从2011年五月起担任设计部经理一职的翻译：From May 2011 onwards as the post of Manager of design 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Since May 2011 as a design manager

From May 2011 onwards as the post of Manager of design

Holds the post of design department manager from May, 2011 a duty

From May 2011 has served as a design manager

From May 2011 onwards as the post of Manager of design