Reveal your most radiant self with the refined aesthetic care you deserve. At Holländer Clinic in Santa Monica, we treat visible signs of aging, volume loss, acne, skin texture concerns, and thinning hair—always with your natural beauty and long-term wellness at heart.
Our Mission
Our premier, patient-centric aesthetic practice was founded on the belief that aesthetic wellness isn’t about transformation—it’s about honoring what makes you uniquely you. We offer a full spectrum of evidence-based aesthetic treatments, including injectables, skin rejuvenation, laser therapies, and hair restoration that help you feel like your best self. You’re not just a patient—you’re a partner in a journey toward effortless elegance and long-term aesthetic wellness.
Dr. Karyn Grossman
Medical Director
Dr. Karyn Grossman is an internationally acclaimed, board-certified dermatologist and cosmetic surgeon known for her refined aesthetic sensibility and long-standing leadership in anti-aging innovation. A Harvard-trained physician, Dr. Grossman has spent nearly three decades shaping the field of cosmetic dermatology, developing gold-standard technologies, treatments, and skincare products that continue to define best practices in aesthetic medicine.
As the founder of Grossman Dermatology in Santa Monica, Beverly Hills, and New York City, she has built a global reputation for delivering natural-looking results and an unparalleled level of personalized care. Her loyal patients, who include leaders in entertainment and fashion, trust her deeply private, patient-first approach to holistic aesthetic wellness.
Dr. Grossman is revered for her thoughtful consultations. She partners with patients at every stage of their aesthetic journey to explain how aging affects the skin and body, offering nuanced options and ensuring results that feel elevated yet authentic. Her philosophy is rooted in the belief that aesthetic treatments should enhance one’s unique features rather than alter them.
Dr. Grossman’s mission is clear: to help individuals look better, feel empowered, and age on their own terms, with results that are both transformative and timeless.
Marie Trimarchi
Chief Operating Officer | Licensed Aesthetician | Certified Aesthetic Consultant
Marie Trimarchi serves as Chief Operating Officer of Holländer Clinic, where she brings nearly two decades of expertise in aesthetic medicine, clinical operations, and patient experience design. A licensed aesthetician and Certified Aesthetic Consultant, Marie blends deep knowledge of medical skincare with executive-level operational leadership.
Director of Aesthetic Strategy & Patient Experience
In her role at Holländer Clinic, Marie is responsible for strategic practice growth, compliance oversight, protocol implementation, and team development. She collaborates closely with medical and aesthetic providers to ensure all treatments are supported by rigorous clinical standards and seamless operational execution. From EMR optimization and workflow efficiency to patient education systems and outcome tracking, Marie brings structure and foresight to every layer of the business.
Her leadership philosophy is rooted in the belief that beauty and wellness are inseparable—and that the most effective aesthetic care addresses the physical, emotional, and psychological aspects of each patient’s journey. She fosters a practice culture where clinical excellence, empathy, and transparency are non-negotiable. Marie is known for building high-performing teams, optimizing patient pathways, and driving data-informed decisions that elevate outcomes and satisfaction. Under her guidance, Holländer Clinic operates with discipline, clarity, and a shared commitment to treating the whole person—not just the skin.
“Exceptional leaders stand up for their people. They treat you with dignity and respect… They inspire and motivate people to believe in something beyond their own limiting thinking.”
—Marie Trimarchi
Our Values
We lead with integrity, transparency, and purpose in everything we do. Our care is rooted in respect for your unique anatomy, goals, and lifestyle. We never overcorrect, overpromise, or push treatments you don’t need. Instead, we provide honest, ethical guidance in a welcoming, luxurious setting. Our core values—clinical excellence, patient empowerment, and natural, timeless beauty—guide every decision, every conversation, and every result.
Our Philosophy
At Holländer Clinic, our philosophy is simple: beauty should feel like you—elevated. We approach every treatment with ethical, evidence-based precision and a deep respect for your individuality. Rather than chase dramatic change, we focus on creating natural, refined results that enhance your unique features without overcorrection. From the first conversation to long-term follow-up, we ensure your results are sophisticated, timeless, and authentically you.
Embrace Timeless Beauty
Holländer Clinic invites you to experience aesthetic care that’s refined, ethical, and completely centered on your needs and goals. We don’t believe in chasing trends—only in enhancing what already makes you beautiful through time-tested, evidence-based science. Let us honor your individual beauty with a personalized aesthetic journey. Schedule your private consultation at our Santa Monica clinic and embrace the timeless beauty that’s uniquely yours.
