René Ames, BSN, RN is an Aesthetic Lead and Lead Aesthetic Consultant at Cosmetic Skin & Laser Center in Petoskey. She brings a strong eye for detail and a leadership-driven approach to aesthetic care, helping patients feel confident in both their plan and their results. René is known for her clear communication and her ability to guide patients toward refined, natural outcomes.

René Ames, BSN, RN is an Aesthetic Lead and Lead Aesthetic Consultant at Cosmetic Skin & Lase... Read More

Sarah Banks, LA, MA is a Medical Aesthetician and Phlebotomist at Cosmetic Skin & Laser Center in Bloomfield Hills and Petoskey. She provides advanced skin treatments with a focus on consistency, comfort, and visible improvement. Sarah is known for her calm demeanor and her ability to make patients feel at ease throughout their visits.

Sarah Banks, LA, MA is a Medical Aesthetician and Phlebotomist at Cosmetic Skin & Laser Cente... Read More

Heather L. Bur, NP-C is a regenerative medicine provider and the BHRT and Weight Loss Lead at RegenCen in Petoskey. She provides personalized regenerative care including bioidentical hormone therapy and physician-guided medical weight loss, with a focus on helping patients feel stronger, more balanced, and confident in their health. Known for her clear guidance and supportive approach, Heather creates care plans that are both thoughtful and sustainable.

Heather L. Bur, NP-C is a regenerative medicine provider and the BHRT and Weight Loss Lead at Reg... Read More

Maurica Cox, NP-C is a regenerative medicine provider at RegenCen in Petoskey, offering personalized care focused on restoring balance, energy, and overall wellbeing. She takes a thoughtful, consult-first approach to regenerative care, helping patients feel supported as they navigate hormone health, metabolic concerns, and long-term wellness goals. Patients appreciate Maurica’s calm presence and her ability to create care plans that feel realistic, informed, and individualized.

Maurica Cox, NP-C is a regenerative medicine provider at RegenCen in Petoskey, offering personali... Read More

Jozlynne Cross, RN is an Aesthetic Lead at Cosmetic Skin & Laser Center in Petoskey. She brings a supportive, knowledgeable presence to every appointment and helps guide patients through aesthetic treatments with clarity and care. Jozlynne is appreciated for her approachable style and her focus on results that feel natural and confidence-building.

Jozlynne Cross, RN is an Aesthetic Lead at Cosmetic Skin & Laser Center in Petoskey. She brin... Read More

Anna Donaghy, NP-C is a hormone and regenerative medicine specialist and Lead Educator at RegenCen in Traverse City. She offers personalized regenerative care including bioidentical hormone therapy and metabolic support, while also playing a key role in clinical education and provider development. Patients appreciate Anna’s clear communication, steady guidance, and ability to translate complex health concerns into care plans that feel achievable and sustainable.

Anna Donaghy, NP-C is a hormone and regenerative medicine specialist and Lead Educator at RegenCe... Read More

Bryanna Lambert, LA, MA is a Medical Aesthetician at Cosmetic Skin & Laser Center in Petoskey and Harbor Springs. She offers personalized skin treatments designed to support clarity, texture, and long-term skin confidence. Bryanna is known for her warm, supportive approach and patient-focused care.

Bryanna Lambert, LA, MA is a Medical Aesthetician at Cosmetic Skin & Laser Center in Petoskey... Read More

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Chief Medical Officer – RegenCen and Cosmetic Skin & Laser Center

Dr. Gustav Lo brings over 30 years of clinical experience and medical leadership to RegenCen and Cosmetic Skin & Laser Center (CSLC), where he serves as Chief Medical Officer. As co-founder of the practice alongside Courtney Lo, PA, Dr. Lo provides medical oversight and clinical direction across RegenCen’s regenerative and hormone health services.

Dr. Lo leads and mentors the provider team in bioidentical hormone therapy, menopause and testosterone treatment, PRF joint injections, NAD+ therapy, and regenerative medicine. His background in primary care—including decades as founder and operator of Northern Michigan MedCenter—shapes the thoughtful, evidence-based care that defines RegenCen’s approach to aging and wellness.

A passionate educator and advocate for women’s health, Dr. Lo regularly speaks on the benefits of hormone optimization, working to dispel outdated myths and empower women with safer, modern options. He remains closely involved in provider training and treatment development, ensuring clinical consistency and excellence at every RegenCen location.

Outside of medicine, Dr. Lo is a dedicated father of four, an avid reader, and a certified scuba diver with a lifelong passion for learning and exploration.

Chief Medical Officer – RegenCen and Cosmetic Skin & Laser Center Dr. Gustav Lo brings over ... Read More

Lee Middleton, BSN, RN is the Clinical Practice Development Director at Cosmetic Skin & Laser Center and RegenCen, supporting Palm Beach, Wellington, and Hobe Sound. She works closely with clinical teams to enhance care delivery, training, and treatment standards across locations. Known for her calm leadership and clinical insight, Lee helps ensure patient care remains consistent, elevated, and thoughtfully executed.

Lee Middleton, BSN, RN is the Clinical Practice Development Director at Cosmetic Skin & Laser... Read More

Elizabeth Morse, LA, MA is a Medical Aesthetician at Cosmetic Skin & Laser Center in Petoskey, providing customized skin treatments that support healthy, balanced skin. Patients appreciate Elizabeth’s calm demeanor and her commitment to creating treatments that feel both effective and comfortable.

Elizabeth Morse, LA, MA is a Medical Aesthetician at Cosmetic Skin & Laser Center in Petoskey... Read More

Samiha Rahman, PA-C is a hormone and regenerative medicine specialist at RegenCen, serving patients in Palm Beach, Wellington, Hobe Sound, and Traverse City. She provides personalized care focused on hormone optimization, metabolic health, and long-term wellbeing. Known for her calm, attentive style, Samiha helps patients feel heard, supported, and confident in their care decisions.

Samiha Rahman, PA-C is a hormone and regenerative medicine specialist at RegenCen, serving patien... Read More

Amanda Rapanos, PA-C is the Chief Clinical Operations Officer for Cosmetic Skin & Laser Center and RegenCen, supporting clinics across multiple locations including Bluffton, Traverse City, Palm Beach, and Naples. She brings extensive clinical expertise and leadership oversight to ensure consistency, safety, and excellence in both aesthetic and regenerative care. Known for her clear guidance and high clinical standards, Amanda plays a key role in shaping patient care experiences across the organization.

Amanda Rapanos, PA-C is the Chief Clinical Operations Officer for Cosmetic Skin & Laser Cente... Read More

Sarah Schornak, MA is the Aesthetic Standards and Training Director at Cosmetic Skin & Laser Center in Petoskey. A Master Aesthetician with extensive experience in advanced skin rejuvenation, Sarah specializes in personalized facial treatments, Hydrafacial®, chemical peels, and non-invasive skin rejuvenation. She leads clinical education and treatment standards across CSLC, helping ensure every patient receives exceptional, consistent care. Known for her warm, approachable style and commitment to excellence, Sarah creates customized treatment plans that support healthy, radiant skin and lasting confidence.

Sarah Schornak, MA is the Aesthetic Standards and Training Director at Cosmetic Skin & Laser ... Read More

Ambyr Thompson, LPN, MA is the Regenerative and Weight Loss Lead at RegenCen in Petoskey and also supports aesthetic care as an experienced aesthetician. She works closely with patients through wellness and weight loss journeys, offering guidance, education, and consistent support. Ambyr is known for her approachable style and her ability to help patients feel comfortable, encouraged, and well cared for throughout their experience.

Ambyr Thompson, LPN, MA is the Regenerative and Weight Loss Lead at RegenCen in Petoskey and also... Read More

Jette Wichmann, RN is an Aesthetic Lead at Cosmetic Skin & Laser Center in Traverse City and Suttons Bay. She is known for her steady expertise and leadership-focused approach to aesthetic treatments. Patients value Jette’s calm confidence and her ability to create results that feel intentional, balanced, and beautifully natural.

Jette Wichmann, RN is an Aesthetic Lead at Cosmetic Skin & Laser Center in Traverse City and ... Read More