Dr. Karim A. Touijer

Dr. Karim A. Touijer, MD, MPH, is a distinguished urologic oncologist and surgical innovator with a global reputation for advancing the care of patients with prostate and other genitourinary cancers. He serves as a senior member of the Urology Service at Memorial Sloan Kettering Cancer Center, where he also holds a faculty appointment at Weill Cornell Medical College. Dr. Touijer earned his medical degree from the University of Lille in France, followed by surgical residency training in New York and a fellowship in urologic oncology at Memorial Sloan Kettering. Board-certified in urology, he has dedicated his career to the precise, minimally invasive surgical management of complex genitourinary malignancies.

Dr. Touijer is widely recognized for his expertise in both robotic and open approaches to radical prostatectomy and nephrectomy, with particular focus on nerve-sparing techniques and preserving functional outcomes. He has led numerous clinical studies that have redefined surgical standards, contributed to large-scale outcomes research, and advanced understanding of cancer progression in high-risk prostate cancer. A prolific academic, Dr. Touijer has authored more than 200 peer-reviewed publications and has been instrumental in shaping contemporary surgical practices through his contributions to clinical guidelines and multidisciplinary treatment strategies.

Beyond his clinical and research impact, Dr. Touijer is a respected educator and mentor, having trained countless residents and fellows in advanced surgical oncology. He is an active member of leading professional organizations, including the American Urological Association and the Society of Urologic Oncology, where he contributes to education, leadership, and international collaboration. Through his unwavering commitment to surgical excellence, academic rigor, and compassionate patient care, Dr. Touijer continues to elevate the field of urologic oncology worldwide.