The Seven Chohans
"El Morya
He is the chohan of the first ray of the will of God. El Morya represents the godly attributes of courage, certainty, power, forthrightness, self-reliance, dependability, faith and initiative. blue ray
Lord Lanto
Lord Lanto is the chohan of the second ray—the yellow ray of illumination. He is concerned with the education of the heart and the illumination of the youth of the world.
Paul the Venetian
Paul the Venetian is the chohan of the third ray of divine love, the pink flame. He sponsors the ascended master culture for this age and works with all who desire to manifest that culture in the arts.
Serapis Bey
Serapis Bey, chohan of the fourth ray, teaches the path to the ascension. He assists his students in the self disciplines of the four lower bodies that are necessary for the ascension. white ray
Hilarion
Hilarion is the chohan of the fifth ray and a healing master on the green ray of health, precipitation and truth. He instructs us on the relationship between science and religion, both of which are aspects of the green ray of Truth.
Lady Master Nada
Lady Master Nada is the chohan of the sixth ray of ministration, service and peace. She is very much involved with the initiation and sponsorship of twin flames and the Aquarian age family. purple and gold
Saint Germain
Saint Germain, the chohan of the seventh ray of freedom, mercy, transmutation and ritual. He holds a very important position as the hierarch of the Aquarian age. He teaches seekers the science of divine alchemy and transmutation." violet flame
http://www.summitlighthouse.org/ascended-masters/
http://www.ascendedmasterindex.com/chohans.htm