Joseph O'Brien Email and Phone Number
Joseph O'Brien phone numbers
Solving and formulating the problems that underlie our understanding of real-world systems and that allow people to predict their behavior make up my core competences and represent my primary ambitions. The endeavors I have taken to encode solutions to these problems in the various areas I have worked have all demonstrated the potential that computation offers to resolve challenges of many kinds.I have worked in multiple research groups doing computational & quantum chemistry, computer aided drug design, scientific software development, cheminformatics, and high performance computing. Efforts in these directions have required employment of machine learning, numerical linear algebra, and statistical programming. I work in C++, python, R, matlab, and bash. I am familiar with relational (SQL) and Neo4j databases. I have also studied and implemented numerical methods for solving linear systems, matrix factorizations, and approximating differential equations as well as writing basic implementations thereof in C++ and matlab.I have also worked as a teaching assistant in a general chemistry course for engineers.
Ptc Therapeutics, Inc.
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Associate Scientist IiPtc Therapeutics, Inc.Grand Rapids, Mi, Us -
Scientific Software DeveloperTen63 Therapeutics Jan 2024 - PresentDurham, North Carolina, Us -
Associate Scientist Ii | Software And Data Science In CaddPtc Therapeutics, Inc. Mar 2022 - Dec 2023UsConduct and advance biochemical data analysis. Advance our computer aided drug design pipeline which comprises encoding novel molecular descriptors, implementation of specialized machine learning tools, statistical analysis of biological response data, and use of exploratory cheminformatics techniques. Contributed to pharmaceutical research through teams involved in bioinformatics and cheminformatics.Work in a team that develops and uses machine learning models to elucidate structure-activity trends and to predict which virtual molecules were most likely to exhibit desirable values for many properties. Review teammates' code and implement tests to ensure readability standards and robustness of function. Added functionality and explained practices based on findings in the cheminformatics, scientific, and machine learning literature. Data interpretation, data visualization, and data analysis in a biological, chemical, and pharmaceutical context. Develop a robust statistical testing platform for the detection of points in the tail regions of large datasets.Employ unsupervised learning to explore activity trends within isolated pockets of chemical space. Implemented an ML and statistical data mining workflow for accelerating chemical structure-activity dataanalysis to identify activity cliffs in a set of protein degraders.Shared findings with colleagues in meetings with interdisciplinary teams through oral presentations and written reports. -
Software EngineerMcgill University Jan 2021 - Mar 2022Montreal, Qc, CaI conducted software development and data science for a bioinformatics research group. My former group conducts experiments as well as host web-pages that aid in processing and analyzing data from hundreds of thousands of researchers from around the world as a public service. Analyzed datasets derived from biological pathways. Visualized results and clusters of data from metabolomics datasets.My duties include writing software in C++, R, and Python using Rcpp, cmake, Make, git and github in the build process. I have also treated data-sets and developed models using scikit-learn and matplotlib.I am most interested in models of real-world systems and in software that relieves burdens on computational resources. -
Graduate Research AssistantGeorgia Institute Of Technology Aug 2018 - Dec 2020Atlanta, Georgia , UsProgrammed in C++, C, and Python using MPI and OpenMP to achieve parallelism. Submitted jobs to a high performance computing grid for research and homework using PBS scripts. Wrote a thesis on code that I wrote that reduced the number of calculations in Quantum Chemistry Kernels and eliminated the use of disk for workflows where equation of state (Fock) terms were larger than system memory. Used existing libraries in the codebase to accelerate Range-Separated DFT calculations by 50%. Reformulated DFT terms to reduce the memory footprint by 33%.Code was incorporated into the Psi4 quantum chemistry package and has been used by thousands of users worldwide.
Joseph O'Brien Education Details
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Georgia Institute Of TechnologyComputational Science And Engineering -
Wayne State UniversityMathematics -
Wayne State UniversityChemistry
Frequently Asked Questions about Joseph O'Brien
What company does Joseph O'Brien work for?
Joseph O'Brien works for Ptc Therapeutics, Inc.
What is Joseph O'Brien's role at the current company?
Joseph O'Brien's current role is Associate Scientist II.
What is Joseph O'Brien's direct phone number?
Joseph O'Brien's direct phone number is +161658*****
What schools did Joseph O'Brien attend?
Joseph O'Brien attended Georgia Institute Of Technology, Wayne State University, Wayne State University.
Who are Joseph O'Brien's colleagues?
Joseph O'Brien's colleagues are Kimberly Matney, Dina Cascarano, Isa (Isabella) Prada, Sam Harris, Brett Kavaja, Stuart Peltz, Ricardo Ruiz Almeida.
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