Carl-Johan Rosenberg

Carl-Johan Rosenberg Email and Phone Number

Chief Data Officer
Carl-Johan Rosenberg's Location
Bromley, England, United Kingdom, United Kingdom
Carl-Johan Rosenberg's Contact Details

Carl-Johan Rosenberg work email

Carl-Johan Rosenberg personal email

About Carl-Johan Rosenberg

Chief Data Officer with 14 years of experience across data science, finance, and operations. Proven track record in a fast-paced tech unicorn and start-ups within FinTech, online food delivery, and e-commerce. Highly skilled in building and leading data teams, driving business value through analytics, and optimising operational efficiency through automation and innovative solutions.

Carl-Johan Rosenberg's Current Company Details

Chief Data Officer
Carl-Johan Rosenberg Work Experience Details
  • Kuflink
    Vp Of Analytics
    Kuflink Dec 2018 - May 2023
    Set up an analytics function and introduce modern tools such as Redshift, DBT Cloud, and Metabase for reporting.Ensured FCA compliance of regulatory reporting with a focus on rebuilding Client Asset Reconciliation procedures and managing CF10a responsibilities (Nov 2018 – Dec 2019).Designed and managed the development of Kuflink’s flexible ISA product, including its most popular auto-invest algorithm.
  • Deliveroo
    Head Of Competitive Intelligence
    Deliveroo Jun 2018 - Dec 2018
    London, United Kingdom
    Built a market-share model and framework using R and Snowflake, benchmarking performance across global markets.Presented key insights on performance trends to senior management, supporting strategic decision-making.Managed a team of data scientists and utilised tools like Webscraping, AppAnnie, SimilarWeb, and LinkedIn Pro for competitive analysis.
  • Madbid.Com
    Vp Of Finance And Operations
    Madbid.Com Aug 2016 - May 2018
    London, United Kingdom
    Led operations and finance teams with 20 people covering 40 countries doing merchandising, buying, supply chain, customer service and running the finance function;Business development/country launches start-to-end including supplychain, legal opinions and payment processing;Prepared teasers, financial modelling, and management presentation;European Court of Justice VAT-litigation against HMRC together with KPMG;Hands-on leading the data science team doing AB-testing, modelling, ad-hoc analysis and automation.
  • Madbid.Com
    Business Analysis Manager At Marcandi Ltd.
    Madbid.Com Oct 2012 - Jul 2016
    London, United Kingdom
    Lead Data Science & Business Analysis TeamFocused on customer behaviour, retention, and marketing insights to drive data-informed decision-making. Delivered a variety of impactful data science projects, including:A/B Testing & Stakeholder Collaboration: Established a streamlined A/B testing framework, created analysis templates, and facilitated stakeholder engagement across the organisation.Attribution Model Development: Built an attribution model with seamless API integrations for Google Analytics, Thrive, and native advertising partners to track and optimise marketing efforts.SQL Data Pipeline: Developed a SQL-based data pipeline to generate denormalised tables for dashboards and Excel reports, improving accessibility and reporting efficiency.Custom Dashboard System: Designed and implemented a company-wide visualisation/dashboard platform using R/Shiny, tailored to specific business needs.Data Warehouse Creation: Leveraged AWS, Redshift, Python, and Django/Celery to build a scalable data warehouse for itcher.com, enhancing data storage and processing capabilities.Bayesian Churn Prediction: Led project management for a Bayesian churn prediction model, focusing on improving customer retention strategies.Reinforcement Learning: Collaborated with Politecnico di Milano on a reinforcement learning project to optimise timer reduction processes.Product Management & Business Analysis:Product Owner Role: Partnered with the CEO and technology team to define, clarify, and prioritise business requirements, feature requests, and bug fixes.Process Optimization & Automation: Led initiatives to streamline operations and automate processes, increasing efficiency across the organisation.
  • Madbid.Com
    Auction Manager And International Operations Executive
    Madbid.Com Feb 2011 - Sep 2012
    London, United Kingdom
    Leading operations Auction management in an E-commerce startup company. Responsible for the revenue and profit generation. Acting as a hub towards 7 European markets. Defined metrics and KPIs and built reports in Excel/VBA and MySQL. Launched the Swedish version of the E-commerce-platform.
  • Madbid.Com
    Operations Support Executive
    Madbid.Com Nov 2010 - Feb 2011
    London, United Kingdom
    Generated revenue through auction management and did order fulfilment through procurement and customer service. In an E-commerce startup company.
  • Cbs Interactive
    Telmarketer
    Cbs Interactive Aug 2010 - Sep 2010
    London, United Kingdom
    Marketing and sales of IT products in Sweden and the UK. Working in a target driven environment with world leading brands suchas Symantec, VeriSign and Oracle.
  • University Of Agder
    Research Assistant
    University Of Agder Jan 2010 - Feb 2010
    Collecting data for international research project
  • Lund University
    Research Assistant
    Lund University Oct 2009 - Dec 2009
    Collecting data for international research project
  • University Of North Carolina At Chapel Hill
    Research Associate
    University Of North Carolina At Chapel Hill Jan 2007 - Sep 2009
    Sweden
    Joint international research project resulting in nice and original contribution in the field of nonlinear wave-propagation
  • Lund University
    Case Author
    Lund University Jun 2009 - Aug 2009
    Sweden
    Authoring case study on Benchmarking project in the Swedish public sector.

Carl-Johan Rosenberg Skills

Business Strategy Business Analysis Business Intelligence Start Ups Statistics Machine Learning Data Analysis Operations Management Applied Mathematics Mathematical Modeling Research Microsoft Excel Vba Fortran 95 Python C++ Java Perl Mysql R Visual C# Business Development Google Analytics Analytics E Commerce Project Management Hadoop Nosql Sql C

Frequently Asked Questions about Carl-Johan Rosenberg

What is Carl-Johan Rosenberg's role at the current company?

Carl-Johan Rosenberg's current role is Chief Data Officer.

What is Carl-Johan Rosenberg's email address?

Carl-Johan Rosenberg's email address is ca****@****ail.com

What skills is Carl-Johan Rosenberg known for?

Carl-Johan Rosenberg has skills like Business Strategy, Business Analysis, Business Intelligence, Start Ups, Statistics, Machine Learning, Data Analysis, Operations Management, Applied Mathematics, Mathematical Modeling, Research, Microsoft Excel.

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