President Trump is scheduled to be in Philadelphia on Tuesday, September 15, 2020 at The National Constitution Center (NCC) in the Independence Mall area. Increased police presence is anticipated in Center City throughout Tuesday afternoon and evening. Please allow extra time if you are going to Wills Eye. Please be advised of area street closures to vehicles beginning at 1:00PM on Tuesday 9/15. Pedestrian access will also be limited in the area. This is subject to change and area restrictions, which could widen, will be lifted once the President departs the NCC. There are also demonstrations planned for Tuesday 9/15 around Independence Mall as well as City Avenue.

Ed Zhang – Lead Biostatistician

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Qiang (Ed) Zhang PhD
Lead Biostatistician

Director, Biostatistics Consulting Core
Vickie and Jack Farber Vision Research Center at Wills Eye
Wills Eye Hospital

Research Professor of Ophthalmology and Pharmacology and Experimental Therapeutics
Sidney Kimmel Medical College at Thomas Jefferson University


Dr. Zhang received his PhD in Biostatistics from the University of Texas at Houston School of Public Health and MD Anderson Cancer Center after his medical training in China.  In 2009, Dr. Zhang joined the NRG Oncology Group, one of four NCI-funded cooperative groups in the United States, as Team Leader and Senior Statistician for 15 large-scale, national Head and Neck cancer and sarcoma trials funded by NCI.

He has over 70 high impact publications including novel statistical methods for the design and analysis of clinical trials, biomarkers/prognostic factors in head and neck cancer and eye diseases, etc. His statistical research primarily focuses on the design, interim and final analysis of late phase clinical trials and analysis of correlated data in vision research.

Dr. Zhang has collaborated extensively with investigators across a broad range of clinical, basic science and biostatistical expertise at different universities nationally and internationally in the areas of survival analyses, longitudinal/correlated data. He has also collaborated with colleagues from NCI and other cooperative groups on developing and refining tools for clinical trial design and monitoring.

As Lead Biostatistician and Director of the Biostatistics Consulting Core, Dr. Zhang provides methodological, biostatistical consultation, collaboration, and support for research activities conducted at Wills Eye Hospital.