Our Team ARC Business & Administration Office ARC DirectorKarolien Denef, PhD(970) 491-3832 Business & Finance ManagerCathy Griffin(970) 491-4380 Materials & Molecular Analysis Team NMRMichele Mailhot, PhD(925) 491-6065 XRD & CrystallographyEthan Crace, PhD(970) 491-3233 Materials Analysis & SpectroscopyIndrani Bhowmick, PhD (970) 491-2380 Self-use Mass Spectrometry, LCMS, MALDIClaudia Boot, PhD(970) 491-7049 Self-use Mass Spectrometry, GCMSPaul Mathews(970) 491-6067 Bioanalysis & Omics Team Full-service Metabolomics, LCMS, GCMSLinxing Yao, PhD(970) 491-0961 Proteomics, MetaproteomicsGustavo Diaz, PhD(970) 491-6029 Trace metals, Ionomics, ICP-MSJacqueline Chaparro, PhD(970) 491-4615 Untargeted Metabolomics SupportNathan Montgomery, PhD(970) 491-6072 Targeted Metabolomics SupportGrace Heinrich(970) 491-6041 Mass Spectrometry SupportJeff Nelson(970) 491-3611 Imaging & Surface Science Team Electron Microscopy & Diffraction (TEM/SEM)Roy Geiss, PhD(970) 491-6103 Electron Microscopy (SEM) & Surface AnalysisRebecca Miller, PhD(970) 491-4046 Biological TEMBradley Guilliams, PhD(970) 491-6040