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Meet our Executives and Experts

J. LEONARD LICHTENFELD, M.D., M.A.C.P.

Dr. Lichtenfeld serves as Chief Medical Officer (Interim) for the American Cancer Society at its Global Headquarters in Atlanta.

Dr. Lichtenfeld joined the Society in 2001 as a medical editor, and in 2002 assumed responsibility for managing the newly-created Cancer Control Science Department, which included the prevention and early detection of cancer, emerging cancer science and trends, health equity, quality of life for cancer patients, the science of cancer communications, and the role of nutrition and physical activity in cancer prevention and cancer care.

In 2014, Dr. Lichtenfeld joined the Office of the Chief Medical Officer as Deputy Chief Medical Officer, where he provided extensive support to a number of Society colleagues and activities. He was appointed interim Chief Medical Officer in November, 2018. As a result of his over four decades of experience in cancer care, Dr. Lichtenfeld is frequently quoted in the print and electronic media regarding the Society’s positions on a number of important issues related to cancer. He has testified frequently in legislative and regulatory hearings, and participated on numerous panels regarding cancer care, research, advocacy and related topics. He has served on a number of advisory committees and boards for organizations that collaborate with the Society to reduce the burden of cancer nationally and worldwide. He is well known for his blog (Dr. Len's Cancer Blog) which first appeared in 2005 and which continues to address various topics related to cancer research and treatment.

A board certified medical oncologist and internist who was a practicing physician for over 19 years, Dr. Lichtenfeld has long been engaged in health care policy on a local, state, and national level. He is active in several state and national medical organizations and has a long-standing interest in professional legislative and regulatory issues related to health care including physician payment, medical care delivery systems, and health information technology.

Dr. Lichtenfeld is a graduate of the University of Pennsylvania and Hahnemann Medical College (now Drexel University College of Medicine) in Philadelphia. His postgraduate training was at Temple University Hospital in Philadelphia, Johns Hopkins University School of Medicine, and the National Cancer Institute in Baltimore. He is a member of Alpha Omega Alpha, the national honor medical society. Dr. Lichtenfeld has received several awards in recognition of his efforts on behalf of his colleagues and his professional activities. He has been designated a Master of the American College of Physicians in acknowledgement of his contributions to internal medicine.

Dr. Lichtenfeld is married, and resides in Atlanta, Georgia.


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Jun 20, 2019

A new report finds about one in three cancer survivors (34.6%) reported having chronic pain, representing nearly 5.4 million cancer survivors in the United States. The report, appearing as a...

Jun 14, 2019

University of North Carolina Men’s Basketball head coach Roy Williams has been awarded the 2019 Circle of Honor Award, a prestigious national honor within the Coaches vs. Cancer® program. The...

Jun 13, 2019

In a new collaboration, the American Cancer Society and Ovarian Cancer Research Alliance have joined forces to fund multidisciplinary research projects to explore new ways of detecting, treating,...

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