Upon his career as a teacher, Prof. Dumbledore taught Transfiguration from 1945 - 1956. He was Head of Gryffindor House from 1942 - 1958.

Prof. Minerva McGonagall: May 1956 - June 2005 (Transfiguration)

Prof. McGonagall replaced Prof. Dumbledore as Transfiguration Professor when she came to teach in 1956. Two years later, (in 1958) Prof. Dumbledore promoted Prof. McGonagall as Head of Gryffindor House. She was also appointed the Deputy Headmistess from 1958 - 2004. After the death of Prof. Dumbledore, Prof. McGonagall was promoted to Headmistress, also keeping her Head of House status for another year.

Prof. Rubeus Hagrid: September 1993 - June 2005

Prof. Hagrid, much better known as "Hagrid" to all Hogwarts inhabitants, began his first year as a student in 1940. In 1943, Hagrid was expelled after being framed by Tom Riddle when the Chamber of Secrets was opened. As a disciplinary tactic, Hagrid's wand was broken, but Prof. Dumbledore did not banish Hagrid from Hogwarts. Instead, he was given the position of Keeper of Keys & Grounds, which is a position he's held from 1943 - 2005. In 1993, Hagrid replaced Prof. Grubbly-Plank, who wished to spend the rest of his days with his remaining limbs.

Prof. Lee Jordan: June 1998 - June 2005

Lee Jordan returned to Hogwarts in 1998, to teach Potions. During Holiday breaks, he often took to going help at Weasley Wizard Weezes.

Prof. Ritchie Coote: June 1998 - June 2005

Although not very bright in most subjects earlier in his career as a student, he became very good with charms and hexes. Prof. Coote returned to teach Charms from 1998 - 2005.

Prof. Alicia Spinnet: September 1998 - June 2005

Prof. Spinnet excelled in her Muggle Studies classes as a student. She remained at Hogwarts, to teach Muggle Studies from 1998 - 2005.
Prof. Katie Bell: September 1998 - June 2005
Prof. Geoffrey Hooper: September 1998 - June 2005
Prof. Dean Thomas: September 1998 - June 2005
Prof. Lavender Brown: September 1998 - June 2005

Prof. Neville Longbottom: September 1999 - June 2005

Prof. Longbottom returned to Hogwarts after graduation, to teach Herbology from 1999- 2005.
Prof. Andrew Kirke: August 2001 - June 2005
Prof. Dennis Creevey: August 2001 - June 2005
Prof. Euan Abercrombie: August 2002 - June 2005

2005 Summer Term
Prof. Felix Felicius: HoH - July 26, 2005

2005 Fall Term
Prof. Lily Ravenbeak: Deputy Headmistress, HoH - August 2005
Prof. Chauncey Clemenceau: August 2005
Prof. Ginny Tonks: HOH - Sept. 1, 2005 (Muggle Studies)

September 25, 2005: Hogwarts moves from Proboards to InvisionsFree and changes its name from Hogwarts to Hogwarts Online October - November 2005
Prof. Ginny Tonks: HoH - October 2005 - June 2006

2006 Spring Term
Prof. Ginny Tonks: HoH - October 2005 - June 2006

2006 Summer Term
Prof. Ginny Tonks: HoH - October 2005 - June 2006
Prof. Chauncey Clemenceau HoH - (Interim): July 2006
Prof. Connor McCoy: HoH - August 2006 - September 2006
Prof. Molly Sinistra DHoH
Prof. Deana Debrouchee

2006 Fall Term
Prof. Connor McCoy: HoH - August 2006- September 2006
Prof. Deana Debrouchee: HoH - September 2006 - December 2006
Prof. Molly Sinistra DHoH
Prof. Fleurette d'Sane
Prof. Robert Wood
Prof. Lainey Baumont
Prof. Ax Greenly
Prof. Sha'uri Sylvestari

2006 Winter Term
Prof. Ann-Louise Omagan: HoH - January 2007 - Deputy Headmistress
Prof. Ginny Tonks Deputy Headmistress/DHoH
Prof. Blaze Nemico
Prof. Blodwyn Sevenwaters
Prof. Fleurette d'Sane
Prof. Margret Doyle
Prof. Natalie Valencia
Prof. Regina Cosma

2007 Spring Term
Prof. Belatrix Wright: HoH - January 2007 - December 2007
Prof. Molly Sinistra - DHoH
Prof. Blodwyn Sevenwaters
Prof. Deana Debrouchee
Prof. Fleurette d'Sane
Prof. Margret Doyle
Prof. Matt DeVought
Prof. Natalie Valencia
Prof. Regina Cosma

2007 Summer Term
Prof. Belatrix Wright: HoH - January 2007 - December 2007
Prof. Michael Valencia DHoH
Prof. Norman Lux

2007 Fall Term
Prof. Belatrix Wright: HoH - January 2007 - December 2007
Prof. Michael Valencia DHoH
Prof. Chauncey Clemenceau
Prof. Katie Perkins
Prof. Lori Ashland
Prof. Norman Lux

2007 Winger Term
Prof. Michael Valencia: HoH - December 2007-June 2008
Prof. Aidan Fulke DHoH
Prof. Derek Taylor
Prof. Ian Connolly
Prof. Thomas Binns
Prof. Venus Winchester
Prof. Katie Omagan-Valencia
Prof. Wendy la Roxxe

2008 Spring Term
Prof. Michael Valencia: HoH - December 2007 - June 2008

2008 Summer Term
Prof. Felicity Lash: HoH - June 2008 - December 2009

2008 Fall Term
Prof. Felicity Lash: HoH - June 2008 - December 2009
Prof. Brooke Welsh