Phil Ryjanovsky
About
Phil Ryjanovsky is from San Francisco, California. Phil works in the following industries: "Internet", "Higher Education", and "Investment Banking". Phil is currently Data Scientist I at Twitter, located in San Francisco, California. In Phil's previous role as a Graduate Student Instructor at University of California, Berkeley, Phil worked in Berkeley until Dec 2019. Prior to joining University of California, Berkeley, Phil was a Data Scientist, Intern at Twitter and held the position of Data Scientist, Intern at San Francisco, California. Prior to that, Phil was a Trading Summer Associate, Institutional Equity Finance and Security Lending at TD Securities, based in Toronto, Ontario from May 2017 to Aug 2017.
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Phil Ryjanovsky's current jobs
Phil Ryjanovsky's past jobs
Introduction to Statistics • Taught two sections of 25 students each, hosted office hours and graded quizzes and exams (20 hours a week) for undergrad level course
• Implemented word2vec embedding models for supervised and unsupervised machine learning applications • In charge of driving entire scope of predictive modelling classification project from strategizing approaches and data sourcing, to data cleaning/engineering, modelling and evaluation • Worked closely with business stakeholders for objective formulation, to ensure results were actionable and insightful • Delivered value by producing model pipeline and results with recent data, summarizing process and highlighting findings through presentations
• Responsible for processes pertaining to equity and bond short selling, inventory management, trade clearing, margin/fund provisions and reporting for institutional clients • Increased efficiencies for the firm by optimizing and automating through VBA many client and trading related functions • Familiarized myself with several trading floor groups and functions through desk shadows and workshops