10 Illumina engineering leaders
Kenny Black, Senior Director of Engineering at Illumina, is one of ten Illumina engineering leaders listed here, alongside people who hold senior director and director roles in systems, software, instrument and DevOps engineering at the company. A reader can learn how engineering leaders work at Illumina from people who have held the role.
Professionals to explore
Chad Weimer
LinkedInExperience: Director, Instrument Software · Illumina
Chad Weimer has been Director, Instrument Software at Illumina since November 2025. Chad Weimer was Principal Software Engineer 1 at Illumina from 2020 to 2025, a Senior Staff Software Engineer there from 2011 to 2020 and a Software Engineer at Aerotech, Inc. from 2006 to 2011, and is based in San Diego, California.
Elizabeth Loughran
LinkedInExperience: Sr. Director Systems Engineering · Illumina
Elizabeth Loughran has been Sr. Director Systems Engineering at Illumina since November 2023 and was Director Systems Engineering there from 2020 to 2023. Elizabeth Loughran was Technical Director, Systems Engineering at BD in 2019 and Associate Director, Systems Engineering at Becton Dickinson from 2017 to 2019, and is based in San Diego, California.
Garrett Liddle
LinkedInExperience: Director of Engineering · Illumina
Garrett Liddle has been Director of Engineering at Illumina since August 2025 and was Associate Director Engineering there from 2022 to 2025. Garrett Liddle was Sr. Manager, Engineering at Illumina from 2020 to 2022, a Staff Project Manager there from 2016 to 2020 and Sr. Manager, Manufacturing and QC at Genoptix, Inc. from 2015 to 2016.
Keng Hiong Tan
LinkedInExperience: Senior Director Of Engineering · Illumina
Keng Hiong Tan has been Senior Director Of Engineering at Illumina since April 2022, based in Singapore, and was Director Of Engineering there from 2018 to 2022. Keng Hiong Tan was Associate Director Engineering at Illumina from 2015 to 2017 and Senior Manager Engineering there from 2014 to 2015, and describes managerial experience in consumables engineering, ink plant operations and inkjet wafer fabrication.
Kenny Black
LinkedInExperience: Senior Director of Engineering · Illumina
Kenny Black has been Senior Director of Engineering at Illumina since July 2025 and also held the title Director Of Engineering at Illumina from 2021 to 2025. Kenny Black was Associate Director of Engineering at Illumina from 2019 to 2022, a Senior Engineering Manager there from 2018 to 2019 and a Process Engineering Manager at Intel from 2010 to 2018.
Mark Hahm
LinkedInExperience: Senior Director, Engineering · Illumina
Mark Hahm has been Senior Director, Engineering at Illumina since November 2024, describing leadership of the Accelerated & Advanced Informatics group, including the primary/image analysis team and the DRAGEN FPGA team. Mark Hahm was Director, Engineering at Illumina from 2023 to 2024 and Senior Director Hardware Engineering at Edico Genome (acquired by Illumina in May 2018) from 2014 to 2018.
Michael Romine
LinkedInExperience: Sr Director, Engineering · Illumina
Michael Romine has been Sr Director, Engineering at Illumina since June 2012, based in San Diego, California, and describes forming high-performing mechanical and mechatronic engineering teams in the role. Michael Romine was Vice President, Printer Systems at Memjet Technology from 2007 to 2012, a Program Manager at Eastman Kodak Company from 2003 to 2007 and a Team Lead Mechanical Systems Engineer at Phogenix Imaging from 2001 to 2003.
Peter Jia
LinkedInExperience: Director Instrument Systems Platform Engineering Technical Operations · Illumina
Peter Jia has been Director Instrument Systems Platform Engineering Technical Operations at Illumina since February 2026, based in Foster City. Peter Jia was Director, System NPI Engineering at NVIDIA from 2021 to 2024, Director, Server Customer Engineering at NVIDIA from 2017 to 2021 and Sr. Director of Engineering at Intel from 2015 to 2017.
Ravi Bilwa
LinkedInExperience: Sr. Director Software Engineering · Illumina
Ravi Bilwa has been Sr. Director Software Engineering at Illumina since October 2023, with a headline of Healthcare Software Leader. Ravi Bilwa was Sr. Director, SW Engineering at BD from 2020 to 2023, Director, SW Engineering at Roche from 2018 to 2020 and Director, Systems Engineering at Varian from 2011 to 2018.
Sujeesh Thovarayi
LinkedInExperience: Director DevOps Engineering · Illumina
Sujeesh Thovarayi has been Director DevOps Engineering at Illumina since June 2026, based in Singapore, and was Associate Director, DevOps Engineering at Illumina Singapore from 2022 to 2026. Sujeesh Thovarayi was Sr. Manager DevOps Engineering at Illumina from 2017 to 2022 and an IT Specialist (CloudOps) at TD from 2013 to 2017.
Choose the right perspective
Pick the person whose engineering area is closest to your question, since instrument hardware and systems, informatics and FPGA work, instrument software, DevOps and manufacturing engineering involve different work. Check the dates on each role to see how current the experience is.
Questions to take into the conversation
- 01What did you change first when you took on your current engineering role, and what did it teach you?
- 02How do you balance new product development against support for instruments already in the field?
- 03What have you learned from your own work about moving a design from development into manufacturing?
Reaching Illumina engineering leaders
How can I contact one of these Illumina engineering leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Illumina, based on profile data retrieved on October 19, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Illumina engineering leaders?
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Can an AI agent ask one of these Illumina engineering leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
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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