Great points and common areas of improvement!
Communication
It's easy to make something complicated, hard to make something simple. How to fix this?
Take a few seconds - gather your thoughts. Perhaps right them down. Take a quick breather to better formulate and then articulate your thoughts
Use signposting - Always preface what you will be saying. For example, when brainstorming you can say "I'm thinking about this in three main ways: A, B, and C. Within A we can look at..."
Practice with a coach - Other PrepLounger are fantastic practice but they are generally too nice! you need a coach who will really hit back and work with you to improve your answers.
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Business judgement
Daily Business News/Thinking: Financial Times
Larger Thinking/Trends: The Economist
Crash course: BCG Insights, McKinsey Featured Insights
For the past decade I have read The Economist and the Financial Times daily. This built-up knowledge was instrumental in ensuring I had the right thinking+base knowledge for casing.
Also to improve your business judgement:
- Reading through (and fully understanding cases)
- Working on a mindset shift (happy to teach you a session in this)