Jj Crosskey
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Jj Crosskey Email & Phone Number

Quantitative Analyst at Quantamental Technologies LLC
Location: New York City Metropolitan Area, United States 5 work roles 2 schools
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Role
Quantitative Analyst
Location
New York City Metropolitan Area, United States
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Jj Crosskey is listed as Quantitative Analyst at Quantamental Technologies LLC, a with 2 employees, based in New York City Metropolitan Area, United States. AeroLeads shows a matched LinkedIn profile for Jj Crosskey.

Jj Crosskey previously worked as Postdoctoral Associate at Oak Ridge National Laboratory, Computer Science And Mathematics Division and PostDoctoral at Nimbios. Jj Crosskey holds Doctor Of Philosophy (Ph.D.), Mathematics And Statistics, 3.96 from Indiana University Bloomington.

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Quantamental Technologies LLC

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About Jj Crosskey

I am passionate about problem-solving, data science, and software development.- Strong mathematical background and solid understanding of algorithms.- Experienced in Object Oriented and template programming in C++; proficient in R and Python; very familiar with the Linux environment, knowledgeable in design patterns, version control.- 4 years' experience in bioinformatics, and phylogenetics. Expert in NGS and PacBio sequencing data analysis, (meta)genome assembly, phylogenomics, and statistical data analysis. Familiar with many bioinformatics tools.

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Quantamental Technologies LLC
Quantamental Technologies Llc
Quantitative Analyst
Yishun, SG
Employees
2
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5 roles · 11 years

Jj Crosskey work experience

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Postdoctoral Associate

Oak Ridge, Tn

• Worked with high-throughput next generation and third generation genome sequencing data, with main focus on the algorithm development to improve metagenomic assembly.• Performed statistical such as enrichment analysis on metagenomic and metaproteomic data. • Designed and implemented a new algorithm to infer a genome’s protein functions and biological pathways, and made it available through on line portal to everybody.• Phylogenomic analysis on all available prokaryotic genomes • Software development in Python and C++ with openMP and MPI, and large-scale data analysis in parallel on high performance Linux clusters, such as Titan.• Contributed to the development, testing, and maintenance of many other programs, pipelines, and automation of complicated analysis procedures.I collaborate with biologists, design experiments and genome sequencing procedures from the beginning, use my mathematical and programming skills to help them analyze massive data to extract novel biological knowledge. Starting from zero knowledge in Python and C++, I designed, implemented and tested my first Python pipeline within 3 months, and have developed several programs in C++ with OO programming.

Aug 2013 - Jan 2016

Postdoctoral

Knoxville, Tennessee

• Established a novel Markov process model for protein evolution based on population genetics that outperforms all known models. • REU program: Mentored 3 undergraduate students on a research project to investigate codon usage bias in protein translation with a Bayesian approach. Built a mechanistic model and taught the students to program the model in R.• Workshop at Ohio State University: Led a group of 6 graduate students to reconstruct the evolutionary history of squirrels using Markov models of molecular evolution and Bayesian phylogenetics.

Jul 2011 - Jul 2013

Graduate Research Assistant

Bloomington, Indiana Area

• Constructively determined the upper bound for the amount of data required to uniquely determine evolutionary tree using combinatorics and graph theory.• Proved the identifiability of the most commonly used statistical models in phylogenetics.• Constructed a mixed model for crossovers during meiosis: Gamma and uniformly distributed.• Mathematical and Statistical Modeling Workshop, Raleigh, NC (2 weeks): Developed an ODE model for the effect of an antibacterial compound developed at GlaxoSmithKline.

Sep 2007 - Jun 2011

Teaching Assistant

Bloomington, Indiana Area

• Instructed/assisted courses including college algebra, calculus, mathematical analysis, numerical analysis, mathematical statistics, mathematical modeling.• Average score 5 points higher than average; highly evaluated by students and supervisor.

Sep 2006 - Jun 2011
2 education records

Jj Crosskey education

FAQ

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What company does Jj Crosskey work for?

Jj Crosskey works for Quantamental Technologies LLC.

What is Jj Crosskey's role at Quantamental Technologies LLC?

Jj Crosskey is listed as Quantitative Analyst at Quantamental Technologies LLC.

Where is Jj Crosskey based?

Jj Crosskey is based in New York City Metropolitan Area, United States while working with Quantamental Technologies LLC.

What companies has Jj Crosskey worked for?

Jj Crosskey has worked for Quantamental Technologies Llc, Oak Ridge National Laboratory, Computer Science And Mathematics Division, Nimbios, and Indiana University Bloomington.

How can I contact Jj Crosskey?

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What schools did Jj Crosskey attend?

Jj Crosskey holds Doctor Of Philosophy (Ph.D.), Mathematics And Statistics, 3.96 from Indiana University Bloomington.

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