The president and chief executive officer of Commonwealth Diagnostics International, Craig Strasnick also serves as the chief operating officer at Commonwealth Laboratories. Through these firms, he plays a leading role in guiding medical practices related to gastroenterology via collaborations with distinguished academics and industry experts. Craig Strasnick seeks out cutting-edge products and improved procedures in gastroenterology. Products offered by Commonwealth include mail-in breath tests to diagnose a variety of digestive disorders.

Craig Strasnick graduated from the Northeastern University Management and Entrepreneurship program with a BS in business administration. While completing his degree, he began working for Willow Laboratories as an account executive. After graduation, he received promotion to director of marketing. He worked for Willow Laboratories until founding Commonwealth Laboratories in 2011.

In his leisure time, Craig Strasnick enjoys playing golf, attending concerts, and traveling. A trip to Israel in 2008 became an opportunity for spiritual awakening, as he learned about the history of Israel and visited sites such as the Sea of Galilee and Mt. Masada.