Meet the speakers
The New Zealand Society of Cosmetic Medicine sincerely thanks all speakers for their valuable contribution to NZSCM 2026. Your expertise and willingness to share knowledge help make this conference an outstanding educational experience for our attendees.
Speakers are listed alphabetically by surname.
Our MC
SACHA COBURN
The Company you keep
Sacha Coburn is the C.O.O of her own family business Coffee Culture, a group of boutique coffee shops with 300 staff in 20 locations. She has lived every inch of the cost of living crisis with her team of owners and has had to embrace change and challenge on a daily basis. Sacha walks her talk every day leading her team with humanity and humour. A former lawyer with a first class honours Masters Degree in Education, Sacha is uniquely qualified to talk about what’s ahead.
Sacha is a Prime Minister’s Business Scholarship winner and has recently graduated from the prestigious OPM program at Harvard Business School.
Sacha runs a leadership development programme through their side hustle ‘The Company You Keep’ working with both emerging and C-suite leaders to deliver whole hearted high performance. Her podcast ‘The Not So Breakfast Show’ explores professional and personal development and is available wherever you get your pod.
In her spare time, Sacha chairs the board of Foster Construction, the Waikato’s largest commercial construction company, and is also on the board of Tieke Golf Estate.
DR LEANNE ASHLEY
Ashley Aesthetics
Dr Leanne Ashley is a Wellington-based GP and cosmetic medicine specialist with a rich background as a British Army Officer. After serving in Bosnia, Kosovo, and New Zealand, she transitioned to medicine, earning her degree from the University of Otago and becoming a Fellow of the Royal New Zealand College of General Practitioners. She founded Ashley Aesthetics and is a certified member and trainer for the New Zealand Society of Cosmetic Medicine, as well as a Key Opinion Leader for Merz Aesthetics. Passionate about skincare, she also holds a Certificate of Advanced Dermoscopy and is a member of the International Peeling Society.
DR MARY DINGLEY
The Cosmetic Medicine Centre
MB, BS. (Qld), FACCSM(Med), FCPCA. Diploma of Laser Medicine Cosmetic and Dermatological (ACCS)
Dr Mary Dingley has been a cosmetic medicine practitioner since 1987. She received her Bachelor of Medicine, Bachelor of Surgery degree from the University of Queensland in 1984. Since then she has pioneered the use of proven new techniques and developed training programmes for other doctors interested in using these systems appropriately, while always maintaining a commitment to deliver a high standard of care for her patients. Dr Dingley is a Life Member, and prior Board member, of the Cosmetic Physicians College of Australasia. She was the President of the pre-existing Cosmetic Physicians Society of Australasia in 2007 and 2008. She is also a Fellow of the Australasian College of Cosmetic Surgery and Medicine and was the Dean of its Faculty of Medicine for seven years. Dr Dingley is an adviser to government bodies and a medical defence organisation on issues such as laser and energy-based devices, training and cosmetic medicine. Dr Dingley is frequently invited to speak and demonstrate at conferences both in Australia and internationally, developing a reputation as an enthusiastic, entertaining and effective communicator and teacher as well as a highly reputable practitioner.
Dr Mary Dingley has been a cosmetic medicine practitioner since 1987. She received her Bachelor of Medicine, Bachelor of Surgery degree from the University of Queensland in 1984. Since then she has pioneered the use of proven new techniques and developed training programmes for other doctors interested in using these systems appropriately, while always maintaining a commitment to deliver a high standard of care for her patients. Dr Dingley is a Life Member, and prior Board member, of the Cosmetic Physicians College of Australasia. She was the President of the pre-existing Cosmetic Physicians Society of Australasia in 2007 and 2008. She is also a Fellow of the Australasian College of Cosmetic Surgery and Medicine and was the Dean of its Faculty of Medicine for seven years. Dr Dingley is an adviser to government bodies and a medical defence organisation on issues such as laser and energy-based devices, training and cosmetic medicine. Dr Dingley is frequently invited to speak and demonstrate at conferences both in Australia and internationally, developing a reputation as an enthusiastic, entertaining and effective communicator and teacher as well as a highly reputable practitioner.
DR STEVEN HARRIS
Harris Clinic
Dr Steven Harris, MBBCh, MSc is an aesthetic medical practitioner and researcher with over 20 years’ experience. He coined the term “Alienisation” to describe progressive anatomical and perceptual change associated with repeated aesthetic interventions, with a clinical focus on complications, anatomical distortion, and patient safety. He is internationally recognised for his work in ultrasound-guided aesthetic medicine, has authored multiple peer-reviewed publications on filler behaviour and injection safety, and is an international educator and developer of the Nonsurgical Lip Tubercle (NLT) technique.
DR kristy kostalas
Port Medical Aesthetics Clinic
B.Med.Sci. MBBS (Hons) FRACGP MMed DCH Master of Reproductive Medicine | Master of Forensic Medicine
Dr Kristy Kostalas is a Fellow of the Royal Australian College of General Practitioners with over 17 years of medical expertise and founder of Port Medical Aesthetics Clinic (PMAC). A nationally recognized trainer and lecturer in regenerative aesthetics and advanced toxin indications, Dr Kostalas educates medical professionals across Australia in cutting-edge aesthetic techniques. Her expertise in hormonal changes and aesthetic interventions for peri- and post-menopausal women has made her a sought-after speaker in the field. With Master's degrees in both Reproductive Medicine and Forensic Medicine, Dr Kostalas brings exceptional insight into human physiology and aging processes. Her comprehensive academic background enables her to deliver evidence-based education while advancing the standards of aesthetic medicine and shaping the next generation of practitioners.
Dr Kristy Kostalas is a Fellow of the Royal Australian College of General Practitioners with over 17 years of medical expertise and founder of Port Medical Aesthetics Clinic (PMAC). A nationally recognized trainer and lecturer in regenerative aesthetics and advanced toxin indications, Dr Kostalas educates medical professionals across Australia in cutting-edge aesthetic techniques. Her expertise in hormonal changes and aesthetic interventions for peri- and post-menopausal women has made her a sought-after speaker in the field. With Master's degrees in both Reproductive Medicine and Forensic Medicine, Dr Kostalas brings exceptional insight into human physiology and aging processes. Her comprehensive academic background enables her to deliver evidence-based education while advancing the standards of aesthetic medicine and shaping the next generation of practitioners.
DR MARKO MANCE
Sunekos
Dr Marko Mance, univ.mag., Phd is a globally celebrated plastic and aesthetic surgeon renowned for his expertise in aesthetic treatments, regenerative and longevity medicine. His academic credentials include a master’s thesis on body surface area changes in burn patients and a PhD dissertation on the correlation between invasive ductal carcinoma and breast thermography, reflecting his deep scientific foundation. Since 2022, he has served as a scientific collaborator at the University of Zagreb, with over 20 published papers in indexed journals.
As the CMO and Senior Plastic and Aesthetic Surgeon at SKIN HEALTH LAB in Zagreb, Croatia, Dr Mance has specialized in aesthetic surgery and regenerative medicine since 2014, delivering exceptional results through cutting-edge techniques. He is also the Founder and CEO of CORE6, a premium longevity protocol designed for high-level individuals and professional athletes, translating the latest science in regenerative and longevity medicine into structured, results-driven programs for peak performers. Beyond his clinical practice, Dr Mance is a globally recognized Trainer and Key Opinion Leader for SUNEKOS and other aesthetic products, leading numerous global educational sessions, workshops, and lectures internationally. With his extensive experience, rigorous scientific approach, and passion for advancing aesthetic medicine, Dr Mance is a trusted leader in the field using science-driven care that enhances natural beauty!
DR MARCUS MORAIS
Dr Marcus Morais is a Brazilian dermatologist with extensive expertise in aesthetic dermatology. After completing his medical degree and specialist training in Brazil, he became an International Master Trainer for Galderma in 2011, delivering education and injection training throughout Latin America and internationally. He co-developed the MAP (Managing Aesthetic Patients) concept and has authored multiple peer-reviewed publications on facial rejuvenation and injectable treatments. Dr Morais is a sought-after international speaker, presenting at major dermatology and aesthetic medicine conferences across Europe, Latin America, Australia, Asia, and South Africa, and continues to contribute to global education and innovation in aesthetic medicine.
DR AJ Seine
DermLab
Dr Seine pursued his dermatology training in New Zealand before finalizing it in Brisbane, Australia, with a particular emphasis on the dermatological and cosmetic applications of lasers. In 2021, he successfully completed a dermatology laser fellowship, further enhancing his expertise in this field. As of 2021, he holds memberships in both the Royal Australasian College of Physicians and the New Zealand Dermatology Society.
Dr Seine has also undergone comprehensive training as a Mohs micrographic surgeon under the guidance of renowned practitioners, Drs Salmon and Mortimer, who are internationally acclaimed for their expertise in Mohs micrographic surgery and cutaneous oncology. With a specific interest in skin cancer and reconstructive procedures, Dr Seine actively contributes to medical dermatology clinics at Rotorua Hospital, demonstrating his dedication to delivering public dermatology services throughout New Zealand.