George Sifonios

George Sifonios Email and Phone Number

Senior Customer Insights Analyst @ Monocle
london, greater london, united kingdom
George Sifonios's Location
United Kingdom, United Kingdom
About George Sifonios

George Sifonios is a Senior Customer Insights Analyst at Monocle. He possess expertise in qlikview, c, c++, java, computer science and 38 more skills. He is proficient in English - Proficient user and German - Basic User.

George Sifonios's Current Company Details
Monocle

Monocle

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Senior Customer Insights Analyst
london, greater london, united kingdom
Website:
monocle.com
Employees:
228
George Sifonios Work Experience Details
  • Monocle
    Senior Customer Insights Analyst
    Monocle Oct 2024 - Present
    Greater London, England, United Kingdom
  • Amazon
    Senior Marketing Data Analyst
    Amazon Mar 2022 - Oct 2024
    London, England, United Kingdom
    - Led the automation of marketing reporting through SQL, transitioning from Excel files to self-service dashboards utilizing Quicksight, dramatically reducing report preparation time from two days to one hour.- Championed the implementation of an integrated marketing environment that consolidates data from multiple vendors (e.g., Google Ads, Facebook Ads) into a unified dashboard, enhancing campaign management efficiency for Marketing Managers.- Spearheaded experiments with media… Show more - Led the automation of marketing reporting through SQL, transitioning from Excel files to self-service dashboards utilizing Quicksight, dramatically reducing report preparation time from two days to one hour.- Championed the implementation of an integrated marketing environment that consolidates data from multiple vendors (e.g., Google Ads, Facebook Ads) into a unified dashboard, enhancing campaign management efficiency for Marketing Managers.- Spearheaded experiments with media vendors to measure the incremental impact of social campaigns on conversions.- Conducted deep dives to improve the performance of the Media Mix Model. Show less
  • Burberry
    Digital Analyst
    Burberry Oct 2021 - Mar 2022
    London, England, United Kingdom
    Main responsibilities: Create Looker dashboard using online transactional data aiming to provide customers insights, Lead experiments (A/B testing) to help Marketing team to target better customers, Deep dive to online transactional data to provide insights that shaped strategical positions for the application.- Conducted in-depth analysis of online transactional data to optimize customer online journeys using Google Analytics, providing strategic insights to the digital… Show more Main responsibilities: Create Looker dashboard using online transactional data aiming to provide customers insights, Lead experiments (A/B testing) to help Marketing team to target better customers, Deep dive to online transactional data to provide insights that shaped strategical positions for the application.- Conducted in-depth analysis of online transactional data to optimize customer online journeys using Google Analytics, providing strategic insights to the digital department.- Collaborated closely with senior leadership across Marketing, Finance, and CRM teams to develop and maintain insightful dashboards with Looker and BigQuery, enhancing web performance monitoring.- Led experiments designed to improve decision-making processes and informed strategic initiatives. Show less
  • Burberry
    Customer Insights Analyst
    Burberry Mar 2020 - Oct 2021
    London, England, United Kingdom
    Main responsibilities: Create Tableau dashboards for various teams to present customer insights,Deep dive into transactional data to provide customer insights leading to strategic decisions- Analyzed transactional data to monitor key customer KPIs and evaluate commercial performance, driving strategic insights.- Developed and enhanced Tableau dashboards to facilitate ongoing understanding of customer trends, producing weekly/monthly trade reports and identifying key product… Show more Main responsibilities: Create Tableau dashboards for various teams to present customer insights,Deep dive into transactional data to provide customer insights leading to strategic decisions- Analyzed transactional data to monitor key customer KPIs and evaluate commercial performance, driving strategic insights.- Developed and enhanced Tableau dashboards to facilitate ongoing understanding of customer trends, producing weekly/monthly trade reports and identifying key product drivers.- Partnered with senior leadership to deliver detailed, ad hoc customer analytics focused on key markets, enabling data-driven strategic decisions. Show less
  • Experian
    Data Analyst
    Experian Aug 2018 - Feb 2020
    London, United Kingdom
    Main responsibilities: Create end-to-end data pipelines in SQL, Develop forecasting models to predict customer retention, Build data products focused on the energy and postal services industries- Provided comprehensive profile analysis to support client campaigns and strategic initiatives across Banking, Energy, and Telecommunications industries.- Enhanced and automated processes using SQL and Python to reduce execution time and ensure data quality.- Liaised with stakeholders to… Show more Main responsibilities: Create end-to-end data pipelines in SQL, Develop forecasting models to predict customer retention, Build data products focused on the energy and postal services industries- Provided comprehensive profile analysis to support client campaigns and strategic initiatives across Banking, Energy, and Telecommunications industries.- Enhanced and automated processes using SQL and Python to reduce execution time and ensure data quality.- Liaised with stakeholders to understand data content and business requirements, translating them into actionable insights. Show less
  • Hellenic Army
    Soldier (Research & Informatics Office)
    Hellenic Army Jun 2016 - Feb 2017
    Kos Island, Greece
    - Administered the Brigade’s Active Directory, ensuring optimal network functionality and security.- Maintained and provided technical support for local networks and military applications, ensuring operational efficiency.
  • Pwc
    Business Intelligence Developer
    Pwc Nov 2014 - Feb 2016
    Athens, Greece
    - Debugged SQL scripts, troubleshot code, and resolved performance issues to maintain system integrity.- Designed, developed, and maintained reports using QlikView, TARGIT, and Tableau, providing critical business insights.- Translated written business requirements into detailed technical specifications, ensuring accurate implementation.
  • University Of Malta
    Erasmus Intern
    University Of Malta Jul 2014 - Sep 2014
    Malta
    - Developed a data mining project to collect and process game behavioral data, implementing the Generalized Sequential Pattern algorithm in a Java environment.- Clustered gamers based on their strategic approaches using Weka software, providing actionable insights into player behavior.
  • Department Of Information Technology Of Kos Municipal
    Summer Intern
    Department Of Information Technology Of Kos Municipal Jul 2013 - Aug 2013
    Kos
    - Maintained the official municipal website, ensuring up-to-date content and optimal performance.- Coordinated with content creators to improve the website’s structure, enhancing user experience and accessibility.

George Sifonios Skills

Qlikview C C++ Java Computer Science Php Mysql Software Engineering Android Javascript Algorithms English Eclipse Css Netbeans Android Development Rapidminer Google Adwords Programming Sql Wordpress Html Targit Matlab Machine Learning Xml Microsoft Office Windows Databases Microsoft Sql Server Microsoft Excel C# Business Intelligence Data Mining Powerpoint Data Analysis Visual Studio Uml Teamwork Microsoft Word Microsoft Powerpoint Pytho Statistical Data Analysis

George Sifonios Education Details

Frequently Asked Questions about George Sifonios

What company does George Sifonios work for?

George Sifonios works for Monocle

What is George Sifonios's role at the current company?

George Sifonios's current role is Senior Customer Insights Analyst.

What schools did George Sifonios attend?

George Sifonios attended University Of Edinburgh Business School, University Of Aegean.

What skills is George Sifonios known for?

George Sifonios has skills like Qlikview, C, C++, Java, Computer Science, Php, Mysql, Software Engineering, Android, Javascript, Algorithms, English.

Who are George Sifonios's colleagues?

George Sifonios's colleagues are Evie Raphael, Marcela Palek, Florian Siebeck, Jacqueline Deacon, Laura Rysman, Mary Holland, Chester Bentley.

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