Experienced Data analyst Transforming data into insights
I’m Sameh Rezk, a Data analyst With 5+ Years of Experience in The banking field
Hi, I’m Sameh Rezk, a data enthusiast with a passion for turning numbers into meaningful insights. With a strong background in banking and data analytics, I specialize in applying statistical and machine learning techniques to solve real-world business problems. I love exploring data, building predictive models, and sharing knowledge in a clear and actionable way. This site is where I showcase my projects, insights, and the work I do to make numbers speak.
Sameh Rezk
Education
Data Science Diploma
2024 –
Cairo University – Faculty of graduate studies for statistical research
Bachelor of Commerce – English section
2013- 2017
Damietta University
Very Good with Honors
.
Experience
Senior Teller
CIB Egypt · Full-time
Aug 2019- Present
To perform the operational functions related to cash area including cash/non-cash transactions and provides a superior service level to all customers.
Operational Functions:
• Manage the branch daily cash needs with Head Teller for better coordination of cash shipments between the branch and central vault.
• Investigate thoroughly any differences in balancing and reconciliation of cash and other security items by following the standard process of checking / scrutiny / investigation as outlined in Branch standard operating procedure manual.
• Maintain accurate checking on all end of day reports and rectifying of highlighted discrepancies to ensure all controls and procedures are adhered to.
• Complies with all relevant CBE regulations, banking laws, AML regulations and internal CIB policies and code of conduct in order to maintain CIB’s sound legal position and mitigate any potential risks.
Certificates
Google Advanced Data Analytics – Coursera
(Dec 2024)
A comprehensive seven-course program covering advanced data analytics techniques, including statistical analysis, regression modeling, machine learning, Python for data manipulation, and data visualization using Tableau. This certification strengthened my ability to extract insights from large datasets and make data-driven decisions.
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Business Intelligence & Data Analyst (BIDA®) - CFI
(April 2024)
A comprehensive program with an end-of-course project, offered by the Corporate Finance Institute, covering key data analytics techniques essential for generating accurate insights and uncovering hidden opportunities to support management in decision-making. The program includes training in Excel, Power Query, Power BI, Tableau, SQL, statistical analysis, regression modeling, and Python for data manipulation.
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Applied Data Science Lab – WorldQuant University
(Jan 2024)
A hands-on program focused on applying data science techniques to real-world problems. Covered key topics such as accessing data from files, SQL and NoSQL databases and APIs, Python for data analysis, machine learning, statistical modeling, data visualization, and feature engineering. Gained practical experience in handling large datasets and building predictive models.
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CS50’s Introduction to Computer Science - edX
(Oct 2023)
Harvard University’s introduction to the intellectual enterprises of computer science and the art of programming for majors and non-majors.
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Data Analyst in SQL - DataCamp
(Jun 2023)
39hrs course teaching SQL for data analysts. I learned how to query database using SQL to do further analytics using various data analysis tools
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Advanced Data Analysis - Udacity
(May 2022)
Last level of Nanodegree offered by Udacity to master data analytics. This course offered a lot of information related to data analytics starting from using tool like Excel in data analysis, using SQL to retrieve data from database to be used in the analysis process to gain insights about data, using python in data analytics, and applying basic linear regressing technique like OLS technique to predict linear formula coefficients through assessed project.
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Data Analysis Professional - Udacity
(Jan 2022)
The intermediate level of Nanodegree offered by Udacity to master data analytics. this course offered fundamentals concepts that is essential to master data analytics like statistics, python, Tableau
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Achievements
Projects
Financial Performance Dashboard (Power BI)
Developed an interactive Power BI dashboard using financial data imported from the company’s data warehouse. Built dynamic Income Statement and Balance Sheet reports, and performed financial ratio analysis (profitability, liquidity, and solvency) to evaluate the company’s financial health. The dashboard enables stakeholders to track performance, identify trends, and support data-driven financial decisions.
Sales Performance Analysis Dashboard (Excel Power Query & Power Pivot)
Analyzed company sales performance by store, manager, and time using Excel Power Query for data extraction, cleaning, and transformation, and Power Pivot for data modeling and calculations. Created interactive reports to track sales trends, compare performance across dimensions, and identify top- and under-performing stores and managers to support data-driven decision-making.