Experience

Vinli Inc

• United States
• Software Development
• 1 - 100 Employee

• Senior Data Scientist

  • Feb 2023 - Present



Quanterra Capital Management L.P.

• United States
• Investment Management
• 1 - 100 Employee

• Chief Technology Officer

  • Aug 2021 - May 2022

  • Developed all modules of automated trading software; over 50,000 lines of Scala, Java, and SQL; depended on a gRPC-based broker API for market data and trade execution • Enabled automated trading of thousands of symbols (stocks, futures, and options) using statistics-based, algorithmic trading strategies designed by the Chief Investment Officer • Created Spark SQL ETL pipelines for statistical analysis of 10+ billion rows of tick data • Gathered market data on 2,000+ symbols from broker APIs and other services each day



Digital Assets Data Inc.

• United States
• Information Services
• 1 - 100 Employee

• Data Scientist

  • Jul 2019 - Feb 2020

  • Architected and implemented stream/batch processing of crypto market data from over ten sources with Flink, Kafka, and Spark using Scala, Java, and SQL • Built complex streaming analytics; i.e. real-time price conversion of 90+ quote streams • Mentored two developers in Scala, data processing with Flink and Spark, and AWS EMR • Mentored six data scientists in SQL, compute-intensive analysis, and blockchain analysis • Performed statistical and graph analysis of more than one billion blockchain transactions



Lawrence Livermore National Laboratory

• United States
• Research Services
• 700 & Above Employee

• Computer Scientist

  • Oct 2014 - Sep 2017

  • Led two teams of 3-6 part-time researchers and engineers (1.5 FTE) for two years • Led research, design, and implementation of analytics for the application of machine learning models to heterogeneous graphs of host and network cyber defense data • Created prototype software for 10+ applied research tasks using Scala, Java, SQL, Python, Spark MLlib, Spark GraphX, Weka, scikit-learn, Accumulo, Parquet, and Julia • Authored technical reports detailing the methods and conclusions; 10-50 pages • Briefed scientists and executives at steering panels and conferences; 10-120 attendees



Praxis Engineering

• United States
• Software Development
• 200 - 300 Employee

• Network Security Researcher

  • Jun 2012 - Feb 2014

  - Implemented low-latency, streaming analytics in Java with Storm and in C++ with in-house streaming engine - Created batch analytics for network security systems in Java with Hadoop MapReduce and Spark - Augmented prototype systems by developing behavioral analytics and new analytical capabilities in C++ - Contributed to technical research by implementing novel defensive analytics, techniques, and devices - Implemented low-latency, streaming analytics in Java with Storm and in C++ with in-house streaming engine - Created batch analytics for network security systems in Java with Hadoop MapReduce and Spark - Augmented prototype systems by developing behavioral analytics and new analytical capabilities in C++ - Contributed to technical research by implementing novel defensive analytics, techniques, and devices



Information Security Solutions LLC

• Computer and Network Security
• 1 - 100 Employee

• Security Engineer

  • Oct 2010 - Jun 2012

  - Analyzed malicious network traffic; created/audited Snort signatures for network analysts - Provided security operations center with situational awareness; lead for analytical desk for 24/7 operations - Tested software core to operations and advised on current/future defensive capability needs - Analyzed malicious network traffic; created/audited Snort signatures for network analysts - Provided security operations center with situational awareness; lead for analytical desk for 24/7 operations - Tested software core to operations and advised on current/future defensive capability needs



United States Air Force

• United States
• Defense and Space Manufacturing
• 700 & Above Employee

• Analysis and Production Senior Mission Manager

  • Feb 2009 - Jul 2009

  - Liaison between NSA-Texas and Intelligence Community; including CIA, DIA, FBI, and State Dept.- Augmented missions as final releaser, researcher, and reviewer for site-wide reporting

• Digital Network Intelligence Analyst

  • Oct 2007 - Feb 2009

  - Directed collection, processing, and analysis of networks to produce time-sensitive reporting- Advised division on advanced usage of software and resources for data processing and reporting

• Cryptologic Language Analyst, Training Manager, and Project Manager

  • Aug 2000 - Oct 2007

  - Managed teams up to 15 members from developmental stages to long-term reporting entities- Mentored 40+ personnel in analysis and reporting in three intelligence missions over six years