The opening segment of the memo makes the purpose of the memo clear. The first sentence or two functions much like the thesis statement of an essay, stating the main point and purpose of the memo, and what you want the readers to know or act upon. The opening should be brief, the length of a short paragraph. Use language and key words that alert reader to your subject and purpose. For example, “In response to your request for suggestions about X, I propose….” Or,
“After investigating X, I suggest that the company do Z….”.