Dr. Dereck DeLeon has been a Family Physician with Kaiser Permanente in San Diego, California for the past 22 years and was the Program Director for the Kaiser Permanente Family Medicine Residency Program in San Diego as well as the Southern California Regional Chair for Diversity in Graduate Medical Education Committee. 

He was also the Co-Chair of the San Diego Graduate Medical Education Committee and the Chair of the San Diego, Innovation in Quality Education and Transformation Committee at Kaiser Permanente San Diego.

His leadership background also includes being on the Association of Family Medicine Residency Director Education and Program Director Development Committee as well past Chair of the Kaiser Permanente San Diego Continuing Medical Education Committee .He also has completed numerous Fellowships in Leadership, Faculty Development and Curriculum Design and Assessment.

Dr. DeLeon also maintains a busy clinical practice with Kaiser Permanente. He holds the appointment of Associate Clinical Professor in the Department of Family Medicine and Preventative Medicine at the University of California, San Diego. 

One of Dr DeLeon's passions is in developing community programs that seek to expose those from underrepresented backgrounds to the health care profession as well as to educate other healthcare providers around the issues of health inequities in our communities. Dr DeLeon help pioneer the Kaiser Permanente/ San Ysidro High School Summer Urban Fellowship which has helped provide the education/mentoring and role modeling for local high school, college and medical students from underrepresented groups ,who seek careers in medicine .

Dr. DeLeon has been an invited speaker at numerous venues and has presented numerous scholarly work at, the AAFP Annual Scientific Assembly , the AAFP Program Directors Workshop , the University of California San Diego School of Medicine , and the AAMC Minority Student Workshop among others.