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Sergey Mastitsky
Experienced Data Scientist
  • Suggested rate
    £626 / day
  • Experience8-15 years
  • Response rate100%
  • Response time1 hour
The project will begin once you accept Sergey's quote.
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Location and workplace preferences
City of London, United Kingdom
Remote only
Primarily works remotely

Project length

  • ≤ 1 week
  • ≤ 1 month
Would prefer to avoid:
  • Between 3-6 months
  • ≥ 6 months

Business sector

  • Arts & Crafts
  • Automobile
  • Banking & Insurance
  • Fashion & Cosmetics
  • Defense & Military
+21 other

Digital & IT, E-commerce, Energy & Utilities, Entertainment & Leisure, Film & AV, Environmental, Hospitality, Tech, Luxury Goods, Logistics & Supply Chain, Press & Media, Research, Real Estate, Restaurants & Food Service, Social Networks, Sports, Telecommunications, Software Publishing, Travel & Tourism, Video Games & Animation, Wine & Spirits


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Expertise (22)
Sergey in a few words
Trained to a PhD level, I have 20 years of experience in academic and industrial
sectors, where I used Statistics and cutting-edge Machine Learning to create new knowledge and deliver measurable business outcomes. My colleagues have repeatedly acknowledged my expertise in a wide range of modern data analysis and manipulation tools (e.g. R, Python and SQL), ability to clearly explain technical concepts to a layman, high attention to detail, friendliness and professional manner. I've also authored 40+ peer-reviewed scientific articles (including a paper in Nature) and 5 books on data analysis and visualisation.

As a Data Science consultant and freelancer, I provider a variety of services, including but not limited to:
- Deep and actionable, data-driven insights into your operational processes, customers, and products;
- Accurate models for customer lifetime value and churn to power value-based
acquisition and retention campaigns;
- Predictive applications to perform planning and optimisation tasks (revenue forecasting, budget allocation, recommender systems, preventive maintenance, etc.);
- Bespoke software development for data analysis and visualisation (e.g. interactive Shiny applications, APIs, etc.);
- Personnel training and upskilling in Data Science (including introductory sessions for executives and managers, and one-to-one coaching sessions).

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  • Google

    Menlo Park, CA, USA

    September 1998 - Today   25 years
    If I had to sum up my life up to this point, I'd say it's been one heck of a ride...

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