Bonnie Hansen

Bonnie Hansen


Certified Public Accountant


B.S. Business Administration – Accounting, California State University, Fresno, 2011.


Employed by Ratzlaff Tamberi & Wong since December 2018. Prior to this, employed by the San Jose office of PricewaterhouseCoopers as tax manager from 2017-2018, tax senior from 2015-2016, tax associate from 2012-2014, and employed by Janzen, Tamberi & Wong as staff accountant from 2011-2012, and accounting intern from 2010-2011.


Experience includes individual tax return preparation, and calculating and documenting federal and state research tax credits for clients representing various industries including software/technology, manufacturing, semiconductor and utility.


Member of the American Institute of Certified Public Accountants and California Society of Certified Public Accountants.