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$50 USD / hour
Flag of GREECE
athens, greece
$50 USD / hour
It's currently 11:05 AM here
Joined March 28, 2010
0 Recommendations

Christos M.

@chrismylonas

 0.0 (0 reviews)
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$50 USD / hour
Flag of GREECE
athens, greece
$50 USD / hour
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Data expert

I am an experienced Business & IT Consultant, with a strong marketing, sales and finance background. Having worked in leading multinational companies and startups, I am currently working as a freelancer. I have a deep knowledge of data processing, including: - Data quality analysis / assessment - Data correction / cleaning - Data Migration - Data processing I use all relevant tools including: - Microsoft Power Query - Power Pivot - Microsoft Power BI - Microsoft Excel general & array formulas - Microsoft VBA - Python custom scripts - Notion - Coda - Airtable
Freelancer Data Processing Executives Greece
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Portfolio

3170242
This was a complicated invoicing tool for B2B purposes based on MS excel using VBA code. Among other functionalities, the tool was able to open various xls files containing input data, collect necessary data, processing (categorizations and calculations) and make final reports.
Special purpose invoicing tool
3170102
This is an excel tool created for the customer call center of Greek telecommunication company. This tool was used to find the optimum pricing plan for each customer, according to his past usage in different types of calls and SMS. There were 3monts usage data for about 15.000 customers pre-loaded in the second sheet. The customer care agent had only to use the 1st sheet by entering the phone number of the customer.
Mobile plan optimization tool - Excel
This is an excel tool created for the customer call center of Greek telecommunication company. This tool was used to find the optimum pricing plan for each customer, according to his past usage in different types of calls and SMS. There were 3monts usage data for about 15.000 customers pre-loaded in the second sheet. The customer care agent had only to use the 1st sheet by entering the phone number of the customer.
Mobile plan optimization tool - Excel
3170242
This was a complicated invoicing tool for B2B purposes based on MS excel using VBA code. Among other functionalities, the tool was able to open various xls files containing input data, collect necessary data, processing (categorizations and calculations) and make final reports.
Special purpose invoicing tool
3170102
This is an excel tool created for the customer call center of Greek telecommunication company. This tool was used to find the optimum pricing plan for each customer, according to his past usage in different types of calls and SMS. There were 3monts usage data for about 15.000 customers pre-loaded in the second sheet. The customer care agent had only to use the 1st sheet by entering the phone number of the customer.
Mobile plan optimization tool - Excel
This is an excel tool created for the customer call center of Greek telecommunication company. This tool was used to find the optimum pricing plan for each customer, according to his past usage in different types of calls and SMS. There were 3monts usage data for about 15.000 customers pre-loaded in the second sheet. The customer care agent had only to use the 1st sheet by entering the phone number of the customer.
Mobile plan optimization tool - Excel

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Education

PGDip Business Finance

Brunel University, United Kingdom 1999 - 2000
(1 year)

Maitrise AES

Université du Droit et de la Santé (Lille II), France 1994 - 1998
(4 years)

Qualifications

Notion Essentials Badge

Notion HQ
2024
Notion Essentials Badge holders have demonstrated baseline proficiency across all Notion features. They understand block types, collaboration, databases, sidebar organization, and user settings. They can identify best practices for daily Notion use.

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Top Skills

Data Processing
Data Entry
Excel
Technical Writing
Editing

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