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Our Team

All of our team members have considerable experience supporting the pharmaceutical industry, with over 100 years of combined experience.  Further each member of the Summit Biostats team brings their own individual talents, skills, and expertise to Summit to create a team that is not only very experienced but also broadly based with expertise across a wide variety of types of trials and therapeutic areas.

  • All biostatistics team members has a master’s or PhD in biostatistics 

  • All members have global CRO experience

  • Our team members have experience in all aspects of clinical trials


Each team member stands ready to apply their talents to help you successfully complete your project.


Eunice has over 18 years of experience in the clinical trial industry working in CROs as well as AROs. Eunice has experience in all phases of clinical development, with a significant amount of experience in the analysis of clinical trial data for Phase I, Phase II and Phase III trials. Her experience includes protocol development, study design, sample size determination, generation of randomization schedules, authoring statistical analysis plans and directing the biostatistical activities of large multi-protocol programs.  She has also co-authored over 30 publications in peer-reviewed medical journals. Eunice’s background spans large CRO, mid-size CRO, and ARO, with experience across multiple therapeutic areas including Cardiovascular Diseases, Neurology, Endocrinology, CNS, Psychiatry, Dermatology, Infectious Disease and Oncology.


  Eunice Yim, Co-founder, Managing Director 

John Schollenberger, Co-founder, Executive Director of Biostatistics

 John is a PhD statistician with more than 30 years of industry experience, including the last 20 years in the pharmaceutical/CRO industry.  He has demonstrated expertise in the design and analysis of Phase I-IV clinical trials as well as experience with pre-clinical studies and non-clinical projects. His clinical experience includes trials in several therapeutic areas: for example, gastro-intestinal, metabolism, neuroscience, and oncology.  Previously, he was a successful director in a large CRO—involved in staff development, technical consultations and reviews, resource allocation, proposal support, and coordination of client relationships

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