Genesys Health System | 2,402 followers on LinkedIn. Genesys Health System is now Ascension Genesys. Listening to you, caring for you.™ We are Ascension. | Genesys Health System is a member of Ascension. Ascension was created on November 1, 1999 from a union of the Daughters of Charity National Health System based in St. Louis, Missouri and the Sisters of St.