Please note that the conference hall IS NOT in the campus of Tokyo Metropolitan University, although it is in the walking distance. Find the Limousine bus service to Shinjuku. The cost is 3,000 yen, and the journey takes 90 minutes. The cost is 3,110-3,310 yen, and the journey takes 90 minutes. Do not fail to get off at the Shinjuku station.
Shinjuku station is a maze.
Most of the directional instructions are shown in English, but you may need to ask someone to find the Keio Shinjuku station. Do not take trains for directions other than Hashimoto. The journey to Keio Tama Center is about 30 min. With the express train, Keio Tama Center is the 3rd stop. The hotel is a 1 minute walk from the south gate of the station at the right side of the promenade.