MKS Instruments, Inc. announced that James A. Schreiner joined the Company as Senior Vice President and Chief Operating Officer on September 16, 2019. Mr. Schreiner succeeds Dr. John T.C. Lee as COO and will report to Dr. Lee, who is President of MKS and, as previously announced, will become Chief Executive Officer effective January 1, 2020. Mr. Schreiner joined the Company from Emerson Electric Co. At Emerson, Mr. Schreiner held various positions of increasing responsibility, most recently as Senior Vice President of Global Operations for the Measurement & Analytical Group of Automation Solutions, a position he held since July 2017.
MKS Instruments, Inc. is engaged in delivering technology solutions. The Company's segments include Vacuum Solutions Division (VSD), Photonics Solutions Division (PSD), and Materials Solutions Division (MSD). The VSD segment delivers technology solutions to edge semiconductor manufacturing, electronics and packaging and specialty industrial applications. VSD products are derived from its core competencies in pressure measurement and control, flow measurement and control, gas and vapor delivery, gas composition analysis, electronic control technology, reactive gas generation and delivery, power generation and delivery, and vacuum technology. The PSD segment provides a range of instruments, components, and subsystems to semiconductor manufacturing, electronics and packaging and specialty industrial applications. The MSD segment develops process and manufacturing technologies for advanced surface modification, electroless and electrolytic plating, and surface finishing.
MKS INSTRUMENTS, INC. 
