Al Roker underwent gastric bypass surgery 20 years ago at 340 lbs

'Today Show': Why Al Roker Kept His Gastric Bypass a Secret When He Returned to Work

Al Roker Shares Wisdom His Father Gave Him That Ultimately 'Led' to His Gastric Bypass Surgery in 2002 (Exclusive)

At 70, Al Roker Maintains Weight Loss With This Simple Trick

Al Roker checks in from his hospital bed before shoulder surgery

Al Roker Drops 40 Pounds, Lowers Cholesterol on Keto Diet

New Details About Al Roker's Keto Weight Loss — Including The Before and After Pics

Al Roker returns to Studio 1A after knee surgery

Al Roker screams & runs around Today's plaza for first time in nine months