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Jeff Ryan | Elance
 
176985602337900
Last Sign-in: Nov 29, 2015

Jeff Ryan

Expert Data Scientist
   United States
  |  8:48 am Local Time

Overview

Minimum Hourly Rate $89

I am an applied mathematician/data scientist with over 16 years of industrial experience. My skills cover idea generation, modeling, testing, and implementation.

I have led projects that include high-frequency trading, statistical DNA reconstruction, negotiation modeling, natural language processing, programming language development, and a variety of machine learning methods for predictive modeling.

I have expert knowledge of mathematics, statistics, probability, machine learning, computer architecture, algorithms, and several...

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Skills (15)

Tested
Machine Learning
Mathematical Modeling
Statistics
R
Natural Language Processing
Automated Trading
Quantitative Analytics
Research
Python
C++
Mathematics
Data Science
Linux
grep
sed

Service Description

I offer the following services:

--Building predictive models on big data
--Building predictive models on small data
--Analytics pipeline design and database schema design
--Data cleaning and standardization
--Advising on experimental design when gathering data
--Clear presentation of results to non-technical audiences


Some cool projects I've done in the past:

--Built a fully automated model that predicts US Supreme Court justice votes better than the best human predictors, based on natural language processing (75% accurate and improving)
--Created an algorithm to identify the host organism of an unknown, fragmented DNA sample (30x faster than previous state of the art)
--Developed successful automated trading strategies
--Established a model to exploit arbitrage between betting venues
--Formulated provably optimal strategies in structured negotiations
--Modeled urban real estate markets
--Built a realistic model of birds flocking
--And more!

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Employment

Realeyes
Chief Data Scientist
2015 - Present
U.S. Securities and Exchange Commission
Senior Science Adviser
2012 - 2015
•Creator of the Machine Analyzed Risk Scoring (MARS) project, which quantifies investment adviser risk by using machine learning techniques on a range of structured and unstructured data sources to...
ION Trading High Frequency Fund
Quantitative Trader
2010 - 2012
•Traded Eurodollar products at CME. Designed and wrote live algorithms. •Modeled Eurodollar futures markets: spread/underlying statistical arbitrage, mean reversion, momentum, gamma scalping,...

Education

New York University
Doctor of Philosophy (Ph.D.)
-
Tufts University
B.A., Highest Thesis Honors
-
Overview  |  Job History  |  Resume/C.V.

Keywords

High Quality
Data Science
Machine Learning
Statistics
R
Python
Spark
Operations Research
Data Mining
Data Visualization
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Elance Level
Level represents activity and experience on Elance. Freelancers start at Level 1 and achieve higher levels through their work. A higher "Level" indicates greater earnings, ratings and other achievements on Elance. Learn More »
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Identity
Username
jefefyan
Type
Individual
Member Since
August 2015
Elance URL
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Jeff Ryan | Elance

Jeff Ryan