Dean Ripple joined NIST as a post-doctorate in 1991. After a successful career at NIST supporting improved methods and standards in thermometry, in 2010 they became Leader of the Bioprocess Measurements Group, which develops standards and sensing technologies in support of biotherapeutic manufacturing and health care. Dean has presented workshops on measurement issues to many industrial groups, ranging from petroleum producers to vaccination program coordinators. They have authored over 80 scientific papers and documentary standards on a variety of metrology topics. Dean is an active member of a USP Expert Panel and the ASTM committee on the Manufacture of Pharmaceutical Products.
His present research focuses on the development of new standards and measurement methods for particles in biopharmaceuticals. Active projects include: