Lead Data Scientist

• Apr 2020 - Present

• Plan, organize, and monitor AI-based projects in the company • Manage work of the Data Science team • Interview and onboard new employees • Provide advanced analytics for the Marketing & Business development teams • QC of the data from external data providers • Report results to stakeholders & auditors • Consult principle customers on AI-based questions • Publicly announced highlights of the Data Science team under my supervision: - daily forecast city demand for 1400 destinations - daily estimate the yearly hotel demand for 700.000 properties (more than 58% worldwide) - daily analyze 90 million rates - in real-time provide occupancy forecast for customers Show less

Instructor

• Mar 2020 - Oct 2023

• I prepare and keep the DGMK advanced training course "Machine Learning for Subsurface” (3-day intensive course for industry professionals). • Next course is planned for March 2023 • I prepare and keep the DGMK advanced training course "Machine Learning for Subsurface” (3-day intensive course for industry professionals). • Next course is planned for March 2023

Postdoctoral Researcher

• Sep 2017 - Apr 2020

• Developed innovative approaches for detection and localization of microseismic events recorded simultaneously by the surface and borehole arrays • Delivered physically based analytical expressions for arrival-time uncertainties • Initiated and developed departmental educational activities including master student courses “Inverse problems and machine learning for exploration geophysics” and “Deep learning for exploration geophysics” • Developed innovative approaches for detection and localization of microseismic events recorded simultaneously by the surface and borehole arrays • Delivered physically based analytical expressions for arrival-time uncertainties • Initiated and developed departmental educational activities including master student courses “Inverse problems and machine learning for exploration geophysics” and “Deep learning for exploration geophysics”

Research Assistant

• Oct 2013 - Aug 2017

Multidimensional stacking • Performed systematic analysis of stacking operators; extended the theory of DSR-based stacking operators to the case of converted waves, the case of anisotropic media and the 3D case • Delivered numerous software products: 3D i-CRS code, CRS-based prestack data enhancement and interpolation code for arbitrary acquisition, PreSDM code Time-lapse seismic • Developed an algorithm of advanced cross-well velocity analysis • Applied the algorithm to time-lapse cross-well data acquired in South Oman to track steam injection • Achieved the improved anomaly focusing compared to the time-lapse tomography result • Developed 4D FWI algorithm based on the pseudospectral Fourie method to further improve the anomaly focusing Show less

Trainee

• Aug 2014 - Nov 2014

• Implemented the original method of time-lapse shallow velocity anomalies reconstruction by inverting virtual diving waves extracted from 4D OBN data • Delivered a new QC method for node-related static corrections • Implemented the original method of time-lapse shallow velocity anomalies reconstruction by inverting virtual diving waves extracted from 4D OBN data • Delivered a new QC method for node-related static corrections

Engineer

• Jan 2011 - Oct 2013

Trainee

• Feb 2013 - May 2013

• Developed 3D VTI eikonal solver based on the fast sweeping method • Integrated the eikonal solver into the Seismik's software (significantly speeded up the localization procedure and allowed to account for 3D velocity models) • Developed 3D VTI eikonal solver based on the fast sweeping method • Integrated the eikonal solver into the Seismik's software (significantly speeded up the localization procedure and allowed to account for 3D velocity models)

Visiting Researcher

• Feb 2012 - Apr 2012

Applied the method of multidimensional stacking of converted waves to realistic synthetic and field data Applied the method of multidimensional stacking of converted waves to realistic synthetic and field data

Exchange Student

• Oct 2011 - Dec 2011

Compared the analytical reflection coefficients at a thin fluid layer with the numerical results obtained by means of wavenumber integration technique (OASES package) and finite-difference method Compared the analytical reflection coefficients at a thin fluid layer with the numerical results obtained by means of wavenumber integration technique (OASES package) and finite-difference method

Visiting Researcher

• Aug 2011 - Aug 2011

• Implemented the double-square-root traveltime approximation for converted waves into the CRS code • Proposed gamma-CMP gathers and a pragmatic search of stacking parameters for converted waves • Implemented the double-square-root traveltime approximation for converted waves into the CRS code • Proposed gamma-CMP gathers and a pragmatic search of stacking parameters for converted waves

Exchange Student

• Nov 2010 - Nov 2010

Derived the reflection and transmission coefficients for plane waves incident on a thin fluid layer (a model of a hydraulic fracture) Derived the reflection and transmission coefficients for plane waves incident on a thin fluid layer (a model of a hydraulic fracture)