Leath was a founding board member for The Circle of Light Church, in Springfield, Ohio. She was later ordained there in 1997 and is licensed in the state as a minister. When she is not traveling, she still works with The Circle.

Being a published author, she has written The Go-Between: Bridging the Gap, and Meditation, Plain and Simple Workbook, and is a regular columnist for Dreamweaver Magazine and a Meditation Expert for SelfGrowth.com. Published written articles have appeared in: The Edge Magazine, Pattern Pieces Magazine, Passages Magazine, Threads (Sewing) Magazine, PersonalGrowthPlanet.com, OfSpirit.com and numerous articles in her own Spirituality e-Newsletter.

Interviews on radio and television include: stations in Chattanooga, Tennessee and Rapid City, South Dakota, regular guest on WCLL-TV, Columbus, Ohio, where she has been interviewed about spirituality, and given readings on-air, "Jill and Friends" of Wisdom Radio Network, concerning meditation and the Orange Blossom Center.

Rev. Leath is an Energy Healer and Teaching Reiki Practitioner, and teaches healing techniques, meditation and parapsychology at Clark State Community College in Springfield, Ohio. Melissa is also the Director of the Orange Blossom Center for Enrichment and is dedicated to teaching basic meditation, inner strength and personal peace within the family and world communities.

Melissa has studied emotional release and is a Color Light Therapist, having studied in Toronto, Canada, with Spectrahue. She incorporates a Color Light System in her sessions.

Melissa has been a continual student in spirituality and metaphysics. She has received a Bachelor's Degree in Metaphysical Sciences. Leath has lectured, given workshops and private reading/consultations internationally for the past 25 years. She has become a very much sought after presenter because of her ability to share information with an audience or group.

Melissa attended Mount Union College, in Alliance, Ohio, where she majored in music. That is where she became interested in radio broadcasting, and volunteered at WRMU radio station. In 1970, she graduated from International Broadcasting School, In Dayton, Ohio.