Reddy has 35 years experience at PSRI and is a world-renowned expert in particle technology and fluid-particle systems such as fluidized beds, circulating fluidized beds, cyclones, diplegs, standpipes, risers, nonmechanical valves, pneumatic conveying, solids feeding and discharge systems. PSRI’s small-to-large-scale cold flow units were built…

Doug Dobben joined PSRI in June 2019 as Controller.  Prior to that he worked with a variety of small to mid-size companies in a financial leadership position.  The companies include the Chicago Climate Exchange, a one of the first carbon credit trading platforms; Anritsu, a…

Michael Arrington joined Particulate Solid Research Inc. in 1980 as a lab technician. PSRI was located on the campus of Manhattan College in Bronx New York. In 1990 Michael relocated with PSRI to Chicago Illinois. Michael became the chief lab technician and helped design, fabricate…

Allan Issangya is a Project Leader at PSRI. Allan joined PSRI as a research engineer in 1999 after completing his PhD and post-doctoral work in Chemical Engineering at the University of British Columbia under the supervision of the late Prof John Grace.  Allan has worked…

Yeook Arrington received her Doctoral Degree in environmental engineering in 2002 from Illinois Institute of Technology. Yeook joined Particulate Solid Research, Inc (PSRI) in late 2006 as a research engineer. In early years, she started working on particle characterization, jet cup attrition, and fluidization characteristics…

Francisco Sanchez joined PSRI in August 2022 after working first as a Postdoctoral Fellow and then as a Research Engineer for the Syncrude/NSERC Chair in Fluid Coking Technologies at Western University in the Institute for Chemicals and Fuels from Alterative Resources. For eight years, Francisco worked…

Lauren Endress joined PSRI in 2022 as a Development Engineer shortly after graduating from University of Illinois Urbana-Champaign with a master’s degree in Chemical and Biomolecular Engineering. In her first year at PSRI she has contributed to several projects in both contract and membership research.…

Christof Dee joined Particulate Solid Research, Inc. in late June of 2022 as a Development Engineer. At PSRI, Christof has performed experiments to characterize the performance of various circulating, fluidized bed systems. These experiments include fluidized bed hydrodynamic tests, solids flux calculations in risers, bubble…

Kristin Lai joined Particulate Solid Research, Inc. (PSRI) in Fall 2022 after receiving a BS in Bioengineering from the University of Illinois at Urbana-Champaign. Throughout her undergraduate career, Kristin was involved in research as well as an active member of the Society of Women Engineers…

Ellie Wong recently graduated from the Ohio State University with a BS in Chemical Engineering  and is currently a Development Engineer at PSRI. During her undergraduate career, Ellie was an active member of the Women in Engineering Learning Community, where she was a peer mentor…

Korecia joined the PSRI Accounting Department in January 2016 where she works directly with the Controller on daily financial duties. Prior to joining PSRI she worked with small to mid-size construction companies in the City of Chicago.  The companies included general contractors, HVAC companies, and…

Meet Matt, a skilled professional with a passion for technology and organization. Having joined PSRI in 2014, Matt serves as a Systems Administrator and Corporate Event Planner, making valuable contributions to the company's operations. As a Systems Administrator, Matt takes charge of PSRI's IT needs,…

Ryan Ellis is a highly skilled and accomplished Chief Technician with a wealth of experience in managing technical teams and overseeing crucial operations. Joining PSRI in 2004, Ryan has consistently demonstrated his expertise and dedication in his role. As Chief Technician, Ryan is responsible for…