Peter Nzueni worked with a leading drug testing and clinical testing laboratory for 12 years. During that time, he was involved in the managing of millions of dollars in drug test...view morePeter Nzueni worked with a leading drug testing and clinical testing laboratory for 12 years. During that time, he was involved in the managing of millions of dollars in drug testing business. He also participated in the training of many drug testing professionals and interacted on a daily basis with laboratory scientists, toxicologists and other drug testing professionals He has gone on to start his own drug testing company and continues to be active in the drug testing field.view less