Ron Cohen is the CEO of Acorn AI, a subsidiary of Medidata Solutions, which focuses on using AI for clinical trial optimization, including biomarker-driven approaches.nder his leadership, Acorda has been involved in research and development efforts aimed at identifying biomarkers for neurological conditions like multiple sclerosis and Parkinson's disease. Ron Cohen's visionary approach has played a role in advancing the field of biomarkers, as his company's research contributes to the understanding and treatment of these complex diseases.