AIChE 2021 Spring Meeting and 17th GCPS | Process Improvement Institute By Mark Johnson|2021-04-17T16:59:38-07:00April 17th, 2021|0 Comments Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail About the Author: Mark Johnson Mark Johnson is the IT Manager and Webmaster for Process Improvement Institute.