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Meet the Experts

Meet the Experts

The following professionals are dedicated to providing you with unmatched technical services to support your cleaning and microbial control objectives. We are committed to helping you.

 

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Dijana Hadziselimovic
Dijana is a Technical Services Lab Specialist. She currently conducts laboratory evaluations to recommend cleaning procedures for Customers (PACE evaluation). Dijana has a B.A. in Chemistry. Dijana has over 15 years of laboratory experience in testing and methods development. 

Susan Heil
Susan is the Technical Services Administrator and is responsible for the management of confidential disclosure agreements and technical literature. She coordinates seminars, training programs and provides support for consumable products and markets. Susan has over 20 years of professional office experience and a B.S. in Family Economics and Management. 

Seth R. Hill
Seth is a Customer Applications Specialist. He supports our Customers in the area of storage and delivery systems for STERIS formulated chemistries. This includes designing and installing delivery systems and matching application devices to meet Customer’s specific needs. Seth has over 10 years experience in application, storage and delivery of formulated chemistries. 

Beth Kroeger
Beth is a Technical Service Manager. She specializes in cleaning chemistries, processes and validation. Beth’s background includes over 18 years experience in finished pharmaceutical and upstream and downstream biotech manufacturing. Beth has a B.S. in Biochemistry. 

Paul Lopolito
Paul is a Senior Technical Service Manager. He specializes in process and critical environment cleaning. Paul's background includes product development, manufacturing and validation within cGMP/ISO regulated facilities, particularly in the biopharm and biomedical device industry. He has a B.A. in Biological Sciences. 

Brook Meadows
Brook is a Senior Technical Services Associate who is responsible for development of analytical methods for the PRC and CE products and for additional data development. Brook has a B.S. in Chemistry. 

Aaron Mertens
Aaron is a Technical Service Manager. He specializes in sterilization processes, sterility assurance, cleaning and disinfection, and microbial control in cleanrooms. Aaron has over 15 years experience in the pharmaceutical industry as a microbiologist with responsibilities covering aseptic processing, sterilization processes, conducting audits and equipment commissioning. Aaron holds a B.S. in Genetics. 

Joe McCall
Joe is a Technical Service Manager. He specializes in microbial control, environmental monitoring, excursion investigation and cleanroom issues. Joe has over 20 years of experience in the pharmaceutical industry specializing in aseptic processing, cleanroom qualification, environmental monitoring and risk management. Joe holds a BS in Biology, is certified by the American Society for Microbiology as a Specialist in Pharmaceutical and Medical Device Microbiology, and is an ASQ certified Green Belt. 

Jim Polarine
Jim is a Senior Technical Service Manager. He specializes in cleaning, disinfection, microbial control, excursion investigations and cleanroom issues. Jim has extensive experience in microbial control in cleanrooms and currently serves on the PDA task force on Microbial Deviations. He has a B.S. and a M.A. in Biology. 

Elizabeth Rivera
Elizabeth is a Technical Service Manager. She specializes in cleaning chemistries, processes and validation. Elizabeth's background includes both manufacturing and technology transfer within GMP regulated facilities, particularly in the bulk pharmaceutical industry. She has a B.S. and M.S. in Chemical Engineering. 

Richard Chai
Richard is a Technical Services Manager based in Singapore. He supports cleaning chemistries, disinfectants and sterility assurance products and their application and validation. Richard’s expertise and extensive experience include managing biopharmaceutical manufacturing, process and cleaning validation, aseptic processing and sterility assurance. Richard has a B.S. degree in Mechanical Engineering. 

Walid El Azab
Walid is a Technical Service Manager based in Brussels. He supports cleaning chemistries, disinfectants and sterility assurance products and their application and validation. Walid’s experience and expertise include managing biopharmaceutical manufacturing, process validation and quality and regulatory compliance as a Qualified Person (QP). Walid has a Master’s Degree in Industrial Pharmaceutical Sciences and is a certified Green Belt. 

Guy Houser
Guy is a Technical Service Associate. He currently conducts laboratory evaluations to recommend cleaning procedures for Customers (PACE evaluation). Guy recently graduated from the University of Missouri- Columbia with a B.S. in Chemistry. 

Si Myra Tyson
Si Myra is a Technical Service Associate. She currently conducts laboratory evaluations to recommend cleaning procedures for customers (PACE evaluation). Si Myra has a B.S. in Chemistry and a M.S. in Environmental Management. Si Myra has over 5 years of laboratory experience working in quality control. 

George Verghese
George is a Senior Director, Technical Service and manages the Technical Services Group. George has extensive experience in cleaning process scale-up, application engineering and cleaning validation. He has a B.S. and a M.S. in Chemical Engineering. 

 

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