黑豹加速2.2.

Doris and Bertie are business writing experts. We work with anyone who needs to write as part of their job.

We take our inspiration from the world’s greatest businessman, Warren Buffett.
Well known for his down-to-earth communication style, Buffett writes all his business
documents as if he were talking to his sisters, Doris and Bertie.

We take our inspiration from the world’s greatest businessman, Warren Buffett. Well known for his down-to-earth communication style, Buffett writes all his business documents as if he were talking to his sisters,
Doris and Bertie.