Meet Our Team
Dr. Sajeve Thomas, the Medical Director at 4Ever Young Anti-Aging Solutions, brings over two decades of advanced clinical expertise and a deeply compassionate approach to patient care. A graduate of the prestigious University of Florida College of Medicine, Dr. Thomas built his career at the intersection of complex medical decision-making and individualized treatment — skills that translate seamlessly into his role overseeing the innovative wellness programs at 4Ever Young.
Board certified in internal medicine by the American Board of Internal Medicine, Dr. Thomas has spent 21 years practicing in Central Florida, where he has earned a reputation for guiding patients through sophisticated treatment plans with precision, clarity, and genuine care. His extensive background in internal medicine provides a uniquely thorough understanding of the body’s interconnected systems — a perspective that strengthens every protocol offered at our practice.
At 4Ever Young, Dr. Thomas oversees a comprehensive suite of treatments designed to help patients look and feel their best, including bio-identical hormone optimization, growth hormone peptides, NAD+ IV therapy, nutritional supplementation, medical weight loss therapy, and aesthetic treatments. His deep knowledge of how the body functions at a cellular level allows him to ensure that each treatment plan is not only effective but also safe, evidence-based, and tailored to the individual.
Dr. Thomas is a firm believer in the power of preventative and proactive medicine. He understands that true wellness goes beyond treating symptoms — it requires addressing root causes, optimizing the body’s natural processes, and empowering patients with the knowledge and tools to take control of their health. This philosophy aligns perfectly with the 4Ever Young mission to promote vitality at every stage of life.
Known for his thoughtful, patient-first approach and meticulous clinical oversight, Dr. Thomas works closely with our team of providers and wellness specialists to deliver care that is both science-driven and personally meaningful. Whether you’re beginning your wellness journey or looking to elevate your current routine, Dr. Thomas and the entire 4Ever Young team are here to help you feel confident, energized, and empowered.
Katarina Kronawitter is a board-certified Advanced Practice Registered Nurse whose passion for both aesthetics and functional wellness sets her apart as a truly comprehensive provider. At 4Ever Young Lake Nona, she offers patients a rare combination of clinical depth and an intuitive eye for beauty — guiding each individual toward results that feel as good as they look.
Katarina’s aesthetic expertise spans the full spectrum of injectable treatments, including neuromodulators, dermal fillers, and regenerative biostimulators such as Sculptra, PRP, and Exosomes. She approaches every treatment with a thorough understanding of facial anatomy, balancing precision technique with an artist’s sensibility to deliver outcomes that are refined, natural, and uniquely suited to each patient’s features. She also performs medical-grade microneedling to address texture, tone, and skin quality from the inside out.
Her practice extends well beyond aesthetics. Katarina is deeply committed to optimizing her patients’ overall health and vitality through evidence-based wellness protocols, including hormone replacement therapy, peptide therapy, NAD+ optimization, customized vitamin IV infusions, and medically supervised weight loss programs. She believes that lasting beauty begins with a body that is balanced, nourished, and thriving — and she works closely with every patient to build a personalized care plan that addresses both their aesthetic goals and their long-term wellbeing.
Whether you are seeking subtle rejuvenation, comprehensive hormone optimization, or a fully integrated wellness strategy, Katarina brings the knowledge, skill, and genuine care to help you look and feel your very best.
Lana Lane is a licensed facial specialist and medical aesthetician with more than a decade of dedicated experience in advanced skin care. Known for her warm, consultative approach and exceptional attention to detail, Lana brings both the technical expertise and the personal touch that make every patient feel cared for and confident in their treatment journey.
With extensive training in medical-grade aesthetic treatments, Lana customizes every service to the unique needs, concerns, and goals of each individual she sees. Her deep knowledge of skin physiology, combined with hands-on experience across a wide range of advanced modalities, allows her to craft thoughtful, results-driven treatment plans for patients at every stage of their skin health journey — whether they are addressing acne, pigmentation, aging, or simply maintaining a healthy, luminous complexion.
Lana sees patients at both the 4Ever Young Lake Ivanhoe and Lake Nona locations, bringing the same high standard of personalized care to each clinic. She is passionate about education and takes the time to ensure every patient understands their skin and the treatments that will serve them best. Her philosophy is simple: healthy, radiant skin is achievable for everyone — it just takes the right plan, the right products, and a provider who truly listens.
