John E. Slaydon - is a video game designer. John E. Slaydon began his career in 2005 and has worked for companies such as Ubisoft Montreal, Red Storm and Ubisoft Entertainment. John E. Slaydon's first game was Tom Clancy's Rainbow Six: Lockdown which was released 15 years ago. Best Game John E. Slaydon contributed to was Tom Clancy's Rainbow Six: Lockdown. John E. Slaydon's latest work is Tom Clancy's Rainbow Six: Lockdown which was released 15 years ago.