Dr. Olayemi Osiyemi, President

Dr. Osiyemi is the Founder, CEO, and President of Triple O Medical Services and Triple O Research Institute, PA. Born in Nigeria, he has lived in the U.S. since December 1981.

Dr. Osiyemi is very active in various community programs, especially ones that address health disparity in minority populations. He has also held other leadership positions over the years with T Leroy Jefferson Medical Society, including president (2004 to 2006) and treasurer (2002 to 2004).

Dr. Osiyemi currently serves as the Section Chief of Infectious Disease, and Chairman of Infection Control and PNT at St. Mary’s Medical Center and Kindred Hospital.  He also serves as a member of the Medical Executive Committee (MEC) at Kindred Hospital.


Dr. Tiffany McCalla, First Vice President

tiffanyDr. Tiffany N. McCalla is a board-certified Emergency Medicine Physician at Good Samaritan Hospital.

She provides care for adult and pediatric patients with acute illnesses or injuries that require immediate medical attention. In addition, she is an advocate of health care in the community and was one of the founding members of a New York sexual assault response team providing companionate and focused care to survivors of sexual assault which led to an increase in local rape convictions. She has traveled domestically and internationally providing medical care to adults and children with limited access to care. Dr. McCalla also serves as TLJMS Membership Committee Co-Chair.


Dr. Deborah Loney, Second Vice President

loneyDr. Deborah Loney is a Certified Diplomate of the American Board of Otolaryngology.

She is a native New Yorker, with more than five years of Ear, Nose, and Throat private practice. She has presented research findings at several National Physician Meetings and has published in medical journals, as well as written chapters for medical textbooks.

In addition to her duties as TLJMS Board Parliamentarian, Dr. Loney regularly participates in the annual TLJMS health fair.


Dr. Roger L. Duncan, III, Immediate Past-President

presidentA Board-Certified Anesthesiologist, Dr. Roger Duncan has been practicing in Palm Beach County for 16 years. Dr. Duncan has served on several area medical and philanthropic Boards including, the Palm Beach County Medical Society.

He has had a long history of serving citizens in his local community, particularly the medically neglected and socio-economically disadvantaged. Dr. Duncan currently serves TLJMS as board president, historian and community outreach chair.

Dr. Duncan: “Many have come before me and endured unbelievable hardship to afford me opportunities and I have a duty to help others behind me.”


Dr. Catherine Lowe, Cofounder & Member-at-large

cloweDr. Catherine Lowe is a board-certified Opthalmalogist in private practice in Palm Beach Gardens. Born and raised in Belle Glade, Dr. Lowe is one of the founding members of TLJMS, helping to re-establish the organization in the early 1990’s after the organization went quiescent.

She has been practicing medicine for more than 35 years. For many years, Dr. Lowe has taken an active role in health and medical issues on the state and local levels. She is a community service power house, frequently serving as a child advocate, mentoring young students, as well as encouraging and nurturing young, talented visual and performing artists throughout the county. Dr. Lowe believes that children are our future and we have to invest in them if we expect them to have a better way of life.


Dr. Colette Brown-Graham, Scholarship Committee Chair

cbrownDr. Colette Brown-Graham is board certified in obstetrics and gynecology and is a Diplomate of the National Board of Medical Examiners. In addition to her private practice, she is an advocate for women’s health issues and, in addition to TLJMS, is involved in several community organizations that strive to bring better care to all.

Dr. Brown-Graham served as TLJMS Board President from 2012 to 2014 and has taken a lead role in many TLJMS events and programs. She is currently the Scholarship Committee Chair and also heads up the Healthy Living for Success Program.


Dr. Monica Walker, Chaplain

walkerDr. Monica Walker is a board-certified physician specializing in Family Medicine who is currently in private practice in Riviera Beach.

She has been a very active member of TLJMS and most recently oversaw the production of our 2015 Patient Education Booklet. Dr. Walker also provides support with the Healthy Living for Success Program and is leading the development of a pilot TLJMS HIV program.



Pablo Fernando del Real Salazar, Administrative Coordinator

Pablo joined TLJMS in August 2016. He is a nonprofit professional with experience at all levels of nonprofit organizations and companies large and small. Pablo served as Web Manager with Food For The Poor, one of the largest international relief agencies in the world. He is also the founder of Auroras Voice, a Delray Beach nonprofit organization active in social justice issues. Pablo has a M.A. in Teaching from University of San Diego, and a B.A. in Communications from Rutgers College.