David Hadden

Pro-ficiency LLC develops remote site training, compliance, and communication tools for clinical research. The company is based in Raleigh, NC and has subsidiaries in the United States. The company was founded by David D. Hadden and JoAnne Schaberick. Michael E. Raymer has been the CEO of the company since 2021.

Part of Simulations Plus, Inc., Pro-ficiency Holdings, Inc. is a company that provides simulation-enabled performance and intelligence solutions for clinical and commercial drug development. The company is based in Raleigh, NC. The company was founded in 2021. The CEO is Michael E. Raymer. Pro-ficiency Holdings was acquired by Simulations Plus, Inc. on June 12, 2024 for $100 million.

Part of Advanced Biological Laboratories SA, TherapyEdge, Inc. provides a database for HIV patient's clinical records. The company is based in Durham, NC. TherapyEdge was acquired by Advanced Biological Laboratories SA on February 14, 2005.

THSM, Inc. engages in the provision of healthcare services. It provides advanced technology-based solutions for impacting clinician behaviour. The company was founded by David D. Hadden in 2002 and is headquartered in Durham, NC.