
Together We Grow & Lead
A true community not just a network of experts, mentors, and friends who share knowledge, experiences, and success.
Learning, connecting, and celebrating milestones as one global family.Here, every story inspires another, every voice matters, and every achievement becomes a shared victory.
We come together across borders and backgrounds, driven by curiosity, collaboration, and a shared vision for growth.
Each interaction builds trust, each conversation sparks an idea, and each challenge becomes an opportunity to rise together.This is where leadership meets learning, where friendships grow into partnerships, and where growth becomes a journey we all share.
Together, we empower, uplift, and redefine what it means to lead not just with success, but with purpose, passion, and unity.
A community of leaders and mentors dedicated to sharing wisdom, building connections, and celebrating growth across the globe.
ISTAL Officers and Board
Leading with vision, experience, and passion for excellence in dermatology and aesthetics. Meet our dedicated team shaping the future of ISTAL

Dr Ioannis Peros
Dr. Ioannis Peros is a renowned Dermatologist and Dermatosurgeon based in Zurich and Athens, with over two decades of international experience. Trained across leading institutions in Germany, France, and the USA, he has specialized in dermatologic surgery, liposuction, and lipofilling.He is the Founder President and Secretary of the International Society of Tumescent Anaesthesia Liposuction (ISTAL), established in 2025 to promote advanced techniques in tumescent anaesthesia, liposuction, and fat grafting worldwide.Dr. Peros is the pioneer of ISTAL, advancing tumescent liposuction

Dr Loek Habbema
Dr. Louis (Loek) Habbema is a leading expert in Cosmetic Dermatology with over 30 years of experience. A pioneer in breast reduction using liposuction alone, he has played a key role in advancing safe and effective liposuction techniques. His expertise includes lipedema, tumescent anaesthesia, and liposuction safety. Having performed over 10,000 procedures and treated more than 2,500 lipedema patients, Dr. Habbema has also chaired the national guideline committees for liposuction & lipedema in the Netherlands.

Dr Martin Barsch
Dr. Martin Barsch, MBA, is a distinguished Dermatologist specializing in dermatologic surgery, laser medicine, aesthetic surgery, and liposuction. He is the Director of the Center for Lipedema in Linz, Austria, performing several hundred liposuctions annually under tumescent local anaesthesia. Trained in Vienna and Bristol, with further experience in Latin America and Asia, he gained extensive expertise in aesthetic and vein surgery before focusing on lipedema.He established and expanded the Center for Lipedema, treating patients from across Europe. He established the Center for Lipedema.

Birgit Buxmeyer
Dr. Birgit Buxmeyer is a highly experienced Dermatologist specializing in liposuction and aesthetic dermatologic surgery. With over 30 years of experience performing liposuction under tumescent local anaesthesia (TLA), she is recognized for her precision and dedication to achieving safe, natural results.
She trained in liposuction under Dr. Gerhard Sattler, founder of the renowned Rosenparkklinik in Germany, where she has practiced for over 26 years. Her vast experience and commitment to innovation have helped advance minimally invasive liposuction techniques.