If you want to go to B-school you can write an essay which details every certificate you ever earned or every piece of paper you once shuffled. You could spend six months crafting something with many caveats and weasel words about what you did.
Alternatively, you could learn to tell a story. Compelling tales capture the imagination in
ways that simply listing a series of events cannot. Here are three examples. In the first two cases, you will need to adapt the narrative to your specific work situation. Shoehorn your story into these templates.
The third essay is self explanatory and probably not applicable to most people.
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