Aaron O’Brien Email & Phone Number

United Kingdom

United Kingdom

- Led the BI function through various phases of the business- Delivered insights with views to generating revenue; understanding the end user; refining products; creating segmentations; beginning to personalise content- Ran data reviews for external clients, covering general KPI reporting as well as deep-dive analytics- Built and maintained Tableau reporting suite for internal and external customers- Carried out a Tableau -> Looker migration with a goal of improving data democratisation and slotting in with wider business technical needs- Championed a visual data approach, reducing time-to-insight and enabling the business to make decisions- Fed into the overall data strategy, acting as an SME to help steer leadership decisions- Assisted in hiring of other analysts

- In depth analysis on customer behaviour across the multiple sections of the business; retail, veterinary, grooming, subscriptions- Implemented Tableau over the top of previous Excel based insights and reporting, including ad-hoc BI, data analysis, up to completely interactive and engaging dashboards- Worked with SQL Server, Snowflake, and Google BigQuery data sources, as well as including ad-hoc data from flat files etc.- Assisted in the growth of the team from 2 to a large business function- Assisted in migration of SQL Server to a Snowflake data warehouse, including table and view design, UAT, and performance comparisons- Performed data analysis to show incomplete data and opportunities for the capture and maximisation of data- Worked closely with internal and external stakeholders to define data and reporting requirements, and building the subsequent insights and reports- Worked in Agile project workstreams

- Took over BI BAU reporting, streamlining and implementing efficiencies to deliver BI in line with stakeholder demand- Carried out various marketing insight responsibilities, including audience sizing, campaign washups, and activity performance monitoring- Majority of responsibility lay with ad-hoc loyalty scheme BI for the retail business, looking at new product launches, reasons for change, shopper demographics, and more- Worked with SQL Server to extract and transform data from the data warehouse into BI and reporting

Initially looked after data entry and database managementQuickly broadened to a range of responsibilities;- Providing data and BI driven buying and ranging assistance- Revamped, streamlined, and improved all reporting practices using a legacy RMS tool- Introduced visualisation to the business- Introduced a suite of custom SQL Server driven reports and analysis- Introduced new reporting skills and practices, training colleagues across the business- Looked after all EPOS equipment, including Pin Pads- Agency relations- Software testing and assisting in development- Running business wide stock takes

Responsible for;- Maintaining all ICT equipment across the business, including telecomms, network switches etc.- Maintaining a Meraki WiFi network, and using the built-in reporting to optimise business decisions- Maintained various virtual machines, from Citrix VDI and Virtual Apps to VMWare and RDS- Was one half of a two-person team who oversaw a business-wide project to upgrade all network and desktop systems, including a full switch replacement and remote working system upgrade- Maintained Active Directory, user rights, Group Policies, the Exchange server, and backup and recovery solutions- Developed basic systems for internal use to improve user experience and efficiency, such as rudimentary booking systems, and took project lead on the acquisition and implementation of an office supplies ordering and stock management solution

Responsible for;- Ranging, buying, and merchandising of the BBQ and Outdoor Heating range- Maintaining supplier relationships- Negotiating rates and discount- Partial responsibility on leading the Outdoor Leisure team