Lee Lehman has developed the innovative add-on to Sirius and Kepler: Who Wins? This program captures the rules of Bonatti for warfare for use in researching the outcome of sporting events.

Lee has a Ph.D. in Botany from Rutgers University. She is author of The Ultimate Asteroid Book (1988), Essential Dignities (1989), The Book of Rulerships (1992), Classical Astrology for Modern Living (1996), The Martial Art of Horary Astrology (2002), and a translation from the French of Papus' Astrology for Initiates.

Lee also has correspondence courses on Classical Studies (horary, natal, electional, medical, gaming, mundane and advanced horary) which brings classical astrology to the forefront as an astrological system. She also originated the Learning with Lee computerized cd series, which gives the astrologer the opportunity to see classical astrology in action, through an innovative combination of audio and visual presentation.

Lee was the recipient of the 1995 Marc Edmund Jones Award, the first horary astrologer so honored. She is the recipient of the 2008 UAC Regulus Award for Education. She served the astrological community as Research Director for NCGR from 1987-1999, as UAC Board Treasurer from 1990 -1999, and as UAC Program Chair for UACs 1995 and 1998. Lee teaches astrology at Kepler College, Avalon School of Astrology, and privately.