Clear data visualisation is essential for making informed decisions, conveying new ideas and developing strategy.
We live a data-driven world and no decisions that count should be taken without attempting to understand the outcome. But data can be intimidating and overly technical. In most circumstances I think this can be overcome by empathising with your audience and not being afraid to communicate simply (i.e. leveraging long-standing core principles of good design).
Some examples of my Data Viz work below have been anonymised for data privacy: