Dr. Tatiana Keller

Data Scientist / Researcher / Scientific Communicator

Köniz, Bern, Schweiz Kontaktinformationen
265 Follower:innen 261 Kontakte

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Info

Data Scientist, AI / Space Scientist / Filmmaker


Founder of MagicSciencePro "to show the beauty of science."

Research interests:
- solar system planets, moons, comets
- photometry for space bodies
- nuclear physics
-high energy and elementary particle physics
-high energy astrophysics

Scientific experiment involvements:
- CaSSIS, an ongoing ESA mission on Mars orbit
-ALICE , Large Hadron Collider, CERN
-NA61/SHiNE, Super Proton Synchrotron, CERN

Movies awards:
"Best Science movie" New York Science and Nature Festival September 2023
'Honorable mention' Space Faring Civilisation Film Festival, Australia, October 2023
"Best short movie PROFESSIONAL" Global Science Film Festival 2023, Switzerland, Japan, India, China
"Best scientist as a filmmaker", Global Science Film Festival, Switzerland 2023
"Best scientist as a filmmaker", Global Science Film Festival, Zurich 2021,
"Best photographer for science", Science Film Academy, Zurich 2021
"Best musical clip", International Film Festival "White Nights", Saint-Petersburg 2020.

Aktivitäten

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Berufserfahrung

  • Constructor Academy Grafik

    Data Science Fellow

    Constructor Academy

    – 5 Monaten

    3 months of practical and project-based learning with a focus on:
    • Statistics and experimental design
    • Data science toolkit: Python, R, SQL
    • JSON, Web scraping and the use of APIs
    • Data analysis and visualization
    • Machine Learning (supervised / unsupervised): application of different algorithms (classification, regression, random forest, XGBoost, k-Means, etc.) with sci-kit learn
    • Deep Learning and Natural Language Processing with tensorflow
    • Application in projects,…

    3 months of practical and project-based learning with a focus on:
    • Statistics and experimental design
    • Data science toolkit: Python, R, SQL
    • JSON, Web scraping and the use of APIs
    • Data analysis and visualization
    • Machine Learning (supervised / unsupervised): application of different algorithms (classification, regression, random forest, XGBoost, k-Means, etc.) with sci-kit learn
    • Deep Learning and Natural Language Processing with tensorflow
    • Application in projects, data challenges and kaggle competitions

    Skills: streamlit · Beautiful Soup · Scikit-learn · Matplotlib · Anaconda · Data Wrangling · SQL · Plotly · Seaborn · Git · Data Science · Pandas (Software) · TensorFlow · Machine Learning · Data Visualization · Data Mining · Statistical Data Analysis · Deep Learning · Python (Programming Language)

  • Film Director, Screenwriter

    Magic Science Production

    – 5 Jahre

    Short movies production for science:
    - "CaSSIS. Mars Demystified"
    - "CHEOPS. Mission extension"
    -"Uncovering the unknown." (as a film trainer for Science Film Marathon 2022)
    -"Dust puzzles"
    - "Through the StarDust"
    - "Hidden Charm"

  • Universität Bern Grafik

    Postdoctoral Associate Planetary Science

    Universität Bern

    – 2 Jahre 8 Monate

    Берн, Берн, Швейцарская Конфедерация

    Developed a Simulator of photons' multi-boundaries scattering to estimate the space bodies' properties and composition.
    - implemented GPU-accelerated technique with a Unity engine
    - programming on C# using the Ray-Tracing technique
    - data analysis
    - data visualization
    - results presentation at scientific conferences
    Working on photometry laboratory experiments with different roughness samples with reflectometer PHIRE2 as a proof of simulation technique.
    - experiment…

    Developed a Simulator of photons' multi-boundaries scattering to estimate the space bodies' properties and composition.
    - implemented GPU-accelerated technique with a Unity engine
    - programming on C# using the Ray-Tracing technique
    - data analysis
    - data visualization
    - results presentation at scientific conferences
    Working on photometry laboratory experiments with different roughness samples with reflectometer PHIRE2 as a proof of simulation technique.
    - experiment realisation
    - sample creation on a 3D printer
    - data analysis and comparison with predicted simulation data
    Development of Virtual Reality Martian 3D gallery (Unreal Engine)
    - 3D Mars landscape model creation based on stereo images by CaSSIS camera (ESA) on Mars orbit
    - concept creation and gallery development on Unreal Engine for Oculus Rift
    Teaching laboratory classes to student

  • Saint Petersburg State University

    Saint Petersburg State University

    9 Jahre 11 Monate

    • Saint Petersburg State University Grafik

      Doctoral Researcher

      Saint Petersburg State University

      – 3 Jahre 11 Monate

      Developed the background fluctuation minimisation method at the ultrarelativistic nuclei collisions, based on centrality classes width choice when dispersion remains constant with centrality classes width decrease (C++, ROOT).
      Data analysis from ALICE experiment, CERN
      Results presentation at particle physics conferences worldwide
      Laboratory teaching at Nuclear Physics
      Assistant professor, lectures “Thermonuclear Synthesis” in the course “Neutron Physics.”

    • Saint Petersburg State University Grafik

      Research Engineer

      Saint Petersburg State University

      – 3 Jahre 11 Monate

      St Petersburg, St Petersburg City, Russia

      Phenomenology and data analysis for ALICE and NA61/SHINE
      phenomenological model development
      simulation of nuclear-nuclear collisions with HIJING generator
      C++, Fortran programming:
      determination of centrality classes in nucleus-nucleus collisions,
      proton-nucleus interactions at high energies based on ALICE and NA61/SHINE experiments
      Results presentation on international conferences

    • Saint Petersburg State University Grafik

      Master student, Research Engineer

      Saint Petersburg State University

      – 4 Jahre 2 Monate

      Determination of centrality classes in nucleus-nucleus, proton-nucleus interactions at high energies
      based on ALICE and NA61/SHINE experiments
      − Mastering of AliROOT and AliAnalysis framework
      − MC data analysis using HIJING generated and reconstructed data for ALICE (V0)
      − Studying the distribution for impact parameter, number of participated nucleons and multiplicity (using V0)
      − Calculation and comparison of the standard deviation of participants σ for different width of…

      Determination of centrality classes in nucleus-nucleus, proton-nucleus interactions at high energies
      based on ALICE and NA61/SHINE experiments
      − Mastering of AliROOT and AliAnalysis framework
      − MC data analysis using HIJING generated and reconstructed data for ALICE (V0)
      − Studying the distribution for impact parameter, number of participated nucleons and multiplicity (using V0)
      − Calculation and comparison of the standard deviation of participants σ for different width of centrality classes
      − Find the minimal σ and average number of wounded nucleons for all centrality classes choosing for multiplicity and impact parameter
      − Comparison of a validity of the analysis for light (Be-Be) and heavy (Pb-Pb) AA collisions
      − HIJING simulation for AA and pA collision with porpoise to evaluate the method of centrality determination based on a multiplicity selection and its reliability for an analysis of an initial state medium density fluctuation

      • Investigation of initial state medium density fluctuations in the experiments on ultra-relativistic heavy and light ion collisions.
      − Long-Range Correlation Analysis for Be-Be collisions at NA61/SHINE experimental set-up
      − Be7-Be9 data analysis using SHINE/SHOE software; nn, pt-n correlations
      − GEANT4 modulation of the PSD (Projectile Spectator Detector) for NA61/SHINE in an implementation with SHINE-software in purpose for a Monte-Carlo investigation

    • Saint Petersburg State University Grafik

      Bachelor Student

      Saint Petersburg State University

      – 2 Jahre

      • Fluctuations of a number of wounded nucleons and binary NN collisions in nucleus-nucleus interactions for NA61/SHINE experimantal setup in CERN:

      − Created MC generator for Glauber model using C + + language
      − Investigation of nucleus-nucleus collision for SPS energy: Study of background fluctuations
      Distribution of impact parameter, number of collisions, number of participants for fix target nucleus
      and its fluctuations vs number of participants for…

      • Fluctuations of a number of wounded nucleons and binary NN collisions in nucleus-nucleus interactions for NA61/SHINE experimantal setup in CERN:

      − Created MC generator for Glauber model using C + + language
      − Investigation of nucleus-nucleus collision for SPS energy: Study of background fluctuations
      Distribution of impact parameter, number of collisions, number of participants for fix target nucleus
      and its fluctuations vs number of participants for projectile-nucleus.

      • Multiplicity fluctuations of charged particles produced in AA collisions at high energies.

      − Investigation of multiplicity fluctuations and Comparing results of the MC simulations to the experimental data
      − Estimated the connection between multiplicity and number of nucleons which participate in the collision
      −Input to the program of the experimental error of the calorimeter measurement (experiment NA49) and the total correction applied to the measured scaled variance of charged particles as a function of the number of projectile participants ⇒ good agreement MC and experimental data

      • Measurement of atomic nuclei size using electron scattering method

      − Investigation of charge density distribution in nucleus
      − Found general scheme for construction spherical nucleus related with R.Hoftadter Nobel research

  • CERN Grafik

    research at ALICE and NA61/SHINE experiments

    CERN

    – 5 Jahre 6 Monate

    Geneva Area, Switzerland

    (periodical business trips to experiments)
    experiment controller ALICE and CMS, Large Hadron Collider
    senior experiment controller NA61/SHINE, Super Proton Synchrotron
    data analysis
    participation in international collaboration meetings and research result presentation

  • Petersburg Nuclear Physics Institute, National Research Centre "Kurchatov Institute" Grafik

    Laboratory Research Assistant

    Petersburg Nuclear Physics Institute, National Research Centre "Kurchatov Institute"

    – 7 Monaten

    Gatchina

    Modelling of physical processes of proton-proton collisions with Pythia 8 generator
    Data analysis:
    Ridge Effect investigation in pp, pA and AA collisions, CMS experiment

Ausbildung

  • Constructor Academy Grafik

    Constructor Academy

    Data Scientist Data Processing

    –

    Activities and Societies: Python, SQL, C++, C# Machine Learning, Statistical Data Analysis, Deep Learning, NLP, Computer Vision, Visualisation Pandas, TensorFlow, Keras, Matplotlib, Plotly, Seaborn,Streamlit Data Mining, Data Wrangling, WebScraping, Beautiful Soup Git, Anaconda

  • Санкт-Петербургский Государственный Университет Grafik

    Saint Petersburg State University

    Doctor's Degree Nuclear Physics

  • Всероссийский Государственный Институт Кинематографии им. С.А. Герасимова Grafik

    VGIK Gerasimov Institute of Cinematography

    FilmDirector, Screenwriter outreach movie production

    –

  • Санкт-Петербургский Государственный Университет Grafik

    Saint Petersburg State University

    Master of Physics High energy and elementary particle physics

    –

    Activities and Societies: Member of SPb State University Sport Cross-country Skiing Team (Third-Class Sportswoman),

  • Санкт-Петербургский Государственный Университет Grafik

    Saint Petersburg State University

    Bachelor of Physics High energy and elementary particle physics

    –

Veröffentlichungen

Auszeichnungen/Preise

  • Best scientist as filmmaker

    5th Global Science Film Festival, Switzerland

  • Best short movie professional

    5th Global Science Film Festival, Switzerland, Japan, China, India

    For the movie « CaSSIS. Mars demystified »

  • Best Scientist as Filmmaker

    Swiss Science Film Academy during Global Science Film Festival Zurich

    for the movie "Dust puzzle"

  • Best photographer for Science

    Swiss Science Film Academy, Science photo marathon

  • Bruno Pontecorvo diploma at the Ettore Majorana International School of Subnuclear Physics

    Ettore Majorana International School of Subnuclear Physics

  • Academic Scholarship 2012 for the best students of Saint-Petersburg State University

    Saint-Petersburg State University

    (Third place study rating on the Physical Faculty SPbSU (only 40 fellowships awarded))

  • Academic Scholarship 2011 for the best students of Saint-Petersburg State University

    Saint-Petersburg State University

    (ninth place in study rating between all students of Saint-Petersburg State University)

  • Diploma for the best poster talk on topic Theoretical, Mathematical and Computational Physics

    DAAD, ”Science and Progress”

Sprachen

  • Russian

    Muttersprache oder zweisprachig

  • Englsh

    Verhandlungssicher

  • French

    Grundkenntnisse

  • Deutch

    Grundkenntnisse

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