John Giacona

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1. [1]

   John Giacona, Ph.D. - Faculty Profile - UT Southwestern

   16 source claims · Reviewed Sep 7, 2026

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   Biographical context: Giacona is an Assistant Professor of Applied Clinical Research with a secondary appointment in Internal Medicine. He practices in the Clinical Heart and Vascular Center as part of the Division of Cardiology's Hypertension Section.

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Biographical context: His research examines nutrition, exercise, cardiometabolic risk, skeletal-muscle mitochondrial function, hypertension, cerebrovascular disease, and cognitive decline. He leads cardiovascular and endocrinology portions of the clinical medicine curriculum in Healthcare Sciences and Physician Assistant Studies.

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Biographical context: John Giacona is a physician associate, hypertension specialist, and clinical researcher studying cardiometabolic factors in blood-pressure regulation, cardiovascular health, and cognitive decline. He also teaches cardiovascular and endocrinology clinical medicine.

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Education record: The University of Texas at Austin (Bachelor of Science and Arts in Biology)

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Graduate education: UT Southwestern Medical Center (Doctor of Philosophy; year not stated in the retained profile)

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Graduate education: UT Southwestern Medical Center (Physician Assistant; the profile biography identifies a Master of Physician Assistant Studies)

   Through 2021

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Official headshot: Portrait

   <img src="https://profileplus.swmed.edu/facultydata/427351/images/john-giacona-800x800.jpg" class="card__image" itemprop="image" alt="John Giacona, Ph.D. " style="max-width:200px;" />

   Official profile: Official profile

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Research interests: Clinical lipidology

   Research Interest Clinical Lipidology Mitochondrial Function Neural Control of Blood Pressure Primary Aldosteronism Resistant Hypertension Skeletal Muscle Energetics

   Research interests: Mitochondrial function

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Research interests: Neural control of blood pressure

   Research Interest Clinical Lipidology Mitochondrial Function Neural Control of Blood Pressure Primary Aldosteronism Resistant Hypertension Skeletal Muscle Energetics

   Research interests: Primary aldosteronism

   Biography John Giacona, Ph.D., PA-C, is an Assistant Professor in the Department of Applied Clinical Research at UT Southwestern Medical Center, with a secondary appointment in the Department of Internal Medicine. He is a board-certified Physician Associate and certified Hypertension Specialist who practices in the Clinical Heart and Vascular Center as a member of the Hypertension Section in the Division of Cardiology. Dr. Giacona earned his Bachelor of Science and Arts in Biology from The University of Texas at Austin and completed both his Master of Physician Assistant Studies and Doctor of Philosophy degrees at UT Southwestern Medical Center. His research focuses on the role of nutrition, exercise, and cardiometabolic risk factors in blood pressure regulation, skeletal muscle mitochondrial function, and cardiovascular health. His work also examines the links among hypertension, metabolic dysfunction, cerebrovascular disease, and cognitive decline. He is funded by the North Texas Alzheimer’s Disease Research Center at UT Southwestern to investigate mechanisms connecting hypertension and metabolic dysfunction with cerebrovascular outcomes. In addition to his clinical and research activities, Dr. Giacona contributes to medical education through the Departments of Healthcare Sciences and Physician Assistant Studies, where he leads the cardiovascular and endocrinology clinical medicine curriculum sections. Dr. Giacona serves as President-Elect of the Academy of Physician Associates in Cardiology and Chair of its Preventive Cardiology Committee. He also serves as Director of Clinical Research for the Primary Aldosteronism Foundation. He is a member of several professional organizations, including the American Academy of Physician Associates, the American College of Cardiology, and the Texas Academy of Physician Assistants. In addition, he serves on the American Heart Association’s Hypertension Professional/Public Education & Publications Committee for the Council on Hypertension.

   Research interests: Resistant hypertension

   Research Interest Clinical Lipidology Mitochondrial Function Neural Control of Blood Pressure Primary Aldosteronism Resistant Hypertension Skeletal Muscle Energetics

   Research interests: Skeletal muscle energetics

   Research Interest Clinical Lipidology Mitochondrial Function Neural Control of Blood Pressure Primary Aldosteronism Resistant Hypertension Skeletal Muscle Energetics

   Resource: Hypertension Physiology Laboratory

   <a href="http://labs.utsouthwestern.edu/vongpatanasin-lab">Hypertension Physiology Laboratory</a>

   Resource: Clinical Profile

   <a href="https://utswmed.org/doctors/john-giacona/">Clinical Profile</a>

2. [2]

   UT Southwestern Division of Cardiology faculty directory

   1 source claim · Reviewed Sep 7, 2026

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   Professional role: Assistant Professor

   John Giacona, Ph.D. Assistant Professor School of Health Professions - Applied Clinical Science and Internal Medicine