now Associate Professor at Tufts University, Massachusetts)
  • Hongchul Jang (postdoc, now engineer at Samsung Corp., Korea)
  • Michael Barry (Postdoc, now Senior Managing Engineer at Exponent, Massachusetts)

Current Funding Sources

Team Members – The Stocker Lab (2)

Team Members – The Stocker Lab (3)

Team Members – The Stocker Lab (4)

Team Members – The Stocker Lab (5)

Team Members – The Stocker Lab (6)

Team Members – The Stocker Lab (7)

Team Members – The Stocker Lab (8)

Team Members – The  Stocker Lab (2025)

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