A distinguished professional career, while working for prestigious organizations & institutions like World Health Organization (WHO), AIIMS, Safdarjung Hospital (Dept. Of Plastic & Maxillofacial Surgery), Directorate General Of Health Services, Ministry Of Health & Family Welfare, Govt. Of India in past, currently he is Chief Consultant at Royal Ivory Dental & Tobacco Cessation Clinic, where along with team of specialists & dental surgeons, he "Designs Healthy Smiles". Dr. Kumar also has the rare privilege & honor of serving as the National Consultant for World Health Organization (WHO) which is the specialized agency of United Nations (UN), concerned with international public health. A Fellow of International College Of Dentists (ICD), Academy General Education & Nobel Biocare Implant, he is also Life Member of Indian Society for Dental Research (ISDR) & Indian Dental Association (IDA). Dr. Kumar is invited guest speaker on various international & national forums. He conducts capacity building workshops on improving the quality of dental practice & tobacco cessation approaches for fellow colleagues. Dr. Kumar Rajan has valuable experience in practicing general & speciality dentistry. He is actively engaged in promotion, prevention & treatment of oral & dental diseases. Having designed the complete treatment plan for more than 12000 patients so far & he is instrumental in instilling a culture of good oral hygiene practices in families visiting him, over the years. Soft spoken & caring, he handles his esteemed patients with utmost dedication, understanding, while listening to their expectations. His first consultation for a new patient usually lasts for 30 minutes in which he explains the problem and possible solution(s) as per the understanding of patient & attendants, based on evidences.