Nissan CohenA worldwide expert, with 40 years experience, in Total Organic Carbon (TOC), high purity, ultrapure, reclaim and recycle water systems, 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, The Journal of the Institute of Environmental Sciences and Technology.

Four times nominated and recipient of Pharmaceutical Engineering’s “Article of the Year” award given to a single article out of over 100 published articles for any given year.

Co-Chairman, Contributing author and Chapter Leader of ISPE “Baseline Guide for Pharmaceutical Water and Steam Systems”. Revisions 1, 2, and 3

Co-chairman and Coordinating Author of the ISPE “Approaches to Commissioning and Qualification of Pharmaceutical Water and Steam Systems” Good Practice Guide

Contributing author to the 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. Advanced studies in agricultural water systems.  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

Former Chairman of ISPE Committees: Membership Services, Publications, Pharmaceutical Engineering and Website.  Former Steering Committee member of COPs: HVAC and PAT

A sample list of Published papers and Presentations as either sole or joint author (not comprehensive):

“Performance and Validation of ozone Generation for Pharmaceutical Water Systems”, Pharmaceutical Engineering, July/August 2017 volume 37 number 4

“Myths and Realities: The Legacy of Obsolete SOPs and Specification in Modern Pharmaceutical Water Systems”, Ultrapure Water Pharmaceutical Conference, June 2015

Rapid Microbial Monitoring: Regulatory and Application Strategies for Pharmaceutical Water Systems, “ISPE Los Angeles Chapter Symposium”, May 2015

“Chemical and Media-Free Pretreatment for Biopharma RO – Electrolysis for Scale Precipitation UV Dechlorination”, Pharmaceutical Engineering, July/August 2014

“The Efficacy of Ozonated Water in Biofilm Control in USP Purified Water and Storage” Pharmaceutical Engineering, November/December 2013

“The Efficacy of Ozone and Chemical Sanitization for Microbial Control” Ultrapure Water Pharmaceutical Conference, June 2013

“Understanding Dissolved Ozone and Its Use in Pharmaceutical Water Systems”, Pharmaceutical Engineering, KB-0027 May 2013

“Online Rouge Monitoring: A Science-Based Technology to Measure Rouge Rates”, Pharmaceutical Engineering, November/December 2011

Economic and Efficacy Comparison between Ozone and Hot Water Sanitization”, ISPE Water Conference, June 2010

“How Smart is Your TOC Analyzer?” Pharmaceutical Engineering, January/February 2008

“Validation of a Water System for the 21st Century”, Presentation, International Society for Pharmaceutical Engineering (ISPE), October 2007