CDISC Executive Team

Dave Evans, President and CEO

David Evans

President and CEO

Dave Evans is recognized industry-wide as a leading technology visionary for developing and implementing complex process and system solutions and as an expert in the areas of information standards, regulatory compliance and quality governance. He was the architect and developer of the first electronic drug submission to the FDA in 1985 and has been responsible for more than 100 electronic regulatory submissions and complex clinical data warehouse systems.

Dave brings over 35 years’ experience to CDISC, serving in various executive-level positions in software development, clinical research, regulatory and healthcare industries. Most recently, he was the Principal Director, Global Head of Quality Governance and Regulatory Compliance for Accenture Life Sciences. Prior to that, he was CIO of Octagon Research Solutions, which was acquired by Accenture.

Dave received his MS in Biomedical Engineering from Drexel University and his BS in Biology from Ursinus College.


Peter Van Reusel

Peter Van Reusel

Chief Standards Officer

Peter Van Reusel provides executive leadership to the development and implementation of clinical standards in line with CDISC’s strategy and operational plans, working closely with the President and CEO, as well as CDISC staff and stakeholders. He has over 20 years’ experience in senior roles in pharma and at CROs, providing standards expertise and carrying out other standards work in various organizational settings. A long-time, CDISC-authorized instructor, Peter has helped significantly in developing CDISC training courses.

He previously served as CDISC’s European Liaison, shepherding relationships with key European regulatory, academic, and biopharma stakeholders. Peter is also an active PHUSE working group leader.  


Rhonda Facile

Rhonda Facile, MS

Vice President, Development Opportunities

Rhonda Facile identifies and grows strategic relationships and alliances that support the global development, improvement and implementation of CDISC standards. She brings over 25 years of clinical development experience to CDISC and has worked at a global CRO, as well as pharmaceutical and biotechnology companies in the United States and abroad. Ms. Facile has worked at CDISC since 2006, previously leading staff and volunteers committed to the development, publication and implementation of therapeutic area standards to ensure all CDISC standards projects progress and comply with CDISC development processes and policies. She holds a BA degree from the University of Texas at Austin and an MS in Organization Leadership and Ethics from St. Edwards University.


Sam Hume, DSc.

Vice President, Data Science

Sam Hume leads the CDISC Data Science team, which collaborates with CDISC staff and stakeholders to develop tools and standards that support clinical and translational data science. Dr. Hume directs delivery of the CDISC Library, our standards metadata repository, co-leads the CDISC Data Exchange Standards team, and leads the CDISC Real World Data efforts. He has 25 years’ experience in clinical research informatics and has held a number of senior technology positions in the biopharmaceutical industry.

Dr. Hume holds a doctorate in Information Systems.


Sheila Leaman

Vice President, Membership, Events and Asian Initiatives

Sheila Leaman brings a unique background in Public Relations and Human Resources to her role at CDISC. She focuses on membership recruitment, seeking out new opportunities as well as ensuring membership retention, providing a high level of membership satisfaction. During her tenure, Ms. Leaman and her team have significantly increased CDISC membership worldwide. She also leads the smooth operations of CDISC events, such as our annual Interchanges, where hundreds of attendees gather to network, share their expertise, best practices, and lessons learned about implementing CDISC data standards to enable clinical research to "speak the same language."