M. Jimenez

Multidisciplinary Senior Scientist

linkedin.com/in/leodavinci1452

Biochemistry Molecular Biology Cellular Biology Chemistry Data Analytics Data Science

Professional Experience

Sr. Bioanalytical Scientist

Elanco, Indianapolis, Indiana
2025 - Present
Research and Breakthrough Innovation:
Lead bioanalytical strategy, assay development, and execution for early research and development programs, providing critical data that advances Elanco’s innovation pipelin.

  • Lead development, validation, and optimization of bioanalytical assays (MSD, ELISA, cell-based) for therapeutic proteins and vaccines, ensuring data integrity across a complex biologics pipeline.
  • Generate stable cell lines to establish cell-based neutralizing antibody assays supporting biologics discovery programs.
  • Manage cross-functional collaborations with Discovery, PK, Pharmacology, Toxicology, and Clinical teams, as well as external CRO partnerships including assay transfers, study monitoring, and data review.
  • Spearheading the build-out of the first in-house small molecule screening platform at the Indianapolis site, including site-to-site transfer of the small molecule assay portfolio from Monheim, Germany.

Senior Scientist & Engineer

Pfizer, Inc., Cambridge, Massachusetts
2022 - 2025
Internal Medicine Research Unit (IMRU) / Portfolio Strategy/Cardio-Renal:
Research strategy to address the increasing global impact of the dysmetabolic state, with key focus in the areas of Obesity, Cardiovascular Disease, Chronic Kidney Disease, and associated indications including NASH, T2DM, and Cachexia.

  • Executed in vitro pharmacological experiments in stable and primary cell lines as well as ex vivo tissues and in vivo-derived samples, supporting cardiovascular-renal and obesity disease programs across target validation and lead optimization.
  • Validated targets and developed MOA studies using TR-FRET, CETSA, AlphaScreen, AlphaLISA/SureFire, and cell-based assays in primary disease-relevant cell lines, including Seahorse XF metabolic profiling, high-content imaging, glucose uptake, HiBiT, and GPCR signaling assays.
  • Designed and miniaturized upstream HTS workflows for DNA transfections and siRNA knockdowns to enable human genomic-SAR exploration for GPCR programs (pharmacogenetics).
  • Served on the Capital Expense Committee, contributing to equipment strategy and multi-year infrastructure planning, and drove adoption of industry-standard practices across the team.
  • Led automation and instrumentation engineering efforts, overseeing equipment selection, integration, and optimization of liquid handling and HTS platforms to support pharmacological screening workflows.

Scientist I, II to Senior Scientist I, II

Novartis Institutes for BioMedical Research, Cambridge, Massachusetts
2013 - 2022
Chemical Biology and Therapeutics / Chemical Genetics:
Scouting, evaluating and deploying emerging methods and technologies to identify novel first-in-class mechanisms, creating collaboratively early target and drug discovery and drug discovery programs with a strong grasp of the fundamentals of Chemical Biology.

Chemical Biology and Therapeutics / Early Translational Biology:
Co-creating discovery projects across all NIBR portfolio space, collaboratively define the strategy, distill essentials of programs and building experimental systems to address key scientific questions. Exploratory phase engagement with diseased areas to transfer complex models to high throughput screens, biochemical, cellular, high content and genetic screening.

Chemical Biology and Therapeutics / Discovery Biology I:
Catalyzing the discovery of proprietary targets and paths to drug discovery combining genetics, low molecular weight tools and physiologically relevant models, detailed expertise in key areas of biology and target classes. Primary focus in Neuroscience programs: Parkinson's and Alzheimer's diseases.

Center for Proteomic Chemistry / Integrated Lead Discovery and Screening Sciences:
In close collaboration with NIBR partners, to discover leads for NIBR targets or pathways; bring contributions to target identification and lead optimization. Primary focus: microRNA biogenesis and Non-alcoholic Steatohepatitis (NASH).

Center for Proteomic Chemistry / Facilitated Access to Screening Technologies (FAST) Laboratory:
Support all disease areas within NIBR partners with proof of concept projects and focused screens. Primary consultant for internal and external collaborations not limited to assay development, miniaturization up to 1536w, automation adaptation and screening over 150K compounds in various HTS phases utilizing biochemical, cellular and high content screening technologies.

Scientific Associate II

Novartis Vaccines and Diagnostics, Cambridge, Massachusetts
2009 - 2013
  • Developed correlates of protection assays for both bacterial and viral vaccine candidates, supporting preclinical and clinical programs including meningococcal vaccine (Bexsero), influenza, Yellow Fever, and cytomegalovirus; work conducted up to BSL-3.
  • Conducted R&D project on innate immunity to engineer a universal complement system for use in bactericidal assays supporting the meningococcal vaccine program (Bexsero).

Professional Certifications

Technical Expertise

Molecular Biology

(Sub)cloning, (RT-q)PCR, DNA, RNA, Sequencing, Extractions, Digestions, Site-directed mutagenesis, Gibson and Golden Gate assemblies, Southern/Western(traditional and Jess/Wes)/Eastern blotting

Cell Biology

Bacterial and mammalian cell culture (including primary cell lines and human induced pluripotent stem cells), transient transfections and stable cell line generation (overexpression and reporter) piggyBac, glucose uptake assay, metabolic assays (Agilent Seahorse), in vitro transcription and translation, flow cytometry SONY SH800, Fluorescence in situ hybridization FISH

Biochemistry

Protein transformations/expression/purification, antibody purifications, immunoprecipitations, chromatography (ion exchange, size exclusion, hydrophobic interactions, and affinity), SDS-PAGE (native and denaturing) and native zone (zymograms), and isoelectric focusing electrophoreses

Enzymology / in vitro Pharmacology

Enzymatic assays, carbohydrate enzymatic reactions, protein modifications, determination of steady-state (Km and Vmax), inhibition studies, pre-steady state parameters (rate constants), chemical quench flow method (Kintek Corp. Rapid Quencher). Cell viability, proliferation, functional assays, cell based assays, biochemical assays. Processing of in vivo samples for assay development, target validation, cAMP assays (GPCRs).

Microscopy

Confocal/Fluorescence microscopy for high content imaging: live and fixed modalities: Carl Zeiss confocal microscope, GE Healthcare Life Sciences IN Cell Analyzer 6000, PerkinElmer Opera Phenix (Plus), Agilent Cytation 5/10, and Yokogawa CellVoyager CV7000/8000. Electron microscopy (EM), sample preparation and transmission and scanning.

Isotopes

Extensive experience in working with Carbon-14, Phosphorus-32 and Sulfur-35

Biohazard Levels

Experimentation at BSL-1, BSL-2 and BSL-3

Computer Skills

MS Office, Spotfire/Tableau, Electronic notebooks (IDBS SmartBook/e-Workbook, Revvity Signals, Benchling, Scilligence (ELN, RegMol, Inventory), Molecular modeling (PyMOL, "O", PDB Swiss Viewer), Kinetic modeling ProFit and GraphPad Prism, Molecular Biology software: VectorNTI/DNASTAR/Lasergene, Sequencher, CodonCode Aligner, Geneious Prime, SnapGene

Screening Systems and Instruments

Tecan robotic systems, Hamilton Automated Liquid Handling STAR system, Beckman BioMek i7, BioRad Bio-Plex Luminex system, Cybio CyBi/FELIX, Perkin Elmer Flexdrop Matrix, Integra Viaflo 3847, Thermo liquid handling dispensers: CombiNL, multidrop combi, GNF systems bottlevalve washer/dispenser, Biotek multiflow, EL405, EL406. Compound dispensers: Labcyte/Beckman ECHO 555/650, EDC Biosystems ATS, Tecan D300, and pintool. Western blotting: Protein Simple/Biotechne Wes/Jess, Licor Odyssey imagers, BioRad ChemiDoc, Amersham ImageQuant800. RT-qPCR: Thermofisher QuantStudio systems. RNA/DNA extraction: Promega Maxwell 48, etc. Readers: Viewlux, Pherastar, Envision/Nexus. Automation software: Thermo Scientific POLARA scheduling, HighRES Bio Cellario Scheduler, ThermoFisher Momentum Automation scheduling, NOVARTIS HELIOS, GeneData Screener.

Vaccines

Immunoassays: ELISA, MSD and multiplex (magnetic) assays, radial immunodiffusion (RID), serum bactericidal antibody (SBA) assay and cell based neutralization assays (for Yellow fever), serum/plasma collection, (pre)clinical analysis for Bexsero® meningococcal Group B Vaccine, bacteria growth and handling of Neisseria meningitidis and Group A Streptococcus.

Publications

Probing the signaling requirements for naïve human pluripotency by high-throughput chemical screening
Shafqat Ali Khan; Kyoung-mi Park; Laura Fischer; Chen Dong; Tenzin Lungjangwa; Marta Jimenez; Dominick Casalena; Sabine Dietmann; Douglas Auld; Rudolf Jaenisch; Thorold Theunissen. Cell Reports 2021 Jun 15;35(11):109233.
Discovery of small molecule inhibitors of human uridine-cytidine kinase 2 by high-throughput screening
Okesli-Armlovich A, Gupta A, Jimenez M, Auld D, Liu Q, Bassik MC, Khosla C. Bioorg Med Chem Lett. 2019 Sep 12; 29(18):2559-2564.
Potent and Selective Inhibitors of 8-Oxoguanine DNA Glycosylase (OGG1)
Yu-ki Tahara, Douglas Auld, Debin Ji, Andrew Beharry, Anna M. Kietrys, David M. Wilson, Marta Jimenez, Daniel King, Zachary Nguyen, Eric T. Kool. Journal of the American Chemical Society. 2018 Feb14; 140(6):2105-2114.
Matrix-Based Activity Pattern Classification as a Novel Method for the Characterization of Enzyme Inhibitors Derived from High-Throughput Screening
Douglas S. Auld, Marta Jimenez, Scott Busby, Kiki Chen, Kimberley Yue, Scott Bowes, Greg Wendel, Thomas Smith, and Ji-Hu Zhang. Journal of Bimolecular Screening. 2016, Vol. 21(1075-1089).
Examining Ligand-based Stabilization of Proteins in Cells with MEK1 Kinase Inhibitors
Douglas S. Auld, Christopher J, Davis, Marta Jimenez, Sinead Knight, Jonathon P. Orme. ASSAY and Development Technologies June 2015 Volume 13, Issue 5:266-76.