Alexa Nichols Costa is a board-certified nurse practitioner and the CEO of LexRx, a leading esthetic injectables practice with multiple locations across Massachusetts. With a background in emergency medicine, plastic surgery, and esthetic injectables, Alexa has redefined industry standards through expert training and natural results. She co-founded Inject with Lex, a premier training platform, and pioneered the first university-backed esthetic injectables programs at Boston College and Columbia University. A sought-after speaker and educator, Alexa is dedicated to elevating esthetic medicine through education, mentorship, and innovation, shaping the next generation of skilled injectors.