A medical doctor by profession, Dr. Zakir Naik is renowned as a dynamic international orator on Islam and Comparative Religions. Dr. Zakir Naik clarifies Islamic viewpoints and clears misconceptions about Islam, using the Qur'an, authentic Hadith and other religious Scriptures as a basis, in conjunction with reason, logic and scientific facts. Dr. Zakir is popular for his critical analysis and convincing answers to challenging questions posed by audiences after his public talks. In the last 6 years (by the year 2002), Dr. Zakir Naik has delivered more than 600 public talks in the U.S.A., Canada, U.K., Saudi Arabia, U.A.E., Kuwait, Qatar, Bahrain, South Africa, Mauritius, Australia, Malaysia, Singapore, Hong Kong, Thailand, Guyana (South America) and many other countries, in addition to numerous public talks in India. He has successfully participated in several symposia and dialogues with prominent personalities of other faiths and appears regularly on many international T.V. Channels in more than 100 countries of the world. He is regularly invited for T.V. and Radio interviews. He has also authored numerous books on Islam and Comparative Religion.