Our Team

SPHERE is comprised of a multidisciplinary team of 35+ professionals spanning project managers, research assistants, database developers, data managers, software engineers, quality assurance specialists, statisticians, and IT experts — united by a shared commitment to research excellence.

Meet The SPHERE Team

Alice Dang
Research Data Management Specialist
Carrie Adams
Business Analyst
Charles Keown-Stoneman
Senior Research Biostatistician and Biostatistics Team Lead
Cheryl Pritlove
Investigator and Clinical Research Specialist III
Christina Sathasivam
Research Compliance and Education Specialist
Christopher Allen
Clinical Research Specialist
Duminda N. Wijeysundera, MD PhD FRCPC FAHA
Head of Science
Ehsan Ghamarian
Statistical Analyst
Esmot Ara Begum
Research Database Specialist
Gurpreet Lakhanpal, MSc, CCRP, PMP
Director of Clinical Trials Operations
Haolin Ye
Research Data Analyst
Joanne Roberti
Administrative Assistant
Kathryn Hodwitz
Clinical Research Specialist
Keying Xu
Research Biostatistician
Kosma Wysocki, CISSP, CCSP, CISM
Director, Research Data Management & Digital Innovation
Mani Kang, MBA, MSc, PMP
Chief Operating Officer Research, VP Research Office, Head of Operations
Marc Denzel Nunez
Clinical Study Assistant
Maria Naydenova
Senior Research Database Specialist
Marzena Boczulak
Research Data Management Specialist
Melissa Giamou
Clinical Research Specialist
Melissa Tom
SAS Programmer / Research Data management Specialist
Mustafa Al-Jobori
Research Applications Support Specialist
Myriam Lafreniere-Roula
Research Biostatistician
Natalie Krasner
Research Data Management Specialist
Nicole Cooke
Clinical Research Specialist
Nilifa Desilva, MPH, CCRP
Manager- Research Quality, Patient Engagement and Registries (QPR)
Pamela De Verno
Senior Research Database Specialist
Priyanka Singh
Clinical Research Specialist
Rekha Thomas
Lead Clinical Trials Unit
Roger Mc Barnett
Software Engineer
Rohila Hashimi
Research Compliance and Education Specialist
Rosane Nisenbaum
Associate Scientist & Biostatistician
Roula Raptis
Clinical Research Specialist
Sahar Ehtesham
Clinical Research Specialist
Sorcha Mulligan
Clinical Research Specialist
Stephanie de Sequeira
Clinical Research Specialist
Stay connected as SPHERE continues to shape the future of clinical research.
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