Hajar Habibi is the lead clinical nurse specialist for the Adult Congenital Heart Disease (ACHD) service at Royal Brompton Hospital. With over two decades of experience, Hajar has consistently demonstrated a commitment to high-quality patient care, advancing the field through research, education, and numerous national and international publications. Her work addresses not only the physical aspects of congenital heart disease but also the emotional and psychological needs of patients and their families. Beyond her direct patient care, Hajar excels in educating and mentoring other healthcare professionals, playing a crucial role in shaping the next generation of CHD specialists. Renowned for her strong advocacy for CHD patients, she has been pivotal in raising awareness of the unique challenges they face. Her active involvement in patient support groups underscores her dedication to improving the lives of those affected by congenital heart disease. She is also part of the high-risk pregnancy care team, supporting women with congenital heart disease throughout their journey from young adulthood, providing advice on contraception and family planning, to pregnancy and post-pregnancy follow-up.