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Research professional holding a Ph.D. in Industrial Engineering from University of Illinois at Urbana-Champaign. Focus of research is Operations Research with an interest is Game Theory and quantification of the effects of limited altruism on the efficiency of games.
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Senior Data ScientistMetaBellevue, Wa, Us
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Principal Data Scientist - Product AvailabilityTarget Sep 2024 - Present -
Lead Data Scientist - Middle MileTarget Feb 2021 - Sep 2024Lead scientist on the Middle Mile Operations team in charge of Inventory Planning, supervising other scientists on related projects. Key initiatives include: Apparel Attribution and Allocation -- Developed first method for estimating unconstrained product demand from realized demand and out of stock data (internal publication). Estimates net lost sales opportunities in the presence of cross-product demand transference. ---- Currently being prepared for external journal submission. -- Led the development of optimization logic for apparel inventory ordering, considering store demands, potential lost sales, and packaging constraints to optimize inventory distribution. ---- Optimization logic was presented at INFORMS 2023 Annual Meeting and is being prepared for journal submission. -- Supervised the development of attribute-based models to augment demand estimates. -- Developed internal web application to expose allocation logic to inventory analysts. -- Collectively estimated to capture $33.6 million additional gross margin on existing inventory. End of Season Allocation -- Developed provably optimal linear time algorithm for allocation of inventory in clearance by considering markdown schedules. -- Initial tests suggest a $30-60 million annual revenue increase will be provided by this algorithm.
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Teaching AssistantUniversity Of Illinois At Urbana-Champaign Aug 2016 - Dec 2020Reinforce and explain lecture material, guiding students through example problems. IE 310 Operations Research: Linear and Integer Programs, Simplex Method, Game Theory, and related topics. IE 300 Data Analysis: Probability, Statistics, and related Data Analysis topics. IE 370: Stochastic Processes and Applications. IE 533: Big Graphs and Social Networks. Ranked in top 10% of TAs across the University, Spring 2017. -
Graduate Research AssistantUniversity Of Illinois At Urbana-Champaign Aug 2016 - Dec 2020Focus on developing alternative equilibria conditions to Nash, as many real-world games show non-purely selfish behavior, then modeling shift away from Nash behavior in a social network setting. Also developed applications for UAV routing in communication-denied areas.
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Research Scientist InternAmazon Jun 2020 - Aug 2020Internship with Inventory Planning and Control research team. Developed a Random Forest and feed-forward Neural Network to predict FBA sellers’ responses to Amazon-imposed limits on inventory capacity. Used as part of a larger optimization model to avoid excess inventory from FBA sellers. Back tests estimate economic impact at 20% accuracy increase. -
Research InternMit Lincoln Laboratory Jun 2018 - Aug 2018Lexington, MassachusettsBuilt models using machine learning to lower the false alarm rate of a sensor array used by Group 47. -
Data EngineerCapital One Jul 2015 - Jul 2016Tyson'S Corner, VaCyber Security:- Develop predictive models to detect malicious data using the H2O and SparkML machine learning frameworks, deployed adjacent to Apache Metron. Setup AWS environment (S3 and EC2) for model development. - Model to detect DGA's (domain generating algorithms) employed by botnets - Model to detect phishing emails based on email features and NLP analysis of the text- Develop alerting engine to detect malicious events in streaming log data - Wrote multiple rules to generate alerts based on sources such as FireEye, Bluecoat, and McAfee logsWeb Application Development- Developed pinboard application for internal use at Capital One, to allow teams to post progress and issues in the Agile pattern of software development. -
Research AssistantCornell University Jun 2014 - May 2015Worked with Professor Strichartz at Cornell to test a theory he has related to the Laplacian Eigenvalue problem in certain regions on R^2 and other 2-spaces of constant curvature. I have been writing code to generate the data to help prove or disprove the theory. As of now, most of the data has been computed, and we are working towards publishing a paper under the heading of experimental mathematics.-Update: Paper has been recommended for publication in Communications on Pure and Applied Analysis.Received the 2014 Summer Math Award to fund this research. -
TaCornell University Jan 2014 - May 2015Ithaca, NyCS 4850: Math Foundations for the Information Age. Held weekly office hours to assist student in understanding the material, which consists largely of algorithms for handling big data using graph theory and high-dimensional objects, as well as being responsible for grading assignments and proctoring exams. Also provided extra tutoring for students having particular difficulty in the course.
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Course AssistantCornell University Aug 2014 - Dec 2014Ithaca, NyCourse assistant for two sections of Math 1120: Calculus II. I lead homework hours for students and grade problem sets and exams.
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InstructorId Tech Camps Jun 2013 - Aug 2013University Of Washington, SeattleTaught a week long introductory course on Java programming to children age 13-17. Gained experience in explaining concepts and ideas in a clear and concise manner, as well as working closely with a partner during co-teaching portions. Additionally, supervised overnight campers. -
Math TutorSelf-Employed Feb 2010 - Aug 2013Olympia/Tacoma WaAssisted all levels from Pre-Algebra to Calculus I. Prepared students for Statistics and Calculus I AP exams.
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InstructorSumner Taekwondo Academy Nov 2008 - Aug 2011Sumner, WaEducated beginner and intermediate classes as an instructor as well as assisting in training advanced classes. Currently a Second Degree Black Belt.
Timothy Murray Skills
Timothy Murray Education Details
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Overall/Mathematics: 3.32/3.70 Out Of 4.0
Frequently Asked Questions about Timothy Murray
What company does Timothy Murray work for?
Timothy Murray works for Meta
What is Timothy Murray's role at the current company?
Timothy Murray's current role is Senior Data Scientist.
What is Timothy Murray's email address?
Timothy Murray's email address is ti****@****one.com
What schools did Timothy Murray attend?
Timothy Murray attended University Of Illinois At Urbana-Champaign, Cornell University.
What are some of Timothy Murray's interests?
Timothy Murray has interest in Education.
What skills is Timothy Murray known for?
Timothy Murray has skills like Apache Metron, Apache Spark, Hadoop, Amazon Web Services, Java, Python, Javascript, D3.js, Scala, Matlab, Teaching, H2o.ai.
Who are Timothy Murray's colleagues?
Timothy Murray's colleagues are June Gu, Rayan Mahi, Wataru Nishizawa, Kangwa J. F. Ng'omalala, Nadir Sekkat, Gagan Syaputra, Avishek Mukherjee, Csm®.
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Timothy Murray
United States4brileywealth.com, zignallabs.com, salesforce.com, twitter.com3 +141568XXXXX
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Timothy Murray
Tampa, Fl4gmail.com, rsmus.com, rrtampa.com, totalsds.com -
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