The Asia-Pacific Microwave Conference (APMC) is the largest microwave event of its kind in the Asia-Pacific Region. It provides a broad forum for participants from both academia and industries to exchange information, share research results, and discuss collaborations in the fields of not only microwave but also millimeter wave and even to the far infrared and optical waves. APMC 2018, the 30th conference, will be held at Kyoto International Conference Center (ICC Kyoto) in Kyoto, Japan, from November 6 - 9, 2018. Commemorating its 30th anniversary, APMC 2018 Steering Committee plans to hold special events and is privileged to welcome all the colleagues around the world in this special occasion.