Born in Kyoto in 1975. In 2003, as the 15th generation successor to the Mushakouji Senke School, one of the three Sen families, Sen succeeded to the name “So-oku,” a professional name signifying that he will be the next Grand Master. After completing a master’s course at Keio University Graduate School (History of Medieval Japanese Art), he worked in New York from 2008 to 2009 as a cultural ambassador designated by the Agency for Culture Affairs. Furthermore, since 2008, he has been taking part in international cultural exchange programs at Jishoji (Silver Pavilion). In an effort to study Japanese tea ceremony culture further and put it into practice, he has been active both on the domestic and international stages. In 2013, he was awarded the Kyoto Prefectural Cultural Encouragement Award. He is also the author of “Cha — Rikyu to ima wo tsunagu (Tea — Connecting Rikyu and the present)” published by Shinchosha, and “Moshimo Rikyu ga anata wo maneitara — Chanoyu ni manabu ‘gyakusetsu’ no motenashi (What if Rikyu invited you — Paradoxical hospitality you can learn from the Japanese tea ceremony)” published by Kadokawa. Knowledgeable not only about tea utensils but also antiques and modern art, he is a part-time lecturer at Meiji Gakuin University (History of Japanese art) as well.