Aaron Tachibana joined Personalis as Chief Financial Officer in March 2019, with more than fifteen years of executive financial management experience at large, medium, and small cap public and private companies.

Prior to Personalis, Mr. Tachibana was Chief Financial Officer at Lumentum from August 2015 to September 2018.  Lumentum is a publicly listed optical and photonics company that was a spin out from JDSU.  From November 2013 to July 2015, he was Vice President of Finance, Corporate Controller for JDSU, a public company with $1.7 billion in annual revenues.  Prior to JDSU, Mr. Tachibana was Chief Financial Officer at Pericom Semiconductor from March 2010 to October 2013, a publicly listed semiconductor company that provided high-performance connectivity and timing solutions.  From 1992 to 2010, he held executive and senior management positions with Asyst Technologies, Inc., Allied Telesis, Inc., TapCast Inc. and TeraStor Corporation.

Mr. Tachibana holds a Bachelor of Science degree in Business Administration and Finance from San Jose State University, and is a graduate of General Electric’s Financial Management Program.