| Who runs it | Ryan McBurney and Shelby Von Oepen, RN, teach every cohort together | Oxygen Advantage, founded by Patrick McKeownHe lists training with Dr. Buteyko. |
| Format | Live training, in person or on online group calls | Self-paced onlineThe Advanced level adds 7 live online classes. |
| In person in the US | Yes. Phoenix area, plus seven more US cities in 2027. | With McKeown: Ireland and Spain onlyUS events are listed with OA instructors, from $1,095. |
| Duration | 3 days in person, or 12 weeks online | Level 1: 55 hoursAdvanced: 100 hours plus live sessions. |
| Price | $1,497Online.$1,997In person, 2027 early bird, then $2,497. | Level 1: €449Advanced: €995. In person with McKeown: €1,250. |
| Focus | Conscious connected Breathwork and surrender, with the functional basics | Functional breathing for health, performance and sport |