Is this a crazy schedule for 2 days of skiiing, 3 days of meetings (Syd, Mel, Bne), and 2 days of sightseeing in Korea?

It is in business class

Day 1 DFW-ICN12:35pm-5:00pm next day
Day 2 ICN-AKL 9:15pm-11:30am next day
Day 3 AKL-ZQN arrive Queenstown at around 4pm
Day 4 SKI
Day 5 SKI
Day 6 ZQN-SYD 4:10pm-5:20pm
Day 7 SYD-MEL 1:30pm-3:00pm
Day 8 MEL-BNE 12:05pm-2:10pm
Day 9 BNE-ICN 8:35am-5:35pm
Day 10 Korea
Day 11 Korea
Day 12 ICN-DFW 11:30am-10:15am