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Natalia Berki

BI expert

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Technologies

My Portfolio Highlights

My New Course

Introduction to Python

My New Course

Introduction to Python

Data whisperer, listening closely to the stories hidden within the numbers.

My Work

Take a look at my latest work.

course

Introduction to Relational Databases in SQL

course

Introduction to Power BI

course

Introduction to Python

course

Introduction to Relational Databases in SQL

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

Courses

Introduction to Python
Introduction to Power BI
Introduction to Relational Databases in SQL

My Work Experience

Where I've interned and worked during my career.

CHERRISK | Nov 2020 - Present

Senior Business Intelligence Expert

N/A

Auchan Retail | Jan 2019 - Oct 2020

Data Analyst

N/A

CIB Bank | Dec 2009 - Dec 2018

Customer Satisfaction and Service Quality Management Expert

Managing customer satisfaction surveys and publication of results within organization including presentation to top management Creating Customer Satisfaction and Service Quality related reports on internal data Suggesting actions on improvement of Customer Satisfaction
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CIB Bank | Aug 2007 - Dec 2009

Head of Sales Controlling

Leading a team of 6 experts Main responsibilities: Sales performance reports Agent commission fee calculation Sales incentive system development and operation

Vodafone | Aug 2006 - Aug 2007

Customer Lifecycle Manager

Managing retention activities Managing data-mining projects aimed at segmentation and churn prediction Managing revenue stimulation campaigns

Vodafone | Jul 2005 - Aug 2006

Modeling Specialist

Analysis, data-mining Leading marketing activities in Sales Support Front-end project – creating offers, target groups, report specification 

CIB Bank | Feb 2004 - Jul 2005

Marketing Analyst

Data-mining and analyis support for stuffing model of branch network Leading marketing activities in CRM (Front-end) project - sales process modelling, set-up of the CRM logical model, analysis of pilot results Creation of Campaign Evaluation Methodology, Campaign Evaluation

Telenor Magyarország (Pannon GSM) | Jun 2002 - Feb 2004

Marketing Analyst

Churn prediction for postpaid customers Campaign Management Tool Implementation Project, Marketing cluster manager Loyalty Program analyses

Hungarian Central Statistical Office | Jan 2001 - Jun 2002

Statistitian

Time series analyses, revision of the seasonal adjustment method of HCSO, development of a new methodology Preparing analyses and publications, relations with international institutions and press

My Education

Take a look at my formal education

Master of Science (MSc), EconomicsBudapesti Corvinus Egyetem | 2001
Bachelor of Arts (BA), International Business/Trade/CommerceKyiv National Taras Shevchenko University | 1997

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