meet the team

Experienced professionals you can trust.
Dr. Chester Sokolowski, CISSN
Founder and CEO
Katie Andaur
Chief Marketing Officer
Dr. Crystal Jacovino, FACE
Endocrinologist
Hillary Maloney, PA-C
PA-C
Dr. Jason Finkelstein
Medical Director
Betson Zachariah
Director of Clinical Services
Dr. Chester Sokolowski, CISSN
Founder and CEO
FOUNDER`S STORY
Dr. Sokolowski is a forward-thinking health expert who bridges the gap between cutting-edge research and real-world results. By translating data from PubMed and clinical studies into practical, sustainable strategies, he helps clients achieve meaningful, lasting improvements in their health and performance. Known as “Dr. Soko” on social media, he doesn’t just teach these principles—he lives them. His approaches are rooted in achieving a strong, confident physique, enhancing performance, and elevating overall well-being. Dr. Soko leads a highly experienced medical team with over 100 years of combined expertise in hormone, peptide, GLP-1, nutrition, and lifestyle therapy. Together, they take a comprehensive, results-driven approach to help clients look better, feel stronger, and perform at their peak—while prioritizing long-term health. Under his leadership, Thrive has helped thousands of individuals reclaim their energy, restore vitality, and dramatically improve their quality of life.
FOUNDER`S STORY
Katie Andaur
Chief Marketing Officer
Katie Andaur wears three hats at THRIVE—as Chief Marketing Officer (CMO), Chief Operations Officer (COO), and as an integral member of the nutrition team as a Certified Nutrition Coach (CNC) and Certified Personal Trainer (CPT). Her extensive expertise in digital health marketing, clinical oversight, and clinical nutrition allows Thrive to authentically connect with patients seeking hormone optimization, weight loss solutions, and lifestyle transformation.
Dr. Crystal Jacovino, FACE
Endocrinologist
Dr. Crystal Jacovino is a dual board-certified endocrinologist and internist specializing in sexual health, menopause care, healthy aging, and cardiometabolic optimization. Her approach is rooted in evidence-based medicine, with a focus on restoring hormonal balance, improving metabolic function, and preventing long-term disease. She works closely with patients to address concerns such as perimenopause and menopausal symptoms, androgen deficiency, weight management, insulin resistance, and cardiovascular risk. By combining lifestyle interventions with targeted pharmacologic and hormone-based therapies, Dr. Jacovino delivers comprehensive, results-driven care.
Hillary Maloney, PA-C
PA-C
Hillary Maloney is a licensed Physician Assistant specializing in hormone, peptide, GLP-1, and lifestyle therapies. With extensive clinical experience in both men’s and women’s health—including testosterone therapy, comprehensive women’s health across the lifespan, and GLP-1–based fat loss—she delivers personalized, patient-centered care. Hillary is known for her thoughtful, results-driven approach, helping patients restore balance, improve energy, and achieve sustainable transformations in their health and performance. In her spare time, she enjoys spending time with her family as a new mom, doing CrossFit, and cooking.
Dr. Jason Finkelstein
Medical Director
As Medical Director of Thrive Telehealth, Dr. Jason Finkelstein leads clinical strategy and oversees patient care standards across the platform. Board-certified and highly experienced in hormone optimization therapy, peptide-based treatments, and GLP-1 strategic inventions, he ensures every protocol is safe, effective, and grounded in evidence-based medicine. Dr. Finkelstein’s leadership guarantees that every Thrive patient receives high-quality, consistent care designed to enhance long-term and performance.
Betson Zachariah
Director of Clinical Services
Betson Zachariah serves as Thrive's Director of Clinical Services, overseeing the seamless coordination between patients, providers, and pharmacy partners nationwide. With a strong background in healthcare operations and clinical workflow optimization, he ensures an efficient, streamlined experience from initial consultation through ongoing care. His focus on operational excellence helps deliver a smooth, supportive patient journey—so clients can stay focused on achieving real, lasting results.

OUR PRINCIPLES

OPTIMIZE, DON'T NORMALIZE

Having blood work within the ‘normal’ reference range means you fall in line with the average American—typically overweight, sedentary, and often living with a chronic condition. At Thrive, we raise the standard and aim for optimal ranges to unlock your potential—not settle for the norm.

PRACTICE WHAT WE PREACH

We embody the medicine and therapeutic approaches we offer at Thrive. We use our own products, live the lifestyle, and strive to get 1% better every day. We lead by example. Positivity and results are contagious—and our patients feel the difference!

THE THRIVE FAMILY

We treat our patients like family. Our dedicated team is always available 24/7 to ensure you always have the right support, products, and personalized solutions you need to live a healthier, more fulfilling life with confidence and ease.

READY TO ELEVATE YOUR STANDARD OF LIVING?

Join the Thrive Family for 24/7 access to your medical team, products delivered directly to your door, and expert guidance to help you maximize your quality of life.