How to write a new staff announcement

Sample
Please welcome our new Staff to company name!
I have detailed below their biographies.
(you may post the new joiner's picture here if you have)

Mary Chan graduated with a xxx degree from the London School of Economics and Political Science in 2001. She then completed the Postgraduate Certificate in Laws from the University of Hong Kong in June 2002.
Her work experience includes xxx.
Mary is fluent in Cantonese and Mandarin. She will be sitting with Peter Chan and John Ho.

Date : (ddmmyy)
Appointment of General Manager
We are pleased to announce the appointment of Mr. Cheng Tai Man as General Manager with effect from (ddmmyy). Mr. Cheng will oversee our sales and marketing functions in China. He will work closely with senior management to formulate sales and marketing plans to strengthen our business performance in the afore-said region. He has more than 15 years' sales and marketing experience in sizeable companies, and held senior management position in ABC Co.,Ltd., XYZ Ltd. and MMY Ltd.
We are confident that Mr. Cheng who possesses professional knowledge and sound experience will move our company's business in China a great step forward . Please extend your utmost support to him.

HR Department
(Signature)
(Title)