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.
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.
Our Team
Jennifer Hollander, MSN, FNP-C
Co-Founder | Board-Certified Nurse Practitioner
Jennifer Hollander, MSN, FNP-C, is the co-founder of Holländer Clinic and a board-certified Family Nurse Practitioner with over a decade of experience in cosmetic dermatology. A San Francisco native, she earned her Bachelor of Science in Nursing from the University of San Francisco and her Master of Science in Nursing from Azusa Pacific University. She is certified by the American Academy of Nurse Practitioners (AANP).
With expertise spanning injectables, laser therapies, radio-frequency treatments, and regenerative skincare, Jennifer has become a trusted leader in addressing a wide range of skin concerns, including acne, rosacea, surgical and acne scars, melasma, and hyperpigmentation. She is particularly recognized for her advanced skill in caring for ethnic and diverse skin types, delivering natural, refined results that respect every patient’s individuality.
As a returning faculty lecturer and speaker at national aesthetic conferences, Jennifer is dedicated to advancing the field through education and mentorship. She trains practitioners in the latest evidence-based techniques, sharing her commitment to safe, ethical, and patient-centered care. Her philosophy is rooted in subtle, purposeful enhancements that maintain skin health, restore balance, and elevate natural beauty without overcorrection.
Jennifer believes every patient deserves a personalized, concierge-level experience, where treatments are thoughtfully tailored to their unique anatomy, goals, and long-term wellness. Beyond the clinic, she connects with her community through Instagram (@jenn.hollander), where she shares expertise in skincare, treatment innovations, and holistic beauty.
Dr. Diana Nguyen Pham
Integrative & Holistic Aesthetic Specialist
Dr. Diana Nguyen Pham brings nearly 25 years of experience in aesthetic medicine, functional health, and integrative wellness to her role as Medical Director at Holländer Clinic. Her work has long focused on advancing approaches that look beyond surface-level aesthetics, fostering vitality and balance across physical, emotional, and deeper dimensions of well-being.
Her background spans advanced aesthetic treatments, regenerative modalities, and energy-based technologies, paired with integrative practices that reinforce recovery and long-term health. Recognized nationally as both a speaker and thought leader, and featured in leading publications, she is known for blending evidence-based medicine with a total-person philosophy that resonates with Holländer Clinic’s mission.
In addition to her medical training, Dr. Nguyen holds certifications in Kundalini, Reiki and yoga, perspectives that enrich her understanding of body mechanics, resilience, and balance. This synthesis of disciplines allows her to honor both Western and Eastern traditions while maintaining a standard of care rooted in safety, precision, and innovation.
At Holländer Clinic, Dr. Nguyen provides guidance that ensures our practice upholds the highest standards of integrity and excellence, supporting our mission to deliver natural, timeless results that celebrate individuality and long-term well-being.
Marie Trimarchi
Licensed Aesthetician | Certified Aesthetic Consultant
Marie Trimarchi 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.
In her role as the Director of Aesthetic Strategy & Patient Experience 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 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.
Marie’s vision and foresight allow our practice to deliver not only sophisticated results, but also a refined, concierge-level experience that treats the whole person, and not just the skin.
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.
