Sayaka engaged in accounting audit and advisory services, etc. at Aarata Audit Corporation (now PricewaterhouseCoopers Aarata LLC) from 2006, and subsequently handled the development and operation of internal controls and compliance in the administrative department of a foreign telecom company’s Japanese entity. After that she engaged in forensic services, among others, at PwC Advisory LLC.
Sayaka is a Certified Public Accountant.