Singapore, Jan. 19 -- Lim Yao Xiang, 37 Gym co-founder

Height: 1.70m Weight: 77kg

Exercise regimen: I try to do a 90-minute daily workout. Some days I do HIIT, and play team sports like water polo or basketball.

Diet: I try to avoid too much fast food and fried food. I do not really watch my diet but eat everything in moderation. Olivia Wong, 30 Dietician

Height: 1.60m Weight: 52kg

Exercise regimen: I try to exercise about four times a week, which includes 45-minute HIIT workouts about three times a week, and a 30-minute cardio workout at the gym once a week.

Diet: I don't count calories or follow a particular diet. I don't restrict myself from eating any particular food and eat whatever I want - I definitely don't restrict carb...