Someone who:

• has a BMI greater than 40 with no comorbidities (weight-related health problems)
• has a BMI between 35-39.9 with 1 or 2 comorbidities such as type 2 diabetes, sleep apnea, osteoarthritis, cellulitis, hypertension or hyperlipidemia
• has been unsuccessful at previous conservative weight loss measures
• has a high level of motivation with a willingness to change lifestyle
• is between 18 and 65 years of age
• is willing to agree to long-term follow-up