Mark Witterholt

PHT International, Inc.

PHT International is a Contract Development and Manufacturing Organization (CDMO) and Contract Research Organization (CRO) providing innovative solutions for worldwide pharmaceutical companies. Founded in 1993, PHT builds partnerships with leading brands through a commitment to integrity, solving problems and lasting relationships. Our operations has been frequently inspected by the FDA and customer. PHT has established an excellent safety, quality, and compliance track record in the global life sciences industry. PHT strives to be one of the leading CDMO companies within the next 5 years.