Additives & Impurities in Excipients

Wednesday, March 14, 2018 - 11:00am

This webinar took place on Wednesday, March 14, 2018 at 11:00 am to 1:00 pm.


Joseph Zeleznik

Technical Product Manager (TPM)

Joseph provides product and technology training for customers and IMCD staff, conducts on-site customer seminars, and advises with formulation development through excipient and process selection.  Mr. Zeleznik also works to develop prototype formulations demonstrating the benefits of the many IMCD products and technologies.  Prior to joining IMCD US, Mr. Zeleznik served as Manager, Technical and Regulatory Affairs at MEGGLE USA, Inc., where he was responsible for providing formulation and product application guidance as well as having quality and regulatory oversight for MEGGLE USA’s North American lactose manufacture.  Before working for MEGGLE USA, Mr. Zeleznik was Associate Director, R&D with JRS PHARMA and Research Manager with Penwest Pharmaceuticals Co.  Mr. Zeleznik has over 25 years’ experience in the pharmaceutical industry, having specialized in the development and application of high functionality excipients, and in particular, co-processing applications for the performance enhancement of excipients and pharmacologically active ingredients.  Mr. Zeleznik received his B.S. and M.A. degrees in Chemistry from the State University of New York, College at New Paltz with a focus on instrumental analysis.   
Mr. Zeleznik serves as a member of IPEC-Americas Executive Committee and has Chaired IPEC-Americas Quality by Design/Excipient Composition (QbD/EC) committee as well as assisted in the development of several IPEC Guides including the newly introduced Co-processed Excipients Guide. 
Mr. Zeleznik has authored or co-authored multiple articles published across various industry journals.  He was a contributing author to the Handbook of Pharmaceutical Excipients, 8th Ed. published in 2017 and participated in the development of the NF co-processed excipient monograph, Silicified Microcrystalline Cellulose. 
Mr. Zeleznik is an avid outdoorsman, enjoying camping, hiking, biking, and wildlife photography and has been active as a cub scout and boy scout leader with Boy Scouts of America for many years.

George Collins Jr.

VP and Mgr Minerals Division
Vanderbilt Chemicals LLC

BS from UCLA in BioChemistry
1980-1984 Colorado State University Veterinary Teaching Hospital- Equine Research Animal Attendant
1984-1989 RT Vanderbilt Co- R&D and International Sales
1989-present Vanderbilt Chemicals LLC- VP and Mgr Minerals Division
IPEA GMP Certified Auditor Training 2012
IPEC Americas member since 2011
Compendial Review Committee Vice Chair 2015 to present
IPEC USP General Notices Team 2016 to present

Cancellation Policy


Cancellations for live webinars must be made in writing and can be mailed or e-mailed to:

IPEC-Americas Webinars
3138 10th Street N
Arlington, VA 22201
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Registration fees are refundable for attendees registered for individual webinars, if cancellation is received at least five (5) business days prior to the course. Notices of cancellation received 0-4 business days prior to the course will not be provided a refund. If you registered and are unable to attend the webinar, a recording of the webinar will be provided.

No cancellations are available for webcasts (archived recorded webinars). Recordings are available for 21 days after purchase.

Please contact IPEC-Americas Training Coordinator
571-814-3449 or email