The Moon Doesn't Care About Your Date Table
Calendar days measure time, working days measure effort. Building a master calendar that respects both, in a country where the holidays follow the moon.
ReadJuan Carlo Mejía Chang · infoNode
Data analytics specialist & creative problem solver. I design and manage data solutions, machine-learning initiatives and executive reporting that support strategic decision-making across the organisation.
Worked with
About
With over 25 years of experience across multiple industries, I have spent recent years focused on data analysis, data engineering and business intelligence. I specialise in designing and managing data solutions that support strategic decision-making, spanning data modelling, ETL processes, interactive reporting and application development.
I have demonstrable expertise in integrating multiple data sources to generate meaningful insights, identifying areas of process improvement, streamlining workflows and implementing automation to boost data accuracy and optimise performance. With a proven track record of fostering collaboration, I communicate effectively with stakeholders to ensure the achievement of goals, KPIs and benchmarks.
Supporting the design and implementation of a data-driven Organisational Performance Platform (OPP), helping standardise KPIs, data points, sources, ETL, analytics and reporting across divisions, and contributing to machine-learning and scenario-modelling initiatives for operational intelligence.
Expertise
A full-stack data practitioner, from raw source integration through engineering, modelling and machine learning, to the reports and apps that leaders actually use.
Ramblings and Brain Notes
Stuff I learned, stuff I broke, and stuff I fixed.
Calendar days measure time, working days measure effort. Building a master calendar that respects both, in a country where the holidays follow the moon.
ReadA measure can help you find what is broken, or help you decide who to punish. Most organisations claim the first and practise the second. Why nothing being normalised causes the rest, and the six bucket lifecycle I use instead.
ReadRésumé
A trajectory from IT infrastructure and government digital transformation, through programme management, into data engineering and organisational performance.











Contact
Reach out to discuss freelance projects or full-time roles within my expertise, data-driven insights, advanced reporting, data engineering or organisational-performance platforms.