Get to know our Team
Every time we recommend a statistical approach, we’re not just offering a solution, we’re standing behind it with our name and reputation.
Over the years, our team has worked with intention and integrity to ensure that trust and quality are not just promises, but the very foundation of who we are.
Meet the leadership team
Guowei Zhong
Founder & President
Guowei founded Evoclinical with the goal of building a client-centric CRO that remains competitive in the era of Artificial General Intelligence (AGI) and the open-source future of pharmaceuticals. Backed by over ten years of leadership in biostatistics, he has directed multidisciplinary teams through protocol development, regulatory submissions, and full-phase clinical trials across multiple therapeutic areas including oncology and immunology.
John Amrhein
Co-Founder & VP, Business Development
John Amrhein is a seasoned leader in clinical research and statistical services, bringing more than 17 years of leadership experience to his role as Co-Founder and VP, Business Development at EvoClinical. Known for his ability to build relationships and to bridge technical expertise with strategic vision, John has built a career on helping organizations turn complex data into clear, actionable insights.
Dr. Tibor Schuster Ph.D.
Chief Scientific Advisor
Dr. Tibor Schuster brings a wealth of expertise from his extensive academic and research background. He holds a Ph.D. in Biostatistics from Ludwig Maximilian University of Munich and is tenured Professor at McGill University, where he holds – since 2017 – a Canada Research Chair in Biostatistical Methods for Primary Health Care Research. Dr. Schuster has completed prestigious post-doctoral fellowships in pharmacoepidemiology and has authored over 300 publications in peer-reviewed journals.