J. Leonard Lichtenfeld, MD, MACP

Deputy Chief Medical Officer

J. Leonard Lichtenfeld, MD, MACP, was appointed as the interim Deputy Chief Medical Officer for the American Cancer Society (ACS) on November 3, 2018. In that role, he oversees the ACS epidemiological, behavioral, and statistical research activities; external research grants; medical affairs; and relevant constituent relationships.

Dr. Lichtenfeld joined the ACS in 2001 as a medical editor. In 2002, he assumed responsibility for managing the newly-created Cancer Control Science Department. In 2014, he assumed the role of Deputy Chief Medical Officer where he provided extensive support to a number of ACS activities.

He's a frequent spokesperson in the media on behalf of the American Cancer Society. Since 2005, he's written a widely-read blog (Dr. Len's Cancer Blog) focused on topics related to cancer. He's also been engaged in health care policy and numerous medical professional organizations on a local, state, and national level for most of his career. 

Dr. Lichtenfeld is a graduate of the University of Pennsylvania and Hahnemann Medical College (now Drexel University College of Medicine) in Philadelphia. He completed his postgraduate training in Philadelphia at Temple University Hospital, and in Baltimore at Johns Hopkins University School of Medicine and the National Cancer Institute.

He's a member of Alpha Omega Alpha, the national honor medical society. In recognition of his professional accomplishments, he's received several awards including designation as a Master of the American College of Physicians. 

Dr. Lichtenfeld currently resides with his wife in Atlanta, Georgia.