Dr. Nissan Cohen A recognized worldwide expert, with over 40 years’ experience, in high purity, ultrapure, reclaim and recycle water systems, and Total Organic Carbon (TOC) with profound expertise in instrumentation, automation, and organic contamination oxidation systems using ozone, UV, ion exchange and catalysts. Accomplished writer of over 35 technical articles published in Ultrapure Water, A2C2, Pharmaceutical Technology, Pharmaceutical Engineering, Semiconductor International, and The Journal of the Institute of Environmental Sciences and Technology. Co-Chairman, Contributing author, and Chapter Leader of the International Society for Pharmaceutical Engineering’s (ISPE) “Baseline Guide for Pharmaceutical Water and Steam Systems”. Revisions 1, 2, and 3 Co-chairman and Coordinating Author of the International Society for Pharmaceutical Engineering’s (ISPE) Good Practice Guide - “Approaches to Commissioning and Qualification of Pharmaceutical Water and Steam Systems”. Contributing author to the International Society for Pharmaceutical Engineering’s (ISPE) Good Practice Guide on Ozone. Technical Editor of the Journal of the Institute of Environmental and Science Technology (IEST), Technical Reviewer of Pharmaceutical Engineering, Chairman of the Water and Steam Forum of ISPE, Founder/Chair of the Discussion Forums of ISPE, Former member of the Technical Advisory Board of A2C2 magazine. Education: University of Wisconsin and Ruppin Institute – in Agriculture and Genetics. Masters and Ph.D studies in agricultural water, Hebrew University, Agriculture Faculty. Developed and Patented an Automated Flushing System for Drip Irrigation. Developed, patented, and built the first Computerization of Drip Irrigation Systems with Remote Wireless Control and Operation. Member of International Standards Committees: ASTM E-55, IEST (WG 14644 Contamination Control – authors of ISO-14644), ASTM D-19.03, ISPE (International Society for Pharmaceutical Engineering) Steering Committee member for Communities of Practice Standards: Critical Utilities.