We are delighted to invite you to the International Occupational Hygiene Association (IOHA) Conference to be held during October 2020 in Daegu, South Korea. Under the theme of “Bridging Gaps in OH Development, Opening New Horizons,” IOHA 2020 will provide a wide range of interactive symposiums and case studies exploring aspects of industrial hygiene issues that are newly emerging in developing and developed countries. IOHA 2020 also promises to be an exciting event that features inspiring plenary sessions and addresses the latest occupational health topics. The conference will bring together researchers, regulators, and other experts from the around world to discuss both traditional and modern global occupational hygiene topics affecting different regions.