Diaz & Altschul Group LLC (D & A Group), is a merchant bank that provides investment banking and advisory services to the healthcare industry. The D & A Group, through its subsidiaries, Diaz & Altschul Advisors, LLC and Diaz & Altschul Capital, LLC, a member of the National Association of Securities Dealers, has provided investment banking services as well as Asset Management advice to its clients in the healthcare industry. Diaz & Altschul Advisors, LLC serves as the D & A Group's corporate investment arm and is the investment advisor to the Delta Funds, a group of private investment funds focused on healthcare and life sciences companies.

Diaz & Altschul Group LLC was founded in 1996 and is based in New York, New York.