Dr. Roberta Vasconcelos-Berg, MD, PhD: Director of Aesthetic, Reparative and Laser Dermatology at Universitätsspital Basel, based at Margarethenklinik. She has 12 years of experience with injectables and since 2019 leads the Aesthetic Dermatology team at the Universitätsspital Basel. As a pioneer in Switzerland in the use of ultrasound in injectables, she has incorporated the use of technology into her daily practice and currently performs all filler procedures with the support of the ultrasound.

Dr. Rosa Sigrist is a Radiologist, focusing on dermatological ultrasound. She currently works at the largest hospital in Latin America, Hospital das Clinicas de Sao Paulo and also at her private clinic, Ultrassonando. Dr. Sigrist participates in international dermatological ultrasound research groups and teaches courses in Brazil, the United States and Europe focused on injectable ultrasound.