Kagyu-Dzong was created in 2010.

No. The Dalai Lama is the head of the Tibetan Government in Exile. He is not even the head of any of the 4 schools of Tibetan Buddhism (Sakya, Gelug, Nyingma, and Kagyu). In fact, the 14th Dalai Lama's political role in Buddhism has cause many problems within Buddhism. He has caused huge divisions in both the Kagyu and Gelug traditions. Search 'Dorje Shugden Controversy' and 'Karmapa Controversy' on Google or click on the related links below to learn more about problems in Tibetan Buddhism created by the 14th Dalai Lama.

Steven Seagal is known to practice Buddhism. He has studied Zen Buddhism and has been involved with Tibetan Buddhism as well. He has also been recognized as a Tulku, a reincarnated Lama, by the head lama of the Karma Kagyu lineage.

The Karmapa is the spiritual leader of the Kagyu Lineage of Tibetan Buddhism. The present Karmapa, Ogyen Trinley Dorje, is the 17th reincarnation in an unbroken succession dating back over 800 years. He was born in 1985 in eastern Tibet to a family of nomads. Karmapa literally means "embodiment of the activity of all buddhas." The Karmapa's purpose is to preserve and transmit the spiritual legacy of the Buddhist teachings, and to manifest wakefulness and unconditional compassion in a direct, accessible way.