Dr. Stokes worked 11 years as a Medical Technologist in hospital, research, and central medical laboratories. Then 16 years at Digital Equipment Corporatin (DEC) first in the Large Computer Group, second in the Laboratory Data Products Group, and finally at DEC in Basel, Switzerland doing Computer Validation consulting across Europe. Since 1996 she has had her own computer validation consultancy GXP International. Author of 3 books and many articles. Active membership In DIA since 1982.