Who We Are

Chief Medical Officer

Dr. Nielsen focuses on building a close partnership with each patient, providing continuous support and regular follow-ups to help them reach their best quality of life (healthspan) and extend their longevity (lifespan). He graduated with honors from Wake Forest University School of Medicine and completed his medical training at University of California San Diego, where he served as chief resident and faculty. Dr. Nielsen has received many honors throughout his career, including Physician of the Year at Sharp Memorial Hospital. His extensive background includes eleven years of military service, during which he completed two tours in Iraq as a CH-46 helicopter pilot with the Marines. He was honored with the prestigious Air Medal and Navy Commendation Medal for his role in combat operations and was recognized as Flight Surgeon of the Year. With 25 years of experience as a physician, Dr. Nielsen has authored numerous peer-reviewed articles, lectured at universities, and trained physicians in wellness, early disease detection, and holistic patient care. He is certified by the Academy of Preventive and Innovative Medicine and has completed a fellowship with The American Academy of Anti-Aging Medicine. At LPI, he leads a multi-disciplinary team dedicated to optimizing health and improving performance. His approach combines cutting-edge research in longevity medicine, supplementation, pharmacology, exercise physiology, comprehensive blood testing, and advanced diagnostic radiology.

Chief Executive Officer

David Bricken is an innovative healthcare leader with over 20 years of experience in driving growth and transformation in the medical device industry. After attending the University of Florida and the University of South Florida, he earned a Bachelor of Science in Finance. His educational background provided the foundation for his entrepreneurial success and strategic business acumen. Throughout his career, David has demonstrated a unique ability to bring new ideas to the market, identify and capitalize on growth opportunities, and build high-performance teams. With a background in business strategy and a deep understanding of market dynamics, he has a proven ability to develop and execute successful plans that drive growth and improve operational efficiency. David has founded and built two highly successful MedTech companies, including TENS Rx, which achieved exponential growth and became a leader in electrotherapy for pain control, and a second company focused on pneumatic compression therapy for lymphedema and deep vein thrombosis. His ability to develop streamlined operational systems and processes has driven the success and growth of these ventures, cementing his reputation as an innovative healthcare entrepreneur. In his current role as CEO of the Longevity and Performance Institute, David is dedicated to revolutionizing human health and wellness by developing and delivering cutting-edge solutions that meet the ever-evolving needs of the anti-aging and longevity marketplace. His commitment to integrating advanced medical technologies and personalized care ensures that LPI provides tailored solutions to optimize health, enhance performance, and extend longevity.

Registered Nurse

Caroline Kerr, RN, BSN, is a seasoned healthcare professional with over 17 years of dedicated experience in nursing, case management, and healthcare operations. A graduate of the University of North Carolina Wilmington, Caroline’s career began at Roper Hospital in Charleston, where she established herself as a compassionate and skilled nurse, committed to providing exceptional patient care. Her journey took her to San Diego, where she gained diverse clinical insights working as a travel nurse at prominent institutions, including the VA, Sharp, Kaiser, and Palomar hospitals. These varied experiences enriched her clinical perspective and equipped her with the adaptability to deliver high-quality, patient-centered care across a range of healthcare environments. Caroline’s extensive background in hands-on nursing is matched by her strategic acumen in case management, where she excels in creating systems that advocate for patient needs and ensure streamlined, effective care pathways. At LPI, she is celebrated not only for her clinical expertise, but also for her dedication to empowering clients in their health journeys. Caroline’s approach aligns seamlessly with LPI’s mission, as she works to build supportive, individualized care systems that enhance longevity and optimize health outcomes. Her passion and expertise make her an invaluable advocate for safe, compassionate, and impactful healthcare solutions.

Neurosurgeon

Dr. Sanjay Ghosh is a board-certified neurosurgeon with over two decades of experience specializing in spinal surgery, cranial trauma, and skull base surgery. Widely recognized for his innovative approach and dedication to patient care, he has earned a reputation as one of San Diego’s top neurosurgeons and serves as the Director of Neurosurgery at the SENTA Clinic. Dr. Ghosh graduated with honors from the University of Michigan, earning a degree in Cellular and Molecular Biology, and completed his medical degree at the same institution. He pursued advanced training in neurosurgery at USC, where he completed his residency and fellowship programs in skull base surgery and complex spinal instrumentation. These rigorous training programs equipped him to manage the most challenging neurological conditions with precision and expertise. Throughout his career, Dr. Ghosh has held prominent leadership roles, including Vice Chairman of Surgery at Scripps Mercy Hospital and Chief of Neurosurgery at the same institution. His exceptional contributions have earned him numerous accolades, including multiple appearances on Castle Connolly’s “Top Doctors” list and recognition as one of San Diego’s Top Neurosurgeons by San Diego Magazine. In addition to his clinical practice, Dr. Ghosh is a prolific contributor to the field of neurosurgery. He has published extensively in peer-reviewed journals, delivered lectures at national conferences, and served as a consultant for the University of San Diego Athletic Department. His work has been instrumental in advancing minimally invasive surgical techniques, helping improve outcomes and recovery times for patients. With a career defined by excellence in patient care and innovation, Dr. Ghosh continues to set the standard in modern neurosurgery while inspiring confidence and trust in his patients.

Neuro-Kinesiologist

Dan Melita is a leading Neuro-Kinesiologist with advanced graduate degrees in biomechanical rehabilitation and functional neurology. He is the creator of The Melita Method, a specialized joint-by-joint diagnostic system designed to identify and address musculoskeletal and neurological imbalances. Combining cutting-edge techniques such as Active Release Technique (ART), Fascial Distortion Model (FDM), shockwave therapy, and other advanced manual and assisted therapies, Dan delivers comprehensive, results-driven treatment to restore balance and optimize performance.

Gastroenterologist

Dr. Sajiv Chandradas is a dedicated gastroenterologist who has been in private practice since 2017 in San Diego, with offices located in the Hillcrest area. He earned his medical degree from the prestigious Mount Sinai School of Medicine and completed his internal medicine residency at the Los Angeles County USC Medical Center. Further specializing in gastroenterology and hepatology, he pursued a fellowship at the renowned Scripps Clinic. With a focus on colon cancer screening, GERD, eosinophilic esophagitis, inflammatory bowel disease, and overall gut health and nutrition, Dr. Chandradas provides comprehensive care tailored to each patient’s needs. His commitment to advanced medical treatments combined with personalized care ensures his patients achieve improved digestive health and overall well-being.

Neurosurgeon

Dr. Scott Leary is a board-certified neurosurgeon and fellowship-trained specialist in complex spine surgery. With expertise in minimally invasive spine surgery, artificial disc replacement, and regenerative medicine, Dr. Leary is dedicated to providing innovative, patient-centered care for spinal disorders, including spinal stenosis, degenerative disc disease, scoliosis, and spinal trauma. Dr. Leary earned his medical degree from Washington University in St. Louis, where his graduating class was ranked #1 in the United States. He completed his neurosurgery residency and a fellowship in Stereotactic Radiosurgery at the Los Angeles County-USC Medical Center. Further refining his skills, Dr. Leary pursued a second fellowship in complex spine surgery under renowned orthopedic surgeon Dr. John Regan, where he gained expertise in advanced spinal reconstructive techniques and minimally invasive approaches. Throughout his career, Dr. Leary has been recognized as one of America’s Top Surgeons and has been featured in San Diego Magazine and Castle Connolly’s “Top Doctors” list for Neurological Surgery multiple times. He has also been a pioneer in regenerative medicine, introducing stem cell therapy for the treatment of degenerative spinal and joint conditions. Dr. Leary’s dedication to advancing neurosurgery through cutting-edge innovation and compassionate care has made him a trusted expert in his field. He is committed to helping his patients achieve improved mobility, reduced pain, and a higher quality of life through personalized, state-of-the-art treatment.

Interventional Cardiologist

Dr. Kevin Rapeport is a board-certified interventional cardiologist with over 45 years of experience specializing in acute myocardial infarction, complex coronary artery disease, peripheral vascular disease, and structural heart disease. Known for his expertise in advanced cardiovascular care, Dr. Rapeport is affiliated with multiple prominent hospitals in San Diego, including Sharp Grossmont Hospital and Scripps La Jolla Hospitals. Dr. Rapeport earned his medical degree from the University of the Witwatersrand in 1980 and completed his internship and residency in Internal Medicine at Long Island Jewish Hospital. He further advanced his training with fellowships in Cardiovascular Disease at Lenox Hill Hospital and the San Francisco Heart Institute, where he honed his expertise in interventional cardiology and complex cardiac care. Certified by the American Board of Internal Medicine in both Internal Medicine and Cardiovascular Disease, as well as the subspecialty of Interventional Cardiology, Dr. Rapeport is recognized for his dedication to improving patient outcomes through cutting-edge treatments and personalized care. Throughout his career, Dr. Rapeport has remained committed to advancing cardiovascular health, providing exceptional care for patients with some of the most challenging heart and vascular conditions.

Registered Dietitian Nutritionist | Integrative Functional Nutrition Certified Practitioner

Katie Di Lauro is a dedicated Registered Dietitian Nutritionist and Integrative Functional Nutrition Certified Practitioner with over 20 years of experience in the field of nutrition and wellness. Her diverse background encompasses roles in school nutrition education, corporate wellness, and serving as the Director of Nutrition Education and Intervention at Premier Fitness Camp, an all-inclusive health, wellness, and weight loss retreat at Omni Resorts in Carlsbad, CA. In this capacity, Katie has guided thousands of guests on their health journeys, empowering them to achieve lasting wellness. Early in her career, Katie embraced integrative functional nutrition, focusing on identifying and addressing the root causes of persistent symptoms such as fatigue, brain fog, inflammation, and weight loss resistance. By combining evidence-based nutrition with lifestyle modifications, she emphasizes the interconnectedness of the body's systems, utilizing food as medicine to promote healing, prevent disease, and optimize overall health. Through her private practice, Empowered Nourishment, Katie offers personalized nutrition strategies designed to enhance energy levels, reduce inflammation, support sustainable weight management, improve digestive health, and promote heart health for graceful aging. Her approach is centered on empowering clients with credible nutrition knowledge, enabling them to make informed decisions without the constraints of rigid rules and restrictions. In addition to her clinical work, Katie is active in the broader nutrition community. She shares her expertise through various platforms, including social media and educational videos, aiming to provide accessible and practical nutrition advice to a wider audience.

Family Nurse Practitioner | Aesthetic Medicine Specialist

Megan Ucich is a board-certified Family Nurse Practitioner with over 14 years of experience in both medical and aesthetic dermatology. She is the owner of Radiance Wellness, one of San Diego’s premier medical aesthetics practices, where she specializes in advanced injectables, skin health solutions, and regenerative treatments designed to deliver refined, natural, and long-lasting results. Her medical career began in pediatric critical care at world-renowned institutions, including Johns Hopkins and Boston Children’s Hospital. In 2017, she transitioned into aesthetic medicine, drawn to the blend of science and artistry involved in facial rejuvenation. With dual Bachelor's degrees in Exercise Physiology and Nursing, as well as a Master’s in Nursing, Megan brings a comprehensive understanding of health, aging, and skin biology to her practice. In addition to her clinical expertise, Megan is a national trainer for Allergan Aesthetics, where she educates top providers on best practices in injectables. Her approach to aesthetics is centered on graceful aging, celebrating individuality, and enhancing natural beauty with meticulous attention to detail. Rather than simply addressing the visible signs of aging, she focuses on its underlying causes - such as volume loss, collagen depletion, and skin quality - to achieve balanced and natural-looking results. Megan’s commitment to innovation and excellence in aesthetic medicine has established her as a trusted expert in the field. Her patient-focused philosophy ensures that each individual receives personalized care, expert education, and the highest standard of treatment.

Licensed Marriage and Family Therapist

David Peters is a licensed marriage and family therapist with over 35 years of experience providing psychotherapy and consultation. Holding a master’s degree in clinical psychology, he has worked in inpatient psychiatric care, treating mental illness, psychological trauma, and substance abuse. In his private practice, he serves the mental health needs of individuals, couples, and families, utilizing an integrated and evidence-based approach to care. David examines the biological, psychological, and social components of mental health, developing collaborative treatment plans to support clients in maximizing their well-being. His approach incorporates cognitive behavioral therapy, mindfulness meditation, full-spectrum light therapy, cardiovascular exercise, and psychoeducation. He also stays at the forefront of emerging research on nutrition and the microbiome, recognizing their critical role in mental health. Committed to a multidisciplinary approach, David works closely with other healthcare professionals to ensure seamless, high-quality care. Where pharmaceutical support may be beneficial, he helps clients navigate their options with prescribing physicians, balancing risks and benefits for optimal outcomes. A strong advocate for preventive mental health care, he emphasizes proactive strategies to support long-term emotional and cognitive well-being. David has been a guest commentator on KPBS radio and television, offering expert insights on mental health issues, societal crises, and family dynamics. His work is dedicated to helping clients cultivate resilience, enhance relationships, and achieve meaningful personal growth.