About Entegris
efficiency materials interfacial science microelectronics, specialty chemicals, advanced materials, microelectronics, life sciences, semiconductor manufacturing, gas purification, filtration, microcontamination, chemical manufacturing, advanced coatings, 3d nand, advanced lithography, euv lithography, clean chemical delivery, automotive reliability, bioprocessing, contamination control, fluid management, substrate handling
Entegris's Tech Stack
Cloud
Other
Analytics
Frontend
Decision Makers at Entegris
41 contactsRao Varanasi
Senior Director, Advanced Materials Development, CTO Office
Mark Puttock
Senior Director, Advanced Technology Engagements, Office of Chief Technology Officer
Pankaj Singh
Director, Substrates R&D
Qingyun Chen
Senior Manager, Advanced Technology Engagement/Office of CTO
Montray Leavy
Deputy Chief Technology Officer
Alex Maywright
Sr Engineering Manager
Rajshree Kothari
Sr. Engineering Manager, CMP
Shardul Kachare
NPD Engineering Manager
David Medeiros
Vice President, Engineering, Research & Development, and Labs, Advanced Purity Solutions
Nishank Vaderahalli
Engineering Manager
Cynthia Gosselin
Senior NPI Engineering Manager
John Hughes
Sr. Director OEM & Engineering Sales
Sean Donahue
Equipment & Design Engineering Manager
Virendra Warke
Senior Director of Engineering, Research & Development
Jared Moody
Director of Engineering
Kevin Dufour
Operations Engineering Manager
Thomas Phely-Bobin
Vice President - R&D, Product Engineering & Applications - Liquid Microcontamination Control
Hakim Bensaoula
Director, Deposition and Etch Solutions Fab Technologies Engineering
Alec Stull
Sr. Control Systems Engineering Manager at Entegris
Neelima Chandrayan
Applications Engineering Manager
Mark Stark
Global Director Applications Engineering and Product Development
Aakash Patel
Senior Site Engineering Manager
Craig North
Senior Director of Research, Development and Engineering
Paul Cramer
Divisional Controls Engineering Manager
Min-Chun Hsu
Senior Director, Global Fab Technologies Engineering
Alex Poles
Engineering Manager
Michelle Otten
NPI Engineering Manager
John Gaudreau
Product Development Engineering Manager
Kurt Christoffersen
Applications Engineering Manager
Matt Fuller
Senior Engineering Manager
Asad Jawed
Engineering Manager at Entegris
Siddarth Sampath
Application Engineering Manager
Chris Reddy
Director of Engineering
Jad Jaber
Senior Director, WEC Engineering, Research and Development
Mark O'Neill
Vice President - Engineering, Research, and Development @ Materials Solutions
Michael Johnson
Director Product Development Engineering
Yueyang Shen
Engineering Manager
Eileen Souliotis
Controls Engineering Manager
Huaping Wang
Sr. Engineering Manager
Aravind Pitty
Computational Modeler, Advanced Technology Engagements, Office of CTO
Erin Fria
Global Manager: Gas Microcontamination Field Application Engineering Group
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Entegris's Position in the StackWho Database
- • Entegris is 1 of 3,122 semiconductors companies tracked in StackWho.
- • 3,069 semiconductors companies in our database have verified decision-maker emails (98% of the cohort).
- • 10,409 companies in Massachusetts are in the StackWho database.
- • 19 semiconductors companies are in the 5001-10000 employee range (same size as Entegris).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated July 2026.
Frequently Asked Questions
What technology does Entegris use?
Entegris uses Amazon CloudFront, Route 53, Outlook, Microsoft Office 365, Amazon AWS, Atlassian Cloud, and 25 more technologies. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Entegris?
StackWho has verified email addresses for 41 decision makers at Entegris. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Entegris directly for sales, recruiting, or partnerships.
What industry is Entegris in?
Entegris operates in the semiconductors industry, headquartered in Billerica, Massachusetts, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.
Can I export Entegris's contact data?
Yes. StackWho Pro members can export decision maker contact data for Entegris and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Decision Makers
Rao Varanasi
Senior Director, Advanced Materials Development, CTO Office
Mark Puttock
Senior Director, Advanced Technology Engagements, Office of Chief Technology Officer
Pankaj Singh
Director, Substrates R&D
Qingyun Chen
Senior Manager, Advanced Technology Engagement/Office of CTO
Montray Leavy
Deputy Chief Technology Officer
Alex Maywright
Sr Engineering Manager
Rajshree Kothari
Sr. Engineering Manager, CMP
Shardul Kachare
NPD Engineering Manager
David Medeiros
Vice President, Engineering, Research & Development, and Labs, Advanced Purity Solutions
Nishank Vaderahalli
Engineering Manager
Cynthia Gosselin
Senior NPI Engineering Manager
John Hughes
Sr. Director OEM & Engineering Sales
Sean Donahue
Equipment & Design Engineering Manager
Virendra Warke
Senior Director of Engineering, Research & Development
Jared Moody
Director of Engineering
Kevin Dufour
Operations Engineering Manager
Thomas Phely-Bobin
Vice President - R&D, Product Engineering & Applications - Liquid Microcontamination Control
Hakim Bensaoula
Director, Deposition and Etch Solutions Fab Technologies Engineering
Alec Stull
Sr. Control Systems Engineering Manager at Entegris
Neelima Chandrayan
Applications Engineering Manager
Mark Stark
Global Director Applications Engineering and Product Development
Aakash Patel
Senior Site Engineering Manager
Craig North
Senior Director of Research, Development and Engineering
Paul Cramer
Divisional Controls Engineering Manager
Min-Chun Hsu
Senior Director, Global Fab Technologies Engineering
Alex Poles
Engineering Manager
Michelle Otten
NPI Engineering Manager
John Gaudreau
Product Development Engineering Manager
Kurt Christoffersen
Applications Engineering Manager
Matt Fuller
Senior Engineering Manager
Asad Jawed
Engineering Manager at Entegris
Siddarth Sampath
Application Engineering Manager
Chris Reddy
Director of Engineering
Jad Jaber
Senior Director, WEC Engineering, Research and Development
Mark O'Neill
Vice President - Engineering, Research, and Development @ Materials Solutions
Michael Johnson
Director Product Development Engineering
Yueyang Shen
Engineering Manager
Eileen Souliotis
Controls Engineering Manager
Huaping Wang
Sr. Engineering Manager
Aravind Pitty
Computational Modeler, Advanced Technology Engagements, Office of CTO
Erin Fria
Global Manager: Gas Microcontamination Field Application Engineering Group
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