Main
James Sacco, M.Sc.
Senior Bioinformatician | Machine Learning Enthusiast
Experience
Bioinformatics Programmer III
Laboratory for Genomics Research, University of California, San Francisco
San Francisco, CA
2024 - 2022
● Conceptualized and designed a CRISPR-Cas12a library of guide RNAs, with genomic, transcriptomic, and epigenomic data to ensure comprehensive coverage.
● Investigated drivers of CRISPR efficacy, using ML, resulting in a 15% increase in targeting accuracy.
● Led computational analyses of multiple CRISPR screens in rare diseases, identifying 400 gene hits.
● Co-authored manuscript on key regulators of human stem cell differentiation.
● Collaborated with wet-lab scientists to support 5 projects, accelerating project timelines by up to 20%.
Bioinformatics Scientist
ASC Therapeutics
Milpitas, CA
2022 - 2021
● Conducted comparative analyses of off-target detection methods in CRISPR screens using single-cell data, employing statistical models to evaluate accuracy.
● Developed a custom sequence alignment pipeline for gene editing, improving alignment speed by 80%.
● Automated workflows for sequence alignment, NGS data analysis, and off-target detection, reducing processing time by 60% and enhancing collaboration with experimental teams.
● Implemented company’s first version control processes, standardizing collaborative software development and data analysis.
Biomarker Data Analyst II
Genentech (Contract)
South San Francisco, CA
2020 - 2019
PROGRAMMING SKILLS
Python
R
Linux
Git
C++
MATLAB
● Optimized clinical trials by streamlining biomarker analysis using ML models, including regression, random forest, and Xgboost, as well as explainable AI.
● Improved sample quality by 10% across 49 clinical trial arms with department’s first ML pipeline to study the effects of biomarker operations on the quality of cancer immunotherapy assays.
● Upgraded data operations for 6 data streams, including flow cytometry, biomarker operations, and oncology data warehouses, resulting in more efficient data sharing.
Data Curator
Genentech (Contract)
South San Francisco, CA
2019 - 2018
● Integrated RNA assays, enhancing AI/ML module performance efficacy by at least 10%.
● Enabled AI/ML team in patient stratification with robust data pipelines for static and time series data points.
● Coordinated data governance and integration between AI/ML, data management, and DevOps functions, to bring clinical ML from prototype to production.
Data Curator, Bioinformatics Analyst
BioMarin Pharmaceutical (Contract)
San Rafael, CA
2018 - 2017
● Published author on ARSA gene research for metachromatic leukodystrophy, adding to rare disease drug development.
● Streamlined data analysis and visualization using R, Python, and MATLAB, improving data analysis speed by 70%.
● Developed workflows for pathogenic variant identification across 60 rare disorders, resulting in more accurate prediction of disease prevalence and incidence.
● Prototyped relational databases with Hail for efficient genomic data storage, improving data management and accessibility.
I have participated in bioinformatics and software workshops and Meetup.com groups, in both Seattle, WA and San Francisco, CA, including:
SF/Bay AI Developers Group
San Jose Data Science and AI/ML Meetup
Hacker Dojo
Seattle Sequencing
LANGUAGES
English: Native Proficiency
Spanish: Native Proficiency
Dutch: Intermediate Proficiency
Research Associate
Pearse Lab: The Miami Project to Cure Paralysis, The Miller School of Medicine, University of Miami
Miami, FL
2017 - 2016
● Identified over forty putative conserved vertebrate phosphodiesterase proteins, using multiple sequence alignment and genomic evidence.
Education
Rowan University, Graduate School of Biomedical Sciences
Master of Biomedical Science
Stratford, NJ
N/A
Florida International University, The Honors College
BSc, Biological Sciences
Miami, FL
Professional Development
Publications
Predicting disease severity in metachromatic leukodystrophy using protein activity and a patient phenotype matrix.
Genome Biology. 2023 Jul 24:172.
N/A
2023
Trinidad M., Hong X., Froelich S., Daiker J., Sacco J., Phuc Nguyen H., Campagna M., Suhr D., Suhr T., LeBowitz J.H., Gelb M.H., Clark W.T.
Regulating Axonal Responses to Injury: The Intersection between Signaling Pathways Involved in Axon Myelination and The Inhibition of Axon Regeneration.
Frontiers in Molecular Neuroscience. 2016 Jun 8;9:33.
N/A
2016
Rao S.N., Pearse D.D. Manuscript Editor
Conferences
Single Cell Analyses
Cold Spring Harbor Laboratory Single Cell Analyses Meeting.
Cold Spring Harbor, New York
2023
Prediction of disease severity in metachromatic leukodystrophy using measures of protein activity and a novel phenotype matrix.
American Society of Human Genetics Virtual Meeting. [Poster]
Online
2020
Trinidad M., Hong X., Sacco J., Nguyen H.P., Clark W.T., Froelich S., LeBowitz J.H., Gelb M.H.
Association of HGMD and gnomAD variants of unknown significance with prediction of disease incidence and prevalence.
BioMarin Internal Research and Development Asilomar Conference. [Poster]
Pacific Grove, CA
2018
Sacco J., Clark W.T., Yu K., Wu K., LeBowitz J.H.
Research Projects
Characterization of glycan substrates accumulating in GM1 gangliosidosis
Molecular Genetics and Metabolism Reports. 2019. 21, p.100524.
N/A
2019
Lawrence R., et al.
Phosphodiesterase Inhibitors as a Therapeutic Approach to Neuroprotection and Repair
International Journal of Molecular Sciences. 2017. 18(4): 696.
N/A
2017
HOBBIES
Stonewall Sports kickball. San Francisco, CA. 2023.
Ultimate frisbee player. San Francisco, CA. 2018 – Present.
Rugby at Seattle Quake RFC. Seattle, WA. 2017.
Literature
Classical Music
Language Learning
Knott E.P., et al.
Oral Communications
Data Visualization of RNA-Seq Differential Expression Analysis with DESeq2
Doudna Lab: Howard Hughes Medical Institute, Department of Molecular and Cell Biology, University of California, Berkeley
Berkeley, CA
2022
Topics: Introduction to RNA-Seq, Standard Workflows with DESeq2, Reference-Based Assembly, Exploratory Data Analysis, Statistical Analysis, Data Visualization, Gene Set Enrichment, Variant Annotation
● Presented publication-quality RNA-Seq data summaries and representations to post-doctoral associates
Changes in chromatin accessibility are not concordant with transcriptional changes for single-factor perturbations
Laboratory for Genomics Research & Department Biochemistry & Biophysics, University of California, San Francisco
San Francisco, CA
2022
● Presented now-published preprint in contrast with established research at internal Journal Club to inform future experimental design in epigenetic editing.
Teaching
Peer-Led Team Learning
Florida International University
Miami, FL
2009
General Biology II facilitator for two concurrent PLTL courses
Disclaimer
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Last update: 2024-06-20.The most recent version of this resume is available here.