10 MKS Instruments engineering leaders
Sr. Director of Engineering, Director of Engineering, Software and Control Systems and Director NPI Engineering are among the roles held by these ten MKS Instruments engineering leaders, some of whom have since moved on. A reader can learn how engineering leaders work at MKS Instruments from people who have held the role.
Professionals to explore
Eric Hill
LinkedInExperience: Sr. Director of Engineering, Direct Pressure Measurement · MKS Inc.
Eric Hill has been Sr. Director of Engineering, Direct Pressure Measurement at MKS Inc. since January 2026, based in Andover, Massachusetts, and was Director Of Engineering, Valve & Integrated Process Solutions there from 2018 to 2026. Eric Hill was Director, Epi Chamber Engineering at ASM from 2017 to 2018 and held epi chamber engineering manager roles there.
Helen Li
LinkedInExperience: Director of Engineering, Laser & Optics · ESI an MKS Brand
Helen Li has been Director of Engineering, Laser & Optics at ESI an MKS Brand since April 2021, based in Portland, Oregon, and was Sr. Laser & Optics Engineering Manager there from 2019 to 2021. Helen Li held laser and optics engineering manager and engineer roles at ESI an MKS Brand from 2005 to 2019.
Mark Tamer Alev
LinkedInExperience: Director of Engineering · MKS Inc.
Mark Tamer Alev has been Director of Engineering at MKS Inc. since September 2024, with the role located in Richmond, British Columbia, and leads a 30+ person multidisciplinary organization, per the profile. Mark Tamer Alev was Chief Operating Officer at EnWave Corporation from 2022 to 2024 and Vice President of Manufacturing there from 2020 to 2022.
Michael L'Bassi
LinkedInExperience: Director of Engineering · MKS Inc.
Michael L'Bassi was Director of Engineering at MKS Inc. from October 2015 to March 2022 and has been a Fellow at MKS Instruments since April 2021, based in Andover, Massachusetts. Michael L'Bassi was Sr Engineering Manager at MKS Inc. from 2010 to 2015, Engineering Manager there from 2002 to 2010 and Sr Mechanical Engineer from 2000 to 2002.
Mike Pilcher
LinkedInExperience: Director NPI Engineering · MKS Inc.
Mike Pilcher has been Director NPI Engineering at MKS Inc. since July 2022, based in Rochester, New York, and was Senior Engineering Manager there from 2020 to 2022 and Engineering Manager from 2016 to 2020. The profile describes a career focused on high frequency electronics for radio communication and radar systems.
Mike Tyler
LinkedInExperience: Sr. Director of Engineering · MKS Inc.
Mike Tyler has been Sr. Director of Engineering at MKS Inc. since February 2019, based in Beaverton, Oregon, and was Director of Software Engineering at ESI an MKS Brand from 2017 to 2019 and Director of Engineering there from 2014 to 2017. The profile cites product development experience specializing in the design and delivery of software and hardware platforms.
Peter Paul
LinkedInExperience: Director of Engineering, Software and Control Systems · MKS Inc.
Peter Paul has been Director of Engineering, Software and Control Systems at MKS Inc. since September 2021, with the role located in Rochester, New York, and held senior engineering manager and engineering manager roles in software and control systems there from 2017 to 2022. Peter Paul was a principal scientist and R&D manager at Conduent and PARC.
Steven Knowles
LinkedInExperience: Director of Engineering · MKS Inc.
Steven Knowles has been Director of Engineering at MKS Inc. since March 2025, based in Greater Boston, and the profile headline places the role in Plasma & Reactive Gas. Steven Knowles was Director of Technical Program Management at Scully Signal Company from 2020 to 2022 and held program manager roles at Brooks Automation from 2016 to 2020.
William Johnson
LinkedInExperience: Director, Engineering, Pressure and Vacuum Measurement · MKS Inc.
William Johnson has been Director, Engineering, Pressure and Vacuum Measurement at MKS Inc. since September 2017, with the role located in Andover, Massachusetts. William Johnson also lists Senior Engineering Manager, Pressure & Vacuum Measurement Solutions at MKS Inc. as a current role from the same date.
William Tulloch
LinkedInExperience: Director of Engineering · MKS Inc.
William Tulloch has been Director of Engineering at MKS Inc. since September 2023, based in Pacifica, California, and the profile headline places the role in the Spectra-Physics Laser Division. William Tulloch held Director of Engineering roles at Coherent Corp. from 2011 to 2023 and was Ultrafast Oscillators Group Program Manager there from 2003 to 2011.
Choose the right perspective
Match the person's product line, such as lasers, pressure and vacuum measurement, or software and control systems, to the decision you face. Pick someone whose engineering area, such as new product introduction or platform design, is closest to your question.
Questions to take into the conversation
- 01What did you change first when you took on your engineering leadership role, and why?
- 02How do you split hardware and software work when building an instrument platform?
- 03What has your own work taught you about moving a new product from design into manufacturing?
Reaching MKS Instruments engineering leaders
How can I contact one of these MKS Instruments 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 2 companies: MKS Inc. and ESI an MKS Brand, based on profile data retrieved on October 23, 2026. Being listed here doesn't mean someone has agreed to take calls.
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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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