Our team monitors cancer outcome disparities in Louisiana and works closely with our partners and executive board members to create the best solutions. Get to know the members of our winning team.
Operations Support
Our core team is responsible for executing the day-to-day functions that make our work possible.
Barkley Booker
Executive Management
Barkley Booker has been involved with TACL, Taking Aim at Cancer in Louisiana, since its inception and was instrumental in developing the framework that guides the organization’s work today. As a founding patient advocate, she helped shape TACL’s collaborative approach, ensuring that the patient perspective remains central to its mission of improving cancer outcomes across Louisiana.
At age 37, Barkley was diagnosed with Stage 3 colorectal cancer despite having no prior health concerns or family history. Following treatment, she committed herself to strengthening awareness and early detection efforts, particularly for colorectal cancer. She has served on the Colorectal Roundtable and chaired the Get Your Rear in Gear campaign for three years, supporting statewide education, outreach, and screening initiatives.
Barkley remains dedicated to advancing patient advocacy in Louisiana and is grateful for the opportunity to turn her personal experience into meaningful impact for others. She is the proud mother of two daughters.
Chancellor Donald, MD
Chief Medical Officer
Dr. Donald currently holds the position of Assistant Professor of Clinical Medicine at Tulane University. His academic focus is advocacy and health disparities regarding patients with hematologic disorders and malignancy. He previously cared for patients in a community practice at Lourdes Oncology Associates in Lafayette, Louisiana.
Dr. Donald attended Florida A&M University for undergraduate studies and the University of Miami School of Medicine for his medical degree. He completed his internship, residency, and fellowship at Tulane University. He was selected as Chief Resident and Chief Fellow during his training.
Dr. Donald is the immediate past president of the Louisiana Oncology Society. He has been appointed to the Board of Directors of the Community Oncology Alliance. The American Society of Hematology granted him selection for its Committee on Practice and Quality Measures Oversight Subcommittee. He also holds the position of the American Society of Hematology’s delegate to the American Medical Association’s House of Delegates. Additionally, he has served as Louisiana’s representative on the American Society of Clinical Oncology’s State Affiliate Council.
Since 2012, he has served as the Hematology Representative for Louisiana for the Medicare Carrier Advisory Committee (CAC). He functioned as co-chair of the 2017 and 2018 annual CAC meeting in Washington, D.C. Most recently, he was appointed to the American Board of Internal Medicine (ABIM) Hematology Examination Committee.
Dr. Donald has current board certifications in Internal Medicine, Hematology and Medical Oncology.
Executive Board Officers
Our executive board elects a team of officers that represents our partners and helps guide our work.
Vince Sedminik
Willis-Knighton Bossier Health Center
Board Chair
Vince Sedminik has over 25 years of experience in healthcare management, having served in various positions of leadership. He recently served as the Director of the WK Cancer Center, the leading provider of cancer services in Northern Louisiana and the only provider of proton therapy in the state of Louisiana.
Mr. Sedminik is a veteran of the United States Air Force, having retired from active duty in 2012 as a Chief Master Sergeant. Throughout his 28-year military career, he served in six different states and another six countries in various assignments, supporting combat and humanitarian missions.
