Richard Koch

Unreasonable Success and How to Achieve It

Personal and professional success through leverage and unconventional thinking

About the author

Richard Koch

Richard Koch is a British author and investor best known for popularizing the 80/20 Principle in business, which argues that 80% of results come from 20% of efforts. A former BCG and L.E.K. partner, he has applied this thinking to investing, strategy, and personal productivity.

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