Our Team

Meet the people behind MosaBiome

David Barnett

David supports MosaBiome with expertise in bioinformatics, biostatistics, and reproducible bioinformatic pipelines. 

He developed microViz, a widely used R package for microbiome data analysis, and provides training in microbiome bioinformatics. His prior work includes statistical analysis of population cohorts, clinical studies, and experimental models. 

Focus Areas: 

  • Reproducible bioinformatics workflows
  • FAIR microbiome data management
  • Advanced statistical modelling for microbiome studies
  • Training in transparent and robust data analysis 

Background:

David holds a PhD in human microbiome research, with degrees in epidemiology and biomedical science. 

David Barnett

Research Bioinformatician | BioIT & Study Design 

Gianluca Galazzo

Gianluca specialise in longitudinal statistical methods for microbiome research. At MosaBiome, he develops and executes robust and reproducible analysis plans tailored to microbiome projects. His expertise covers R programming, multivariate analysis, longitudinal study design, metagenomics, metabolomics, and advanced data visualisation. 

Focus Areas: 

  • Robust and reproducible analysis plan design.
  • Longitudinal and multivariate statistical analysis.
  • Integration of metagenomics and metabolomics data.
  • Transparent data visualisation and modelling.

Background:

Gianluca holds degrees in Molecular Biotechnology and Bioinformatics from the University of Bologna and earned his PhD in microbiome research at Maastricht UMC+. After his PhD, Gianluca worked as a bioinformatics scientist in the biotech and pharmaceutical sector, gaining further experience in translational research. 

Gianluca Galazzo

Research Bioinformatician | BioIT & Statistical Analysis 

Lars Maassen

Lars is a laboratory specialist with expertise in sample processing, sequencing, and quality assurance. At MosaBiome, he leads the wet-lab and data generation aspects of research support, including library preparation, quality control, and sequencing. 

His professional background spans diagnostic R&D (PCR-based assays under ISO 13485 certification) and quality management systems under European IVDR. At MosaBiome, he also develops and maintains Standard Operating Procedures to ensure compliance and reliability in laboratory processes. 

Focus Areas: 

  • Gold-standard protocols for sample processing and sequencing
  • Quality assurance and regulatory compliance (ISO, IVDR)
  • Data integrity from sample to sequencing output
  • Laboratory process optimisation and SOP development 

Background:

He holds a Bachelor’s degree in Biology and a Master’s in Biomedical Sciences, with extensive lab experience including an Erasmus research internship at Uppsala University.

Lars Maassen

Laboratory Specialist | Sample Processing, Sequencing & Quality Assurrance 

UM Profile Pages

Name Organisational unit Contact details

L.J.G.G. Maassen

  • Medische Microbiologie
  • Inst of Nutr and Translat Res in Metabol
  • Fac. Health, Medicine and Life Sciences

D.J.M. Barnett

  • Medische Microbiologie
  • Inst of Nutr and Translat Res in Metabol
  • Fac. Health, Medicine and Life Sciences

G. Galazzo

  • Medische Microbiologie
  • Inst of Nutr and Translat Res in Metabol
  • Fac. Health, Medicine and Life Sciences