Nicolaas Hamman/Lead developers by era

1984/5

Sega R&D

Designers

• Yoji Ishii - Teddy Boy Blues, Fantasy Zone
• Minoru Kanari - Hang-On, Space Harrier, Enduro Racer
• Makoto Oshitani - Ninja Princess, Major League, War Ball
• Hiroshi Aso - Heavy Metal
• Takazumi Tomoike - Quartet

Programmers

• Shuichi Katagi - Teddy Boy Blues, Fantasy Zone
• Rikiya Nakagawa - Choplifter, Ninja Princess
• Yu Suzuki - Hang-On, Space Harrier
• Yuji Naka
• Katsumi Tojo - Enduro Racer
• Kenichi Iwanaga - Quartet

Artists

• KBY - Fantasy Zone
• Yukio Sato? - Enduro Racer

1986/7

Sega R&D 1

Designers

• Minoru Kanari - Super Hang-On
• Makoto Oshitani - Dunk Shot
• Hisao Oguchi - World Bingo, Heavyweight Champ (System 16), World Derby (medal game)
• Hiroshi Aso - Alien Syndrome, Thunder Blade
• Takazumi Tomoike - SDI: Strategic Defense Initiative, Galaxy Force
• Kenji Mizumoto - Action Fighter, Super Hang-On
• Hirotsugu Kobayashi? - Alex Kidd: The Lost Stars
• Yutaka Sugano - Shinobi
• Makoto Uchida - Altered Beast
• Unknown - Bullet, Super League (System 16) (Makoto Oshitani?), Sonic Boom, Ace Attacker

Programmers

• Shuichi Katagi - Time Scanner, Hot-Rod
• Rikiya Nakagawa - Alien Syndrome, Thunder Blade
• Katsumi Tojo - SDI: Strategic Defense Initiative, Galaxy Force
• Kenichi Hokari - Alex Kidd: The Lost Stars, Shinobi, Altered Beast
• Akira Ohe - Super Hang-On, Sonic Boom
• Mr. Minalyn - Heavyweight Champ (System 16)
• Unknown - Action Fighter (DAI?), Dunk Shot (ITO?), Bullet, Super League (System 16), Time Scanner (Tomosuke Tsuda?), Ace Attacker

Artists

• Yukio Sato? - Super Hang-On
• Kou Tanaka - Alex Kidd: The Lost Stars, Heavyweight Champ (System 16)
• Saitama Kenji - SDI: Strategic Defense Initiative
• Masayuki Hasegawa? - Shinobi, Altered Beast
• Kunitake Aoki - Sonic Boom
• Masaki Kondoh - Galaxy Force
• Unknown - Action Fighter (SNO?), Dunk Shot, Bullet (Motoshige Hokoyama?), Super League (System 16), Ace Attacker

Sega R&D 2

Designers Programmers

• Yuji Naka

Artists

Sega R&D 4

• MI.U.I.Hachi - SDI: Strategic Defense Initiative
• Pachislo Yuki - Heavyweight Champ (System 16)

Studio 128

Designers Programmers

• Yu Suzuki - After Burner, Power Drift

Artists

• Unknown - After Burner, Power Drift

1988/9

Sega R&D 1

Designers

• Makoto Oshitani - Gain Ground
• Hisao Oguchi - Super Monaco GP
• Hiroshi Aso - Wrestle War
• Makoto Uchida - Golden Axe, Alien Storm
• Yutaka Sugano - Crack Down, Michael Jackson's Moonwalker (System 18)
• Motoshige Hokoyama - Scramble Spirits, Shadow Dancer
• Junichi Tsuchiya - Super Masters
• Hisaki Nimiya - Cyber Police ESWAT, Columns
• Hideki Saito - Bonanza Bros.
• Unknown - Excite League, Last Survivor, Wrestle War, Rough Racer,

Programmers

• Shuichi Katagi - Crack Down
• Rikiya Nakagawa - Last Survivor, Line of Fire
• Katsumi Tojo - Super Monaco GP
• Kenichi Hokari - Golden Axe
• Akira Ohe - Cyber Police ESWAT, Bonanza Bros.
• Yoshiki Ooka - Shadow Dancer
• Ryuji Ochi - Michael Jackson's Moonwalker (System 18)
• Unknown - Excite League, Super Masters (HID?), Alien Storm, Rough Racer

Artists

• Tomosuke Tsuda - Rough Racer
• Kou Tanaka - Cyber Police ESWAT
• Masayuki Hasegawa? - Crack Down
• Masaki Kondoh - Super Monaco GP
• Doydoy - Golden Axe
• Manabu Kusunoki - Bonanza Bros.
• Taku Makino - Michael Jackson's Moonwalker (System 18)
• Unknown - Excite League, Last Survivor, Wrestle War, Super Masters (Yukio Sato?), Shadow Dancer, Alien Storm, Rad Mobile

Sega R&D 2

Designers Programmers

• Kazuo Wakihara - Columns

Artists

Sega R&D 6

Designers Programmers Artists

Sega R&D 8

Designers

• Hiroshi Hamagaki - Sword of Vermilion

Programmers

• Yu Suzuki - G-LOC: Air Battle
• Satoshi Mifune - Dynamite Dux, Turbo OutRun
• Tomoharu Kimura - Sword of Vermilion

Artists

• Kiyo - Dynamite Dux, Sword of Vermilion
• Mr.Jee - Turbo OutRun
• Unknown - G-LOC: Air Battle

1990/1

Sega R&D 1 (AM1)

Designers

• Hirotsugu Kobayashi? - Clutch Hitter
• Unknown - Laser Ghost (System 18)

Programmers

• Rikiya Nakagawa - Laser Ghost (System 18)
• Makihito Yokota - Quiz Rouka ni Tattenasai!
• Hiromasa Kaneko? - Clutch Hitter

Artists

• Atsushi Shimamura - Laser Ghost (System 18), Quiz Rouka ni Tattenasai!
• Yoshiaki Aoki - Columns II: The Voyage Through Time
• Kyoshi Ieizumi - Clutch Hitter

Sega R&D 8 (AM2)

Designers Programmers

• Yu Suzuki - Virtua Racing
• Satoshi Mifune - F1 Exhaust Note
• Yasushi Nakajima - Arabian Fight?, Burning Rival
• Keiji Okayasu - Rent A Hero

Artists

• Dekochan - Rent A Hero

Sega R&D 1 (AM3)

Designers

• Hisaki Nimiya - Columns II: The Voyage Through Time, D. D. Crew

Programmers

• Kenichi Hokari - Rail Chase

Artists

• Manabu Kusunoki - Rail Chase

Sega R&D 9 (CS1)

Designers Programmers Artists

Sega R&D 2 (CS2)

Designers Programmers

• Kazuo Wakihara - Columns II: The Voyage Through Time

Artists

Sega R&D 6 (CS2)

Designers Programmers Artists

1992/3

Sega AM1

Designers Programmers Artists

Sega AM2

Designers Programmers Artists

Sega AM3

Designers

• Tomosuke Tsuda - SegaSWonic the Hedgehog

Programmers

• Hideshi Kawatake - SegaSWonic the Hedgehog

Artists

• Manabu Kusunoki - SegaSWonic the Hedgehog

Sega CS1

Designers Programmers Artists

Sega CS2

Designers Programmers Artists

Sega CS3

Designers Programmers Artists

1994/5

Sega AM1

Designers Programmers Artists

• Atsushi Shimamura - Sky Target

Sega AM2

Designers Programmers Artists

Sega AM3

Designers Programmers Artists

Sega CS1

Designers Programmers Artists

Sega CS2

Designers Programmers Artists

Sega CS3

Designers Programmers Artists

Sega CS4

Designers Programmers Artists

Sega CS5

Designers Programmers Artists

1996/7

Sega AM1

Designers Programmers 'Artists

Sega AM2

Designers Programmers 'Artists

Sega AM3

Designers

• Hisaki Nimiya - Dirt Devils

Programmers 'Artists

• Tetsu Okano - Dirt Devils

Sega AM Annex

Designers Programmers 'Artists

Sega CS1

Designers Programmers 'Artists

Sega CS2

Designers Programmers 'Artists

Sega CS3

Designers Programmers 'Artists