Paula K. Shireman, MD, MS

​CTX Scientific Advisor​

​​CTSA Co-Principal Investigator


Dr. Shireman is the Co-Principal Investigator of the Institutional Clinical Translational Science Award (CTSA) responsible for strategic partnership with CTSA-affiliated institutions, biostatistics, study design and biomedical informatics cores, and evaluation of all CTSA programs. Dr. Shireman has been active in the development of CTX central operations.  

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ctx central operations LEADERSHIP TEAM

Patricia A. Winger​

Founder & President

Collaborative Clinical Research Solutions, Inc.


Patty Winger is the Founder and President of Collaborative Clinical Research Solutions, Inc. (d/b/a CCRS Consultants). With over 25 years of experience in clinical research operations and network management, Patty has successfully led numerous academic, industry and healthcare systems as they navigate the complexities of multi-institutional research collaborations and streamlining operational processes.

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Amber Froehlich, MS, CCRP

​CTX Program Manager

​Collaborative Clinical Research Solutions, Inc.


Amber’s leadership roles and breadth of research network operations and knowledge from protocol development to publication make her a tremendous asset to CCRS Consultants and CTX.  As the CTX Program Manager, Amber oversees a team of regulatory affairs, business development, contracts, budgeting and finance experts dedicated to the CTX initiative.​
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Carla Kantara, PhD

Assoc. Vice President for Business Development

Collaborative Clinical Research Solutions, Inc.


Dr. Kantara is the Associate Vice President of Business Development at Collaborative Clinical Research Solutions, Inc. With over a decade of experience in the fields of drug development, health innovations, and business development, Dr. Kantara is responsible for developing and creating strategic partnerships and alliances with academic, pharmaceutical, industry and healthcare partners to promote multi-site clinical trial operations and streamline network efficiencies. 
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