10 Gilead engineering leaders
Bill Nickson, Sr. Director of Engineering at Gilead Sciences, is one of ten Gilead engineering leaders listed here, alongside people who hold manufacturing engineering, facility engineering and manufacturing science and technology roles at the company. A reader can learn how engineering leaders work at Gilead from people who have held the role.
Professionals to explore
Bill Nickson
LinkedInExperience: Sr. Director of Engineering · Gilead Sciences
Bill Nickson has been Sr. Director of Engineering at Gilead Sciences since November 2022. Bill Nickson was Director of Engineering at Gilead Sciences from 2021 to 2022 and Associate Director Engineering there from 2018 to 2021, and was Sr. Manager, Process Engineering and Automation at Lonza from 2016 to 2018.
Catherine Kuo
LinkedInExperience: Director Of Manufacturing Engineering/PMO · Gilead Sciences
Catherine Kuo has been Director Of Manufacturing Engineering/PMO at Gilead Sciences since August 2019 and has held the title Senior Manager, Manufacturing Engineering at Gilead Sciences since March 2007. Catherine Kuo was Senior Engineer at B.Braun Medical Inc. from 2002 to 2007 and System Engineer at Boeing from 2000 to 2002.
Dante Romanini
LinkedInExperience: Sr Director Global MSAT · Gilead Sciences
Dante Romanini has been Sr Director Global MSAT at Gilead Sciences since March 2025 and was Director Technical Operations at Gilead Sciences from 2022 to 2025. Dante Romanini was Director Process Development at Gilead Sciences from 2020 to 2022, and the profile describes supporting all commercial biologics technology transfers at Gilead Sciences.
Ernest E. Lee
LinkedInExperience: Sr. Director - Head of API Manufacturing Science and Technology · Gilead Sciences
Ernest E. Lee has been Sr. Director - Head of API Manufacturing Science and Technology at Gilead Sciences since September 2023, in Edmonton, Alberta, and was Senior Director at Gilead Sciences from 2020 to 2023. Ernest E. Lee was Senior Research Scientist II at Gilead Sciences from 2017 to 2020 and Senior Research Scientist I there from 2015 to 2017.
John Saint
LinkedInExperience: Senior Director of Manufacturing Engineering · Gilead Sciences
John Saint has been Senior Director of Manufacturing Engineering at Gilead Sciences since April 2016, and the profile headline describes the Gilead Sciences role as Director of Manufacturing Engineering. John Saint was Director of Capital Projects at Amgen from 2003 to 2016.
Joseph Henley
LinkedInExperience: Director, MS&T (Upstream) · Gilead Sciences
Joseph Henley has been Director, MS&T (Upstream) at Gilead Sciences since June 2021 and was Director, Manufacturing (Process Engineering & Validation) at Gilead Sciences from February to June 2021. Joseph Henley was Director, Technical Operations at Immunomedics from 2020 to 2021 and Director, Bioreactor Production there from 2015 to 2020.
Lei Li
LinkedInExperience: Director, MSAT · Gilead Sciences
Lei Li has been Director, MSAT at Gilead Sciences since June 2025 and was Principal Scientist II at Gilead Sciences from January to June 2025. Lei Li was Sr. Research Scientist II at Gilead Sciences from 2021 to 2024, Sr. Research Scientist I there from 2018 to 2021 and Research Scientist II there from 2016 to 2018.
Lily Rasovsky
LinkedInExperience: Director, Facility Engineering · Gilead Sciences
Lily Rasovsky has been Director, Facility Engineering at Gilead Sciences since March 2019 and has also held the title Electrical Engineer at Gilead Sciences since June 2017. Lily Rasovsky was Principal at exp. from 2011 to 2017 and Associate Partner at Syska Hennessy Group from 2008 to 2011.
Mickey Yraceburn
LinkedInExperience: Director of Manufacturing Engineering · Gilead Sciences
Mickey Yraceburn was Director of Manufacturing Engineering at Gilead Sciences from 2021 to 2025, in Oceanside, California, and Director, Technical Operations and Technology Transfer at Gilead Sciences from 2017 to 2021. Mickey Yraceburn has been Sr. Director, Manufacturing Sciences and Technology at Avid Bioservices since July 2026.
Will O'Connor
LinkedInExperience: Senior Director, Engineering & EH&S · Gilead Sciences
Will O'Connor has been Senior Director, Engineering & EH&S at Gilead Sciences since November 2018 and was Director Of Engineering at Gilead Sciences in 2018. Will O'Connor was Associate Director, Manufacturing at Gilead Sciences from 2016 to 2018 and Senior Manager Packaging Operations there from 2015 to 2016.
Choose the right perspective
Pick the person whose own engineering area is closest to your question, since site engineering, manufacturing engineering, facilities and manufacturing science and technology each give a different view. Check the dates on each role to see how current the experience is.
Questions to take into the conversation
- 01What took most of your time in your current engineering role, and how did you decide what to handle yourself?
- 02How did you balance keeping existing equipment and processes running against new projects?
- 03What did you carry over from earlier roles that changed how you lead engineering teams?
Reaching Gilead engineering leaders
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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