MKS Instruments' (NASDAQ:MKSI) Q4 2021 Earnings Conference Call January 27, 2022 8:30 AM ET Company Participants David Ryzhik - Vice President-Investor Relations John Lee - President and Chief Executive Officer Seth Bagshaw - Senior Vice President and Chief Financial Office Conference Call Participants Steven Cohen - Cowen & Company Tom Diffely - D.A. Davidson Patrick Ho - Stifel Jeff Rand - Deutsche Bank Paretosh Misra - Berenberg Joe Quatrochi - Wells Fargo Mark Miller - The Benchmark Company Operator Lad ...