Leonid Rozenberg

Leonid Rozenberg Email and Phone Number

Self Employed @ Florissant
New York, NY, US
Leonid Rozenberg's Location
New York, New York, United States, United States
About Leonid Rozenberg

Software engineer and data scientist with extensive experience creating applications, employing machine learning, statistics and algorithmic reasoning, using a variety of techniques and modern programming methods. Open to roles that utilize my interests in machine learning and/or functional programming.

Leonid Rozenberg's Current Company Details
Florissant

Florissant

View
Self Employed
New York, NY, US
Website:
florissant.fr
Employees:
7
Leonid Rozenberg Work Experience Details
  • Florissant
    Self Employed
    Florissant
    New York, Ny, Us
  • Onechronos
    Software Engineer
    Onechronos Aug 2023 - Present
    New York, Ny, Us
  • Triple Secret-Blue Sky-Change The World-Business Idea.
    Chief Visionary
    Triple Secret-Blue Sky-Change The World-Business Idea. Aug 2013 - Present
    See company description.
  • Digital Asset
    Cx Lead Engineer - Americas
    Digital Asset Mar 2020 - Aug 2023
    New York, Ny, Us
  • J.P. Morgan
    Vice President
    J.P. Morgan May 2018 - Mar 2020
    New York, Ny, Us
    I came, I tweaked, I ticked, I validated and then a GraphNodeException blew me away.
  • Icahn School Of Medicine At Mount Sinai
    Research Scientist
    Icahn School Of Medicine At Mount Sinai Jan 2015 - May 2018
    New York, Ny, Us
    As a member of a computational lab with diverse software and research projects, my main independent con- tribution was a novel HLA-typing algorithm that computed the entire posterior distribution over possible alleles; Bayesian genetic inference in the most heterogeneous region of the human genome. Created a custom Hidden Markov Model, that operated over a compressed space, in order for this approach to be feasible. Reviewed projects utilizing deep learning and Bayesian inference. Collaborated on a project for bioinformatics workflow organization. OCaml, Python, Bash, R, Stan.
  • Self-Employed
    Pursued Startup Ideas
    Self-Employed Apr 2013 - Dec 2014
    Marketed to and interviewed customers for a computational approach to negotiations, led idea creation and presentation. Created a debate platform on Twitter. At an Ag-tech startup, developed a website for presenting chemical information and built seed recommendation engine based upon trial results. In all cases, owned the technical stack and analytical decisions. Erlang, Haskell, Rails, Javascript, PostgreSQL, and R.
  • Bank For International Settlements
    Developer/Consultant
    Bank For International Settlements Apr 2012 - May 2013
    Basel, Ch
    For the risk and economic policy research group, developed and maintained a research and graphing framework. (Matlab, C#) Participated in Agile life-cycle planning.
  • Trafigura
    Risk Quantitative Developer
    Trafigura Jul 2010 - Apr 2012
    Singapore, Singapore, Sg
    Independently, extracted the positions, sourced and organized price inputs, priced (Monte Carlo and model based, forward-curve decompositions), and performed the statistical analysis (empirical distribution estimate, extreme value theory) to create a risk system, that reported VaR (custom, nonparametric) for over a thousand portfolios composing the metals business. Based upon analysis, coordinated improvements with world-wide colleagues. F#, Matlab and C++. Analytically, learned about the power of a well calibrated statistic to driveaction, from a software perspective, so many of our tasks are analogous to a compiler stage.
  • Vermillion Asset Management
    Associate/ Quant Analyst
    Vermillion Asset Management Sep 2007 - Apr 2010
    Supported the quantitative aspects of volatility strategies; designed and implemented efficient econometric parameter estimation methods, built models for option pricing, created real-time user interfaces and reporting systems. F#, Excel-VBA and Python. Learned how to communicate and summarize complex ideas to decision makers.
  • Jane Street Capital, Llc
    Quant/Asst Trader
    Jane Street Capital, Llc Jun 2004 - Dec 2006
    As an early member of the research team, investigated statistical arbitrage strategies using tick data and a custom distributed computing environment. After identifying signals (regression techniques), shifted towards im- plementing trading platforms, and focused on expressing execution logic clearly and efficiently in code. Helped deploy several strategies, monitored their execution for correctness and implemented improvements. OCaml, Excel/VBA. Learned about the pragmatic efficiency of functional programming, that there is an incredible value in thinking about markets from the perspective of arbitrage, and the importance of probabilities and distributional effects in decision making.

Leonid Rozenberg Education Details

  • Caltech
    Caltech
    Computer Science

Frequently Asked Questions about Leonid Rozenberg

What company does Leonid Rozenberg work for?

Leonid Rozenberg works for Florissant

What is Leonid Rozenberg's role at the current company?

Leonid Rozenberg's current role is Self Employed.

What schools did Leonid Rozenberg attend?

Leonid Rozenberg attended Caltech.

Who are Leonid Rozenberg's colleagues?

Leonid Rozenberg's colleagues are Emily Harnden, Eduardo Cortes Rivero.

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