Ehsan is a periodontist in private practice in Sydney and founder of the state-of-the-art Precision Periodontics in Chatswood. His practice is restricted to periodontics and implant dentistry. He is an Honorary Clinical Lecturer at Sydney University and is also involved in mentorship at LaTrobe University and Charles Sturt University. Ehsan is the recipient of the prestigious ITI grant for his postgraduate thesis focusing on the healing of hard and soft tissues around immediate implants.

He has published several articles in well-respected international journals and has been actively involved in presenting lectures, running CPD events, and teaching undergraduate and postgraduate students and overseas trained dentists. He is an active member of International Team for Implantology, Australian Dental Association, Australian Society of Periodontology, and Australian and New Zealand Academy of Periodontists.