Hai began his professional career as a specialist in the Tax Authority’s Large Enterprises Division in Jerusalem.
For the past seven years, Chai has managed the Israeli–International Tax Department at a leading Israeli–American accounting firm.
He holds a Master of Business Administration (MBA) with a specialization in finance, and a Bachelor’s degree in Accounting and Economics, both from the Hebrew University of Jerusalem.
He also completed an advanced course in international taxation offered by the Israel Tax Authority.
In addition to his professional work, Chai lectures at an academic institution in Jerusalem, where he teaches courses in taxation, accounting, and auditing.