February 5, 2015 – New Jersey-based JBK Associates International has recruited John Sullivan-Bolyai M.D. as chief medical officer of ContraVir Pharmaceutical, Inc. Most recently, Dr. Sullivan-Bolyai was executive director of infectious disease clinical research at Merck. ContraVir focuses on the development and commercialization of targeted antiviral therapies. JBK Associates International conducts executive level searches across multiple functional areas in a broad array of industries, including consumer, retail, luxury, life sciences, healthcare, legal, finance, financial services, not-for-profit and academia.