On September 6, 2018, NantHealth, Inc. appointed Bob Petrou as its interim Chief Financial Officer, effective as of September 12, 2018. In addition, Mr. Petrou will serve as its interim Principal Financial Officer. Mr. Petrou, age 46, previously held various roles with Blackberry Limited, a telecommunications company, including Head of Finance - Mobility Solutions from 2016 to 2017, Head of Finance - HandHeld Devices and Emerging Solutions from 2014 to 2016, Sr. Director Finance, Manufacturing and Supply Chain from 2011 to 2014, Director Finance Outsourced MFG Ops from 2007 to 2011, and Plant Accountant from 2001 to 2007.

Prior to Blackberry, Mr. Petrou served as Plant Accountant at Cooper Standard, an automotive component supply company, from 1999 to 2001. From 1997 to 1999, Mr. Petrou served as a Cost Accountant at Standard Products Co, an automotive component supply company.