Company leader
Laizer Kornwasser
CEO
DrFirst
Laizer Kornwasser is the chief executive of DrFirst, an e-prescribing and medication management company in Rockville, Maryland. He spent most of his career in pharmacy benefits and health care services at Medco, Valeant, CareCentrix, and Teladoc Health, and he teaches at Yeshiva University.
Accounting at Yeshiva University
Kornwasser earned a bachelor's degree in accounting from Yeshiva University in 1992 and worked at Coopers & Lybrand before earning an MBA from Harvard Business School in 1996, he told The Commentator, Yeshiva's student newspaper, in 2015. He described setbacks early on, including a layoff at Walker Digital and a hiring freeze at Merrill Lynch. His father founded a real estate investment trust.
Growing With Medco
He worked in business development at Medco Health Solutions, the pharmacy benefit manager Merck spun off, and was there as Medco grew from about $6 billion to more than $30 billion in revenue, he told The Commentator. From 2013 to 2015 he was an executive vice president at Valeant Pharmaceuticals.
Teladoc Health and DrFirst
He later held senior roles at CareCentrix and was president of enterprise growth and emerging markets at Teladoc Health. He became CEO of DrFirst on July 21, 2025, with founder James Chen as executive chairman and G. Cameron Deemer as vice chairman, according to the company. Since then DrFirst has launched an AI prior authorization tool that filled in 63% of pharmacy benefit question sets without clinician edits in a pilot. He is a professor at Yeshiva University.