Krieger is a notable scientist known for his contributions to the field of biochemistry. His research primarily focuses on understanding the molecular mechanisms that underlie various biological processes. Through his work, he has advanced knowledge in areas such as enzyme function and metabolic pathways. In addition to his research, Krieger has published numerous articles in scientific journals, sharing his findings with the broader scientific community. He is also involved in mentoring young scientists, helping to inspire the next generation of researchers in the life sciences.