Daw Mya Mya Than co-founded Proven Technology Industry Co. Ltd in 1996 together with her late husband, Mr. Ohn Lwin. She held the Executive Director of Finance position of the Company until 2016. Today, she continues to contribute her knowledge and experience to the Board, providing guidance on financial planning, transparency and corporate integrity.

Putting into practice their understanding of industrial technologies and manufacturing costing structure, they established the lead acid battery manufacturer, Lwin battery, prior to founding Proven Technology Industry Co. Ltd.