Elsa Unenge is a certified functional breathing coach and Oxygen Advantage instructor based in Los Angeles, California. She is the founder of Breath Curriculum, an online education platform offering breathwork courses and professional certifications in functional breathing.

Elsa specializes in the science of functional breathing, including CO2 tolerance training, nasal breathing, diaphragmatic breathing, and nervous system regulation.

She has worked with athletes, executives, and corporate teams at organizations including Red Bull's Athlete Performance Center, PwC, and SoundCloud. She has served as a breathwork specialist for apps including Othership, Open, and Sleep Cycle. Her work has been featured on the Today Show, and she holds a Bachelor's degree in Behavioral Science from Lund University, Sweden.