Here's an updated list. A quick breakdown first: Eight of the 11 returning East teams have the same sideline supervisor as they did entering the 2013-14 season. In the West, six of 10 teams do.
2013-14 (opening day HC)/2014-15 bench boss
EASTERN CONFERENCE
Akita Northern Happinets - Kazuo Nakamura/Makoto Hasegawa
Aomori Wat's - Koju Munakata/same
Iwate Big Bulls - Dai Oketani/same
Fukushima Firebonds* - Hiroki Fujita
Gunma Crane Thunders - Ryan Blackwell/Charlie Parker
Niigata Albirex BB - Fujitaka Hiraoka/same
Saitama Broncos - Taketoshi Ishibashi/Kazuaki Shimoji
Sendai 89ers - Shuto Kawachi/same
Shinshu Brave Warriors - Ryuji Kawai/same
Tokyo Cinq Reves - Motofumi Aoki/same
Toyama Grouses - Bob Nash/same
Yokohama B-Corsairs - Michael Katsuhisa/same
WESTERN CONFERENCE
Bambitious Nara - Koto Toyama/Ryutara Onodera
Hamamatsu Higashimikawa Phoenix - Tomoya Higashino/same
Kyoto Hannaryz - Honoo Hamaguchi/same
Oita HeatDevils - Yukinori Suzuki/same
Osaka Evessa - Shunsuke Todo/same
Rizing Fukuoka - Mack Tuck/James Duncan
Ryukyu Golden Kings - Tsutomu Isa/same
Shiga Lakestars - Chris Boettcher/Koto Toyama
Takamatsu Five Arrows - Kenzo Maeda/same
Shimane Susanoo Magic - Vlasios Vlaikidis/Reggie Hanson
Note: Duncan and Hanson were midseason replacements with their respective teams last seasons.
*2014-15 expansion team